How To Replace An Ignition Control Module ( GM 3800 )
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- Опубліковано 24 сер 2024
- Just a quick vid to show how you replace the ignition control module on a 3800.
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I recently did this on my '98 GS (L67) and I found that NAPA can bench test these modules for free.
Good info. Thanks
@@SalemDoyle not by me.
@@joeshmoe5935 Not by me either.
Simple job that most shops as I've found out earlier owning 3800 powered vehicles, act like its earth shatteringly hard. As I mentioned in comments I live in NY and they don't know how to "Fix" cars. The so called techs rely on looking at what year to our car is and if they see it's over 5 yrs old tell you to junk it and buy something that will be a brand new money pit. Great info.
This was literally a 15-20 minute job……. Thanks man🔥
Did mine in seven minutes plus two ignition coils,thanks mate! Mechanic was trying to charge me a ton of money...
I would have cleaned the ignition control module with alcohol because it was pretty dirty the one you got in the junkyard and then put some thermal paste on it and then I eventually would have tried replacing the coil packs. They usually go. I could never understand why a lot of mechanics don't clean their area where their parts go in, it is very important. I've only found one good mechanic in my life that I only been about 2 years to him and then he went out during the pandemic. And he was the best and I'm almost 60 years old.
Never have used anything on an ICM. What is the name of this stuff ?
Thanks for taking the time to share with us. By me Napa didn't check the ICM but Autozone does. I shouted Hallelujah in the store when the employee told me the ICM I had failed.
and here we are again bad new ICM. Autozone doesn't even include the heat sink paste in their new $$$$$ ICM. I need to know what is eating em up.
Thanks for the demo. I’ve had a sudden and abrupt dead spot that’s caught the SES to flash, and hoping the one I just acquired fixes the problem
Hell yea bro am gonna give it a try myself the shop is trying to charge me $600 including parts but auto one has it for less than $200 and I’ll save that money
Put a new crankshaft position sensor in it next also clean your mass airflow sensor, after that check the wires at your cam shaft sensor, if oil gets on them they will ark. I am going thru the same on my 97 supercharged park ave. Did you figure yours out yet? Take care.
Thanks Kids really help bring awareness to maintenance
I used a 7/32
I recommend some thermal paste between the control module to the heatsink. Doesn't matter the brand or anything. Without it you have a higher chance it'll over heat a fry itself in the nearish future.
FYI everybody... thermal paste and di-electric grease are two entirely different things. I've even seen thermal tape (junk). You don't need to buy a big tube. Just some good sized spots will do just fine.
@@edsmith6504 yes
Thanks for your help.
You forgot the thermal paste between the bottom of the ICM and the bracket for the heat sink I picked up a tube at Best buy last night for seven bucks
Try the coil packs as well if you haven't replaced them
Great video and great information,, saved me some money,, fixed my issue with my 02 Monte Carlos SS,, changed the coil packs and module
Awesome
should a Thermal Paste be applied to the bottom of the ICM prior to installing??
Yes. Its a good idea
Yes , Thermal Heat Sink not just plane Bulb grease that allows you turn signal to work and not get all rusted out, that the wrong grreasy
Mine got the same problems imma do the ICM n see if it fixes it what did u do to finally fix it my brotha?
Did you ever figure out what was going on with it? My 97 GTP does the same exact thing you were describing and I'm having difficulties tracking it down... Thanks! Love the videos!
Unfortunately, no. The car got sold first
This looks like a difficult situation when it goes out on the vehicle. Good luck to those who are having this problem. Know someone who has a possible problem with their ICM.😮
Good info. Exactly what I needed. Thanks...
all i took to the junkyard for this is a ratchet and two sockets
So much easier than on a first gen W body!
Man I appreciate this!!! 💯👍🏽
I'm having the same problem with my Impala 3400 engine. Did the creator of this video ever fix the problem? Anyone have any ideas how to fix this issue? A friend of mine drove my car and burnt out the ignition switch. Now I'm having all these same issues.
