LT1 Air Smog Pump Delete Mod 1994-1996 Cadillac Fleetwood & Chevy Impala SS Buick Roadmaster 5.7L V8
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- Опубліковано 11 лют 2025
- Throttle Body Coolant Bypass Mod: • LT1 Throttle Body Cool... LT1 Air Smog Pump Delete Mod on my 1995 Cadillac Fleetwood. This would work on most LT1 5.7L V8 engine. Easy step by step tips. Instructions also apply to other cars!
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This is a how-to video for the “Do-It-Yourselfer” working in the home, driveway or garage. No fancy or crazy expensive tools. I'll show you step by step how to get the job done!
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Due to factors beyond the control of Steven Wimberley & WorkingWithWimberley, I cannot guarantee against improper use or unauthorized modifications of this information. Steven Wimberley & WorkingWithWimberley assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. Steven Wimberley & WorkingWithWimberley recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of Steven Wimberley & WorkingWithWimberley, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not Steven Wimberley & WorkingWithWimberley.
LT1 Air Smog Pump Delete Mod 1994-1996 Cadillac Fleetwood & Chevy Impala SS Buick Roadmaster 5.7L V8 #WorkingWithWimberley Episode 184
Throttle Body Coolant Bypass Mod: ua-cam.com/video/AaCWtfRd538/v-deo.html
Wanted to do this on my SS but was reluctant but this makes it sound pretty easy. Thanks for you video.
This is a more detailed video that I actually used to do the removal. ua-cam.com/video/ea3mA_UFla8/v-deo.html I had no clue it was so easy. And with an OBD1 car, I knew I wouldn’t get a check engine light. The engine bay looks 10 times better without all those pipes, hoses and valves in there!
Nice clear explanation. Going to do this while the engine is out in mine.
It was easy with the engine in. Should be even easier with it out!
Yesterday the supreme court took away some of the EPA's power and today we delete smog pumps! "Murica lol
That’s right! Give the power back to the people! 😂 🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸
This is definitely on my to do list for my Roadmaster.
Awesome! It really cleaned up my engine bay.
I have a 96 Fleetwood limo, same set-up. I factory deleted the AIR system out, it was a factory recall. I have done everything but remove the pipes off the intake to exhaust because I can't find the caps, where did you get yours? I have been looking but haven't found them, they're obviously not stock🤣👍
If you need the cap it’s Home Depot part # 801509. If you need the plug is Napa part number NOE 7041048.
www.homedepot.com/p/Everbilt-5-8-in-Flare-Brass-Cap-Fitting-801509/207176415
www.napaonline.com/en/p/NOE7041048
@@WorkingWithWimberley awesome, thank you!!!!❤️
@@SimplyDarknes You’re very welcome! Good look with your Fleetwood. If you have a minute, check out this video about the history of my Fleetwood: ua-cam.com/video/i5k8aBiBtdI/v-deo.htmlsi=ls-wJBrIR2NqikBR
Great video and saved me a ton of time. Big thanks! Did it all under 2 hours using my lift.
That’s awesome! I’m glad the video helped!!!
Hey! Love the videos! I've got a 94 Fleetwood and I'm having some problems with the level ride sensor in the rear. Can you show some basic troubleshooting and where exactly to locate the sensor in the rear?
Did u ever find it?? I gotta check mine I removed the fuse by the driver side when the car was sitting so it doesn't drain the battery
Great video and concise. Might try on my 96 Caprice. Do you have a mechanical fan or removed it?
I have electric fans. I replaced one of them in this video: ua-cam.com/video/Ukxl1QCi0RA/v-deo.html
@@WorkingWithWimberleyYou the man! Thx ✌️
@@hoppskippity You’re welcome! I’m glad the videos are helping!
Thanks for posting. Great info
You’re welcome! I’m glad the video helped!
Wow. That looks really nice. I have a 1992 Corvette with the same engine. Would those drain plugs cap off my exhaust manifolds? I liked the way you went ahead and cut the top of the tubing to put a socket on it and remove it. Nice.
Thanks! It’s possible. If your LT1 has the same exhaust headers and mine, it should work.
This video helped me tremendously!
Awesome!
How do you kno if your car is a obd1 or 2 I have a 95 and want to do the same delete ?
From what I read, there should be a label somewhere under the hood that tells you.
