Thank you for the instructions, my son and I replaced the coil module and the three coil packs and spark plugs yesterday and the engine light finally went off on our 2003 Chevy Malibu. We numbered the wires and new packs. Thank you.

Good job on explaining and showing the installation. Of note, You should always put HEAT SINK grease under the Ignition Module and under each Coil. Also Dielectric grease on the plug ends for the harness. The Heat Sink grease is vital to take heat away from the Coils and the Ignition module. Be sure not to confuse Heat Sink with Dielectric grease, many auto parts stores do not know the difference. You can get it under the Wells brand at most auto parts stores or online.

Thanks for the great video! Clear camera work, Fast Forward in the right spots.

I just replaced my ICM thanks to you. Thank you very much!!!!

Thanks. good video and common-sense salvage tip.

Thanks bro!! Very helpful

You forgot one important step. Before installing a new ICM you need to install "thermal grease" on the bottom of it. This is NOT dielectric grease because it will destroy the ICM. Also, not using thermal grease will prematurely cause it to fail.

Awesome Thanks for the complete video! ! 👍🏽

Thank you! You saved me $100 dollars from what I was quoted to do this.

Good video! Must be nice to be able to access everything so easily. The ICM and coils on my 98 Camaro 3800 II are in the worst frigging spot.

Awesome instructions. After watching your example I feel that I can save myself$400. They want $461.00. Thank you.

Great video, im going to attempt this today, ive change my mass are flow sensor, and it was still doing the same, so now im going to change the whole icm and coils🤞..i refuse to pay an arm and leg when i can dirty my manicure for a quick sec. Thanks again

Excelent video, good luck

This helped so much!!!

Excellent, thank you

This seems easy enough. I went to both Autozone and Advance auto. Both had the module. Both had the diekectric grease. Neither store had heat sink grease or thermal grease. They had no idea what I was talking about. Any other common names for these? Any suggestions on where I can get this grease?

I have a 2004 Buick LeSabre with 3800 V6. It has 180,000 miles on it. The ICM needs replaced- I replaced one years ago on a Grand Prix- doing the same thing. The engine has a tapping noise now because on pushrod is not getting enough oil. The camshaft probably. My mechanic said to get a new engine, or get a newer car. I am torn about what to do. I have done a lot of repairs over the years. The transmission has been rebuilt, and, and, and. All major repairs have been done. The old Buick has leather interior that looks nearl new when cleaned up. The paint is still good. No rust. And the newer cars are so cheaply made- cheap interiors, plastic, cheap fabric. I have a mind to spend $4000 on a new engine, but not until it gets worse. The mechanic said to keep driving it. He said it might last a long time yet as is. Thanks for the video. I believe I can do the ICM no problem. I can the thermal grease/heat sink grease from a computer store. No auto parts stores in my area have it. The ICM needs replacing like now! Rough idle, weak acceleration.

I changed out the ICM but just noticed in the box that the new one came in that there are 3 red rubber pads that go around the plugs/studs that the coils fit on. I didn't notice that they weren't on the ICM. So is it important that I go back and get them on ? Thanks

My 1999 Buick LeSabre we'll just shut off when going down the highway, if you put it in neutral it will start immediately if you stop and put it in park it will start immediately and run perfectly also it may do it twice in one day it might not do it after 10 hours of driving, use the car last week drove 8 hours down 8 hours back a mile from my house at shut off I was thinking crank position sensor but it's throwing no codes, change fuel filter and checked pump pressure pump pressures fine. Any suggestions would be helpful

I took the tops off all my coils and there were Sparks on each one. That being said...what do I do about cylinder 1 misfire and bad stuff like u said happening...

Great vid! Lots of information. When doing this, do you have to disconnect neg battery cable? Thanks!