My car runs bad like it has a misfire after replacing camshaft position sensor. was told I may need ICM so I bought and replaced the ICM but when I put the new one in the car will not start. Has p0336. put old one back on and it starts right up. But just runs poorly also getting a speed sensor left side code. It's getting very frustrating. Could you please give me any other things that I can check when looking to to see what is wrong with my car thanks in advance
I would check the harness that goes to that cam sensor. And also check that area for broken vac lines or anything like that
Will a faulty ICM affect the way my car idles? Or voltage drop? I’ve done the EGR VALVE the idle air valve the tps alternator new battery and it still idles and varies up and down from right up under 1000 RPM to right above 1000 help please? I’m also fixing to do the knock sensor’s in it will the bad knock sensors make it idle like that.
Great job thanks
I have a 2000 Buick Regal gs and for some reason after I’ve put the accel performance wires and coal packs on my car it started giving me a real powerful jerk I found out the coals weren’t firing so I took them off and ended up doing the zzp set up and still having the same problem I’ve changed the icm and the crank shaft position sensor still having that problem it only happens majority of the time when I try to get boost and won’t give me full boost gets to about 7.5 any suggestions?
Souble check all the vacuum lines and make sure one disnt break.
Check the temp sensor and IAS as well.
Great video as always thumbs up
thanks
Nice! I wonder why they aren't into cameras.
I wonder the same thing
The ignition control module is a somewhat a easy fix
Yes it is
Dude, you should see what you have to go through on the old first-gen Ws with the 2.8, 3.1L!
Also, Salem, you're lucky to get it on the first try! When the ICM on my old Lumina went, I ended up grabbing five of them and having to try three different ones, before I found one that was good. But then again, those were under the exhaust manifold, so I'm sure more of them fried from heat back then...
Great,thank you.
What brand would you recommend? Delphi or Ac delco? Delphi is almost half the price of AC delco ICM
Delphi is a good brand, delco is probably best, but delphi is fine
So, in the end, what did the problem end up being?
Unfortunately, i never found out and the car is gone now
Do you know where I could find ignition control module mounting plate for 2004 gpt super charged..
junkyards
I replaced my module with a new one and it seems to misfire worse, I didn’t disconnect the battery could that be it?
That or it could be a defective module
@@SalemDoyle I’ve had the same problem before with other modules where it just misfiring like crazy
So was this fix what caused it? my 04 impala ss does the same thing
No, didnt fix the problem
Some junkyard parts worry me. A module would be one of em.
Yeah. I agree, but i guess sometimes you do what you have to
@@SalemDoyle Yeah my money's funny all the time.😏
have to say great how to video
Thank you
Keep it up we just Dropped a new drift video yesterday
Awesome. I will check it out
@@SalemDoyle we hope to see you in the comments
My 99 gtp has the washer res inside the passenger front fender(shitty) and the coolant overflow right behind my supercharger pulley.. long story short a truck fell down on the hood a long time ago they replaced the hood but nothing else. It bent the engine mounts so now the supercharger pulley is digging into my coolant overflow... coolant stays in there and everything but I cant imagine its efficent on my boost... have you heard of anyone relocating these two? If so I would love any tips. Sorry about the long comment bud
What part was bent. Can you just replace that part?
@@SalemDoyle it caused the motor mounts to get bent sideways to the left which is why its digging in. Also pushed down on my radiator support but that didnt really cause any damage besides the fact I dont need to use the hood release lol
@@SalemDoyle I dont know how to show pictures on here but if you have some social media or something I can show you what I'm talking about better
@@thehulk123456789123 message me on instagram @ salemdoyle_yt
Excuse me Salem do you know the easy way to find out if my ECM it's going out ?
Should throw codes indicating an internal fault
@@SalemDoyle doesn't even have check engine light on but runs fine on idle but after step on gas pedal start shaking and loose power
Probably not the pcm then.
@@SalemDoyle Thank you, I'll check them up
Will this cause crank no start
It could cause a no start
@@SalemDoyle my car cranks but won’t start. I took the ignition plug off and tried to start but there wasn’t no spark
Check for codes and check crank sensor
Where you get all these cars to work on? You runnin a hot car ring?!🤔🤣
Lol. No. Some are my cars, others are friends cars
@@SalemDoyle I won't bring my 2000 GP around you. Might wind up in Salem's chop shop!🤣lmao
@@stevewheatley243 lol
@@SalemDoyle I'm just plain fulla shit.🤣
P
Wish I had seen this video before taking mine to a mechanic.
Cost me 700$ for them to switch out the ICM, coils, and some spark plugs.
Fuckin bullshit lol
Ouch
Great video as always thumbs up
Thank you