It's an obd1. I have owned a 95 and 96 fleetwood. The 95 is obd1 and the 96 is obd2.
I have a 1996 9c1 and my air injection pump literally burned up came apart causing a bad vacuum leak I saw where the recall on it back day to remove clear code etc... I used the top caps on my obd 2 1996
Ok cool. Did you have any issue with the check engine light after removing the pump?
@@WorkingWithWimberley sure did first year obd 2 cat clog up number 8 cylinder had replace motor I put black electrical tape on dash light fixed it for good car runs flawless cat deletes
@@haniballectorI'm about to do this on my 96 good or bad idea
Why did you change it? Did it have a misfire is that the reason? I have a 96 Cadillac fleetwood brougham and i change opti,spark plugs,wires all with A/C Delco parts, idle air control,throttle body position sensor,EGR VALVE,fuel pump, fuel pump filter,fuel pump regulator,o2 sensors and the car still had a misfire on the passenger side have you ever had this issue? If so how did you fix it? It jerk around 42 mph and 54mph. Could you help me out please?
5:13 I did it to clean up the engine bay. And yes, I had a misfire due to a bad spark plug wire. Here’s the video for that: ua-cam.com/video/rNYMPEZbV20/v-deo.html Unfortunately, it’s seems as if you’ve already replaced everything I would suggest replacing. I also had a bad vacuum line that caused the car to hesitate and stall. Here’s the video for that: ua-cam.com/video/ejJXkSlosh4/v-deo.html
Hello. I have a 96 impala ss can I do the same thing you did ? My check engine light is on. If I do what you did I dont need the secondary air injection pump hose ??.
Yes you can do it. You might get a check engine light from doing it. If you remove the air pump, you don’t need the air pump hoses anymore.
How’s it holding up? Any issues arose? I have a 95 and want to clean up my engine bay. Thanks for the video
It’s been perfect. No issues at all. Looks a lot nicer at car shows too!
@@WorkingWithWimberley thank you for the quick reply. Definitely going to follow your channel. I just got my 95 so I am looking forward to seeing what other content you have on the caddy. 😎
@@nimster64 Thanks for subscribing! I have many Fleetwood videos. There’s actually a playlist. But anytime I do work on it, I will record it and upload. ua-cam.com/play/PL-Xy1pr6dLHNwb6d0MB9VHTp0C9RR7bI1.html&si=DL0PUIE3WBj_x8Gc
This is a good video. What did you cut the metal with?
You can see it at 3:01. I used this: www.harborfreight.com/3-in-high-speed-electric-cut-off-tool-63023.html
@@WorkingWithWimberley Alright thank you sir!
@@Prince_.A You’re welcome.
I have a question I got a LT motor 4.3 engine I had it look at it will turn over but it won’t start I took you to a shop it said he has no compression how can I fix that… Or what should I do
I’m not sure how you would fix that but here are some possible causes. cartreatments.com/causes-of-car-engine-low-compression/
no compression = get a new motor .probably skipped the timing and bent some valves.
@@livvielizard7409 ok I’m going to check that out
No codes too. Nice
Thanks! No codes for the 1995 OBD1.
I have a 96 fleet I had this done and codes still popping up after a few days do I have to just live with this I’d really rather not 😅
Do you have a video on egr delete?
I don’t. I didn’t delete that. It will throw a check engine light in my car. I did also do a coolant bypass mod though. ua-cam.com/video/AaCWtfRd538/v-deo.html
Question. Can the air pump be used to power air bags? How much psi is coming out of that thing?
It pumps fresh air into the exhaust at the manifolds to dilute the exhaust gasses and provide more oxygen to ignite the air in the catalytic converters. I doubt if it could be used for something else, but I'm not 100% sure. I have no clue how much PSI it makes. You may have better luck in one of the LT1 forums.
Excellent informative video!
Thanks!
I'm thinking doing it on my 96 ss but I don't want engine light on dash..
I understand. Once I found out I didn’t have to worry about the check engine light, I immediately pulled it out the car! I also did a throttle body coolant bypass mod. It’s supposed to keep the throttle body cooler and actually slightly improved performance. Throttle Body Coolant Bypass Mod: ua-cam.com/video/AaCWtfRd538/v-deo.html
Hello!
Why should the smog pump be bypassed??
