HOW TO REPLACE A FAN CLUTCH - THE EASY WAY | Trailblazer - Envoy
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- Опубліковано 8 жов 2019
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Hey folks! Welcome back to the channel. In this video, I'll show you how to replace a fan clutch without removing the fan shroud. This applies to GMC Envoys, Chevy Trailblazers and other models with the 4.2L motor.
Let me know in the comments below if this video was helpful to you. The equipment I used is listed below.
Fan Clutch I Used
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Fan Clutch Removal Tool
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Very good video Kevin. Got ? Keep going though iner an outer tie rods does the bottom control arm bushing have anything to do with truck going up an down exsesevly in front got to be that every thing else is good shape any suggestions b greatly appreciated. U have your own service manuals for vehicles are you talking about a cnilton
@@shrimp8004 thank you. The lower control arm is 2/3 of the alignment, with tie rods being the other 1/3, so you might be on to something there.
I have the GM Service manuals (3 volumes) for my truck, not the Chiltons. They have come in very handy.
@@KevinNadeau that's good to know didn't no that so that probably don't have nothing to do with the up an down I buy good shit but shocks were cheap one an give to me think I going buy good ones. Them manuals get em from the dealership an r Thay better than Chilton there good books but something ant in there
@@shrimp8004 I’ve actually never used Chiltons for my Envoy, but if the service manual doesn’t have something, I can likely find the answer in a forum or YT 👍
@@KevinNadeau subscribe to u now you'll be the go-to guy on y-t . You keep it simple great job dumbes like me need guys like u that no there shit thanks again ✌️🦐
Thanks for sharing, saved me a bunch of time when changing my fan clutch today.
Awesome, I'm glad the video helped👍
2005 Envoy 4.2 with 214k miles. I just did this and that nut on the fan clutch is a real bear! 😊 I used those same tools posted in this video, the rented water pump nut holder and the crescent wrench, NOTE I also had a nice breaker bar that I could slip over the crescent wrench. It took every bit of my 260# fat ass to break that bolt loose! I also have the v-cut on the shroud just under the radiator hose . Makes this so easy to not have to drain the coolant and to not ding those radiator fins. I also used a transfer pump to pump out the top part of coolant, makes it much less messy when you take off the hose- only took off the hose from the radiator and spun the other end out of the way . I was able to pull the whole shroud, fan blades and fan clutch out in one easy piece. You have to gently wiggle it out, making sure your pop out the transmission cooler lines. Made the removal of the old fan clutch so easy and easy to put the new one in with it all out and working on the bench. I also took the clip off of the electric connector just to the right of the radiator hose(dont know what its called) so not to hit it when loosening nut on fan clutch and it provides a bit more room when pulling out the shroud. I also bought the same fan clutch from Amazon, so far so good. On initial start up it was a bit loud on fan noise and pushing a lot of air as you showed in video but calms right. Thanks Kevin for posting , I wanted to share my experience, maybe help others in same boat. 😊
Thanks for sharing your experience 👍
Just did the job today after watching your video. Very helpful thanks.
I'm glad it helped 👍
I also cut a notch in the fan shroud to avoid draining the coolant. I agree with you though about the quality aspect in doing so but it's my own vehicle and am probably never going to sell it so I'm not concerned about it. Makes the job so.much easier
Well done, one of the best how to's i've seen
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Today i was my birtday. My wife and others got me presents. My wife asked which present you liked most.
I told her I removed my fan clutch after dealing 5 hours. Thats was my real present…
Happy Birthday!
Thanks for the video! Got the fan clutch out of my 04 Trailblazer 😁
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Thanks for sharing! Much quicker than most of the other videos.
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Thanks Kevin great help.
You're welcome!
Thank you for adding the extra clip. Mine sounds just like that.
trailblazer / Suburban no such thing as easy but, THANKS got me started thanks again my 4.2 overheating
Thanks bro... Your video helped me change my cooling fan in under an hour. I watched another video where the person didn't remove the fan shroud & I was like this is going to be impossible. After watching your video I knew I could do this because I'm handy but I'm no mechanic by trade.
Awesome, I'm glad it helped!👍
Very very thorough video well done , would have been a one stop video but i need the torque specs on the fan blade they say you can worp the spin over tight or lose for big mess under the hood to loose , my ocd wont let me just hand tighten bolts on my vehicles and sleep good at night lol but very well done learned alot TRQ took bottom radiator hose off and i still cant figure out why he did that....the Atlas I6 or Vortec4200 I6 275hp GM answer to finally put that 60-dg V6 they built in 1980 that was always cracking head gaskets to rest alot of ground breaking tec was made with the atlas engine that changed engines for ever and led the way to the twin turbo I6 that generated 500 hp more than the V8 they replaced now being replaced with inline 4 cylindars that are generating 250 to 275 hp depending on the vehicle its in and its only getting better. wish i could put a pic in here my trailblazer has 345k miles and runs like the day i bought it .
I used an impact driver with a point bit to snug the big nut back on. No issues.
Thanks for the video, im fixing to tackle my sisters fc tomorrow, im not trying to be there all day!! Lol
Best of luck👍
Life saver thank you bro
Yes sir!I👍
@@KevinNadeau hey bro my car is making a sound like a airplane and the code is p1481 it would have to be the fan clutch right?
@@antman9049 Yes it could be a bad fan clutch. But check the wiring and electrical connector first for any worn wires.
Thought I got a dud when I started mine back up and it sounded like a jet. That went away after I shut it off and restarted it. Glad it wasn't just me, thought I was going crazy because no other videos mentioned it being louder at first.
Wow nice bro
Thanks, I appreciate it👍
thanks. My problem I can't seem to loosen the bolt. used the tool and wrench. still can't get off the fan clutch. Turning counter-clockways. anyway, helpful thank you
love it
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Great video! Watched many before this and no one showed how to correctly get the fan clutch out. Great work
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just take the shroud out upper hose, then upper rad crossmember out, lean rad forward as to clear the neck on the rad and pull the fan and shroud together
That is easy. Nice, especially since these clutches have to be replaced like every year. LOL
Is it also a sign of fan clutch issues when it starts "clicking"? I have a 2003 that makes an annoying clicking sound from that area.
I've watched a few different videos about this, and yours seems like the quickest and dirtiest. I'm going to give it a try. I'm thinking about taping a thin sheet of hard plastic to the radiator, just to be safe.
That's a good idea to protect the radiator.
@@KevinNadeau I ended up pulling the out the shroud. But the plastic was a good play because I did bang on it pretty good. Took about 1:45 and I spent awhile looking for my dad's sockets. So great vid!
@@samjohnson9731 Glad it worked out for you.
I used some cardboard in between... Saved the radiator
I used some one inch pipe about 2 foot long on the handle of my adjustable wrench to crack mine loose.
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If your TB doesn't sound like an F16 at startup, the Fan Clutch is toast.... current fan clutch on my TB is 7yrs old and has started showing its age, it's a Hayden...
After attempting this you may want to heavily stress to DIY folks that you can put a hole in your radiator if the fan clutch hits the fragile aluminum frame...I did this and now need a radiator repair or replace!! To do over again I would take the shroud off first..
You make a very good point. I do mention to be careful when pulling the fan clutch out around 10:55. Probably could have emphasized that more. Sorry to hear about your radiator. Hope you get back on the road soon!
dam thats sucks,valuable information I need to change mine thank you
2005 trailblazer couldn't finagle it. I ended up pulling the top hose and lifting the shroud, fan, and clutch part way up. The shroud already had a chop out. Much easier and the clutch didn't bang against my radiator.
I'll be attempting this tomorrow. I may slip a piece of cardboard in front of the radiator to protect the fins.
This looks a lot easier than what I used to do as a tech going by the books but I was dreading the coolant mess.
Good luck with your repair. The cardboard idea is really smart!
How’d it go? I’m fixing to do the same thing today...3/14
I have an 08 Trailblazer LS - and surprise, it has a plain-Jane thermo-regulated fan clutch with no electrical connections. Not sure if mine is was a series of one-offs, but it caught me by surprise when I couldn’t find a PCM connector. Same principles, but no wires.
I’ve looked everywhere for the electrical connector for my 08’ Envoy. Same here. Every video and even Chiltons cites the model with the cord. Weird
“Show you what i bought” camera pans to huge pile in the garage 🤣
😂
Cool video, mine didn't had a connection to my fan clutch 🤷🏻♂️I use hayden
Thank you 👍
Is there any way you can do from under the truck
My fan speed is really high any suggestions on that?
Hello, I just replaced some pulleys in my 2002 Chevy 1500 5.3 and now I’m stuck on the fan. I see so many people spin it on freely but mine is not doing that. There is a thread that is bad it’s very minimal would you replace the whole fan or is there something I can do to fix it? Thank you.