@@EASTCOASTIMPERIAL Mainly just to clean up the engine bay by getting rid of the pump and all the piping. It doesn’t do anything for performance. The point of the pump is to pump extra air into the exhaust so the cats heat up quicker for better emissions on start up.
@WorkingWithWimberley
Okay, got it.
@@EASTCOASTIMPERIAL No problem!
What benefit do you get for deleting the air pump?
As I state at 0:16 I’m just doing it to clean up the engine bay. There’s no significant benefit. It would be a slight weight savings and less parts on the engine. That’s about it.
Did you have to get a custom belt after taking air pump off
No. The pump isn’t run by the serpentine belt. It’s electronically controlled. So the belt stays the same.
Oh okay cool I have a 1994 Buick Roadmaster with a Lt1 and all my people kept telling me it was driven off the belt thanks for clarifying I'm bout to delete mine now
@@timkelley5596 Good luck!
I have 95 camaro lt1 think that oil drain plug will fit?
More than likely yes. But GM is unpredictable and sometimes changes stuff mid year.
Nice job. Well explained.
Thanks! I’m glad the video helped!
Hey I have a 96 I want to do this to mines but what will I have to do afterwards will my car run bad or what ?
It should run the same, but you’ll have a check engine light. You’ll have to find someone who can tune out the smog pump from the cars computer.
Appreciate it mines just keeps burning a hole through the hoses on the passenger side and idk y I mean I just got my exhaust did
@@jovoanfinney7215
What hoses ate you refering to? Heater? Radiator? Heatercore hose??? 🤔
Wat size is that cap u put on the exhaust manifold
My LT1 required a plug. I used NAPA part number 704-1048, which is M22-1.5. If yours requires a cap, according to these guys it’s a 5/8" flare cap. ua-cam.com/video/ea3mA_UFla8/v-deo.html Home Depot SKU # 727131
@@WorkingWithWimberley thanks alot bro and when u dropping more Cadillac content
@@corbinsims7203 You’re welcome. I have quite a few videos on the Fleetwood. Make sure to look through my channel. But every time I work on it I record it. So there will definitely be more videos.
So what does it do besides clean up the engine bay?
Not much.. The LT1 AIR pump is electric so that there's no drag on the engine (unlike the L98). It only runs at startup. The only minor benefit you'll see is a few pounds of weight reduction.
Weight reduction and it makes pulling the valve covers SO MUCH easier.
What was the socket size you use?
Smog Pump 10mm
Smog Pump Bracket 14mm
Exhaust Manifold Insert and Plug 19mm
@@WorkingWithWimberley
🫡
GM actually deactivated the pump with a service bulletin. It was an update to the ECM. I have no idea why emissions inspection stations still require they system still must be intact.
I didn’t know that.
You got the other drain plugs part # ?
Guys in the forum say it’s a 5/8 flare cap. Home Depot part # 801509
Thankyou !!
@@Chris-dr6lb No problem!
Easy to do, but now my check engine will not stay off. Now I gotta re install it after I find it on a used car. I would not do this if your have a late 95 or 96 LT1. I keep my 96 SS meticulously running so while it runs good that check engine light kills me!
@@rockyc3368 I state that in the video @5:35. If you have a late 95 or 96 you have to get it tuned out of the computer or you’ll have a CEL.
@@WorkingWithWimberleyhow can I tune it out
Nice job!🤓
Thanks!!!
@@WorkingWithWimberley checked out the channel. Definitely have a passion for what you do. Great job… 🤓 IG @ s5c4rl8_r05e
Job well done 👍🏽
Thanks!
Very great video
Thank you!
I have month08/year94 pontiac trans am and i did the air pump delete now it wont idle
@@maxviloria411 From what I read in the forums, the air pump on the LT1 should not have anything to do with the idle. ls1tech.com/forums/lt1-lt4-modifications/441583-air-pump-engine-important-affect-performance.html
oooooooooooooh snaps!!!
I’m back in the game!!!
My bolt was rusted in so bad on the passenger side. Not a fun job.
@@ChrisLuke-uz7hz It always sucks when dealing with rust.
Thank you
You’re welcome. You have a really nice Impala SS!
Chevy engines always had such an inelegant why to plumb the smog pump into the exhaust manifold. The Buick 350 and 455 system was far less bulky and much of the plumbing was internal.
Thanks for the info.
Great video
@@OrlandoMagic100 Thank you!