Do you mean a stripped thread on the shaft that the fan screws to? If so, I would think that could cause a off balance in the fan and vibrations, which may lead to premature water pump failure.
Dr.after change my fan clutch of my chev trailblazer 02 LS my check light come on
My 2005 trail blazer's fan it's always blowing air. And I understand that the fan shouldn't spin if not necessary. Sounds like a dump truck.
Right, it should only do that hot. That's when it is supposed to sound like a dump truck lol
Man, same! 06 9-7X with the 5.3 and i always tell people it sounds like a garbage truck coming down the road, lol.
The weird part is that it will shut off (or at least quiet down from its insanity mode to the point i don't hear it) eventually, but it comes on at the most random times... Like -5 degrees out and it's blowing like crazy.
I'm going to the junk yard this week and trying one out from there if it's cheap enough just to see if it acts any different.
That's good advice everybody go check your fans on your vehicle. Get you a rag and go start your car and stick your hand in. Than use the rag as a tourniquet and drive yourself to the emergency room.if your not injured walk to the auto parts store and get the parts.
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Hello
Ive watch this vid of yours bro. Any idea what size for a spanner that fan clutch 🤔
I used my largest adjustable wrench
@@KevinNadeau great thanks bro
You can just remove the clutch style fan all together and go with an electric fan kit if you want but you'll need to reprogram the ecm to not trigger the check engine light . I'm replacing my clutch fan because its not pulling enough air to make the a/c blow cold at idle.
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Just did mine today like you did
What a pain in the ass
You made it look easy
How long did it really take you to do it
1 15 for me
I don't remember how long it took to be honest, but video editing makes things easier🤣
Excellent video. Just a question: Would a bad fan clutch cause the a/c to cut in and out? Thank you in advance.😓
Thank you. The AC compressor is supposed to cycle on and off. Not sure what you mean.
@Kevin Nadeau My a/c works, and sometimes it doesn't work. No cool air. My friend told me it could be a bad fan clutch. Any ideas? Thank you.
@@tryan7I woodent think so my 02 GMC same thing under the glovebox all that duct system try connection on the fan moter an couple more down there try them it was loose connecting on fan moter solved my problem
Is it bad for it to be on all the time from start even on a cold morning and weather?
I don't think so
Put piece of black tape over it works great✌️
Take shroud out to do this super easy and use 1/4 air ratchet did job in 10 min
how tight do need to get the big single bold when you reinstale, my engine go counter clock wise so it seems to me not much?
I'm having the same issue where I can stop the fan with my fingers. Do I just need to replace the clutch or also the water pump?
Any concern about the condition of your water pump? Some people would say to go ahead and replace the water pump while you're there.
@@KevinNadeau is there a way to test or should I just go ahead and do it?
I can appreciate the notion of presenting a method that involves less disassembly, but as you yourself say, the risk of narfing the radiator probably outweighs any convenience gained. Now, I’m just a shadetree doi-it-yourselfer, not a pro by any stretch, but I’ve removed that kind of fan shroud myself a few times, and it only takes a few minutes. It’s a few minutes that would be well spent.
Great point 👍
That's what I was thinking. But then I got the idea to tape a thin sheet of hard plastic over the fins.
I'm glad my 08 Trailblazer doesn't have that goofy Electronic fan clutch.
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Hi dear,, I have problem with my Envoy 2005 temp coming high I go workshop,, water pump and fan working very well,, I changed also reditor cup ,, temp coming down when I drive The car when stop it coming high again ,, there is sounds of pressure coming out.. plz need your help,,
Perhaps the thermostat is sticking.
I had this problem fan isn't working 100% time to change it.
from what i read the fan should spin freely two revolutions' , and when you stop motor keep spinning a little, if its working proper
I tries it and couldn't get enough distance and ended up cutting the shroud !
What size crescent wrench did you use
I believe mine is a 1-inch wrench
@@KevinNadeau this is the second time I used this video to take off my fan very helpful and I also purchased the clutch through you're link now I'm taking this back off to replace my water pump 😫 thanks for the video and reply!
@@willfreethemfreethem7671 I’m glad the video is helpful.
What other kinds of noises was anyone here getting? My trailblazer has a metal ticking noise like (tink tink tink) that goes constantly. Anyone have similar issue or what it could be?
You make it a point to correct yourself by saying there's only (2) 10mm top shroud bolts. But how bout the bottom, is it still 2 more 10 mm bolts or slide tabs?
There are hard lines on the side of the shroud you'll need to pop out and slide tabs at the bottom.
How did the fan clutch hold up?
So far it's still holding up.
How do you completely eliminate the fan clutch in whole and convert it to electric fan and avoid the p0526 code ??
I'm not sure, I haven't done that on my truck. I think you would have to wire in another relay for the efans
Pcm of NC has want you want.. I want to do the same. They program your computer so you. Won't get the code. Yli believe you have to get some 90's camaro/firebird electric fans. They fit in our cars perfect from what I've read... They have a whole kit available on their website. I might buy their kit the next time I pass by their place. I live in Miami but travel to NC every week.
For you*
Slide a sheet of cardboard in front of the radiator to protect the cooling fins.
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Anybody have some reviews of the AA clutch from amazon?? About to buy but want some honest reviews, can't trust Amazon's reviews nowadays 😕
What size was that adjustable wrench
It was a 12-in Craftsman that opens to about 1-3/8 or 1-1/2 inches.
@@KevinNadeau thank you
2 yrs later is the clutch still working appropriately?
Yes sir👍
STOP!!! READ THIS!!
Apparently, the electrical connector for the fan clutch on these Trailblazers is extremely sensitive. Any little bit of a loose connection can cause arching that will interfere with the computers ability to accurately read data from the fan clutch. Such as temp, and rpm of the fan clutch. This can cause a whlole host of problems, it can even put your Trailblazer into reduced engine power mode. The fix for this is very simple. Disconnect the fan clutch electrical connector. Spray the connectors with a generous amount of electronic cleaner using the provided straw on the can. Let it dry for about 5 minutes. Take some dielectric grease and fill the fan clutch connector full of the dielectric grease (the connector with the straight pins). Plug the connector back in firmly. This will prevent arching and provide a more firm and just over all better connection. It will also prevent moisture from creeping into the connector which can make problems worse. I replaced my fan clutch and about a year later it started giving problems, even the reduced engine power mode. I did this to the connector and so far no more issues. This is definitely worth a try before doing anything else. I have wondered how many people have changed out the fan clutch on these Trailblazers when all that was really wrong was a bad connection? If this helps you let me know.
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Where is the connector for the fan clutch?
@kevinalbers1084 The connector is located on the drivers side at the very front along the radiator support not far from the driver's side headlight.
@kevinalbers1084 The connector is located on the drivers side along the radiator supprt not far from the driver's side headlight
@@user-ie5rr7mj9u I still get P0256 code even after the fan clutch was replaced. I cleaned both sides of the connector and applied dielectric grease. Code comes back.
I just spent $202.99 on a fan clutch at Auto Zone for my '06 Buick Rainier!
I took that thing back to the store today. Amazon prices are way better!
How is your amazon clutch holding up? I'm about to order one now wanted to see if it's a good part
My fan clutch isn’t tightening idk what to do
Sounds like the threads might be stripped?
I worked on trying to loosen the fan from the pulley for two hours last night and am about to just send this pile of crap to the junk yard being this is the 4th water pump in 4 years! I should have made this tool after the first water pump! Cuz I tried several other ways and the fact this is the 4th water pump the bolts on the pulley shroud are rounding off more each time…so sick of these junk vehicles..even when they were new they had so many problems…im curious how many water pumps this thing has had since new…it’s ridiculous these car manufacturers aren’t even worried about quality anymore! I had a dodge stratus with the condemned 2.7l v6 in it that I had almost no issues with for the 100,000 miles I had it! And it’s demonized for the internal water pump issue !! Come on Chevy! Quit making pos vehicles that break down on the show room floor! I’m getting rid of this pos and buying another dodge! I can work on them!
Lot of pumps r backerd threads I got a04 GMC missed with it 2 hrs with 1in crescent an 6ft cheater pipe I new I was just fixen to break something the motherfu_ _ ant backwards threads I use a pipe wrench turn it side ways on water pump pulley Thay can be a real bitc_
My God
does it sound like jet engine when you drive it?
Its not too loud
Mine does
Hey I have a 2002 Chevy trailblazer 4.2 and it sticks idle it's like it don't want to drop Rpm so I was told clutch fan. Its wearing my breaks down What do u think bub
@@jeffreysnoddy3947 What do you mean it sticks idle? I don't think the fan clutch would have anything to do with the brakes.
Jeffrey Snoddy I have a 2003 and the clutch fan was bad, sounded like a plane taking off, but I had no issues with the idle, there is probably a sensor that controls that, no codes?
Mine don't has wired, it runs with engine is on. Why ?
You must have a thermal clutch versus mine which is an electro viscous clutch. Later models had the thermal clutcg
I don't believe that the TB/Envoy's have a drain valve in the radiator either so you have to pull the lower hose or use some extraction method.
Thanks for the video, that is an interesting design in that clutch being electro-viscous and I believe they are somewhat failure prone.
Also, best outro ever with the 'vette peeling away from the fiat challenger!!
Eric, you are correct about the absence of a drain valve. One thing I learned after making the video is you can also remove the upper radiator brace to be able to move the radiator towards the front of the car a little. This would give you a little more room to work too. I'm glad you like the outtro...I think I'll keep using it!
The drain valve is inside the hole of the radiator support at bottom passenger side.
@@KevinNadeau how much do you think a shop would charge, I need this. I have put so much work in my car already. Thinking what it could be only to find out it's a fan clutch. Who can I rent? Hahaha
@@staceystalowy7884 If I had to guess, I'd say a local shop might charge around $300. But call around and get a couple quotes.
@@KevinNadeau I'm going to attempt to do it myself. Already put in the water pump, thermostat, and the reservoir power steering. That belt was a pain in the butt in doing. Or maybe I'll ask my ex-husband to do it for me.
C
The big nut is 36mm?
Not sure, I just use my largest crescent wrench.
@@KevinNadeau yes, it's 36mm. I was able to get it off with my biggest crescent wrench also and a couple of good hammer whacks.
How about an update to the clutch?
Sure thing! Its still in my Envoy and working just fine 👍
@@KevinNadeau thanks for the reply, I swapped my water pump but didn't do the clutch as I didn't think about it 😔. Water pump neck was very loose. Now my 02 tb is getting to 215 degrees and fan no longer roar at all. Didn't have any issues until I swapped the pump. Also noticed with hptuners the fan speed get as low as 400 rpm while driving.
@@KevinNadeau I just bought the clutch from your provided link! Haven't installed yet, all of a sudden when I was driving I seen the temp gauge was below half. Turns out i was 188 which I havent seen since my old thermostat was stuck open.
Did a scan with HPtuners and the fan seemed to be operating at normal but who knows for how long.
@@cylinderTBLS As soon as you said that I thought of the thermostat. I have successfully changed mine twice by going through the wheel well.
@@KevinNadeau Really the themostat? I swapped it a few month back as it was stuck open. My problem with the temp literally started right after I swapped the water pump but didn't do the fan clutch. Hmm. I do have the clutch on hand same one you purchased.
What you did would take me about 20 minutes to half an hour with a beer! Thanks for sharing this with us any way.
😂🤣😂🤣 Riiiiiiiight...
Congratulations?
I’ll probably take the hoses and shrouded off so I don’t buttfuck the radiator but thanks bro
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Don’t do this short cut! Risk damaging the condenser isn’t worth the short cut!
My check engine light come on today. So I took my trailblazer to check, and they told me that I just need to replace the wire connector.
bro i need that part.... WHERE DO YOU FIND IT?
Releasing the clutch it.bye you didn't help .use a breaker bar to stop rotation and place it were you can and then turn the ignitions little at a time without starting
I wouldn't advise cranking your car while there are tools in the engine bay.
Sorry but if u do it the right way u don't take the chance on damaging the radiator with the fan clutch
Why not show people a couple inportant things? Like which direction to turn the large nut on the clutch? Oh counterclockwise? I dont recommend leaving shroud in and pulling clutch through a small hole and busting your radiator. Bad news for inexperienced guys.
Go back and rewatch between about 5:20 and 6:00, I talk about which direction to take the fan off.
that is their problem not his.
Why the fan clutch is engaged if you truck it's cool ??????? 🤔👎👎👎👎
Because the viscous fluid in the clutch was cold and the valves inside the clutch were closed.
What Kevin said and it helps warm up the engine by adding that extra stress to the engine then it will regulate. It is not a typical fan clutch, it is electronically controlled hints the wires.
@@KevinNadeau so when your fan clutch is engaged - do you see it spinning on the front of the condenser also? Should be same as TB? thanks - I can't stop my fan but I don't have any spinning of that part
Way to much talking
hack job
Absolutely ridiculous
U talk to much
Appreciate the feedback 👍
The easy way.. 19 mins later... Didn't even make it halfway thru