Hey Nice Video Your A Great Mechanic Are You located In Houston I Have A 01 Buick LeSabre & I changed my starter, spark plugs,engine cords,new battery & I even changed my fuel filter smh. At first I was having trouble starting my car. If I turn it off I’ll have to wait for it to start back up & now it won’t start at all. Someone told me my alternator but I really need some help cause I did all this work & now it would even start. I just got the new battery 2 Days Ago because my car wouldn’t hold charge I tried jumping it nothing happen it just clicks one time like it wants to turn over but nun

Thank you for the film. Can you tell what grease goes inside of the ICM and possibly where do you apply it? In my coil compartment ( to the very right under the bigger connector) for the ICM there was a blob of some grease. Is it supposed to be there? And if so what grease is it? For the new ICM AC Delco gives a pack of grease to put on the female connectors, but where exactly? And nothing said to put into the coil compartment. Do you put any grease on the metallic plate of the module? My original Module (2003 Chevrolet Cavalier, Eco Tec 2.2 engine) doesn't have any visible scratches on the metallic plate.

Excellent job / nice video CW! I take it the ICM you removed was the original part (1997). How many miles did it have on it when it began to fail? I'm doing the same operation on my '94 Buick Regal, 3.8L Series I / L27 (same coil packs, same ICM). Many thanks for sharing. Thumbs up!

I have seen by replacing just one bad coil is the fix however so many say that all the coil packs should be changed is this not true?

should a Thermal Paste be added ti the bottom of the ICM prior to installing??

Put up a video of it from a few days ago. I didnt get the upper dash though.

I re-did the cylinders and the control module and it still has a rough shaking idle. 01 park Ave

Will u have to do the sparkplugs too if your changing that icm and or coil packs

I've changed my ignition control module, egr, and map sensor on a 97 saturn sc1. But I'm still getting map sensor low voltage, egr low voltage, and cam shaft sensor low voltage. Is it possible that the ignition module isn't grounded? And where do I put the di-electric grease? Just on the power coil terminals? Thanks for any help!

Captainwiggles My car will start and run fine (I deliver pizzas) so on warmer days after I shut it off then come back out to start it immediately or 20 mins later it won't start until the engine cools a little.... Does this sound like a bad ignition control module or coils?

Are u putting same coils on.and can u put new coils on old modules?

I need help I own a 2002 Buick Regal with the 3.8 litre Series II motor & I am having a long extended crank issue when the engine is cold & then car eventually starts I replaced the spark plugs, new fuel pressure regulator, new fuel filter, new fuel line, new MAF sensor but still having a hard time starting the engine when the motor is cold could you let me know how can I solve this problem & I'm guessing that my fuel pump is weak or the crank sensor is bad or is it my ignition coil pack please get back to me Thanks.

I was trying to remove the bottom coil pack for cylinders 4 and 1 and I could not get the left bolt out and finally had to use a grinder to finely grind the thing off because the bolt is stuck inside and I don't know what to do other than take the whole bracket off and mess with it. Was told that I'd have to rethread it and to just buy a new ICM but that bolt wont release it from the bracket. I've tried everything as far as pliers go to try to loosen the screw between the plug for the coil pack and it will not move. It's hard because you have zero room and trying not to bend the ends of the plug that sit on both sides of the bolt..Are there any suggestions?

Good Job,

I have a 1997 Buick lesabre 3.8 n I change crank sensor and camshaft sensor on my car in it still cut off y I’m driving it then I went to junkyard get icm ignition control module to replace it did better for lil long but still cut off on me should I go buy a new one ignition control module n if that don’t fixed it what else could it be ?

how did you know it needed to be changed what was the car doing

Would that cause flashing security light no click no crank. Had one replaced yr.so ago had staling and cut off engine.I my battery terminals got me up running when moving them but not this time

CaptianWiggles Hi, I have a 97 late Year Pontiac Grand Prix GT 3.8 L Engine. It will not stay started even after a jump. It just dies without warning. I previously replaced the Ignition Control Module with a Use Part and it ran for a little while then stopped. I then replaced my Starter with a New Starter, it ran for a while but now I am back to having the same problem. Could it be the Old Used Ignition Control Module or is it my Alternator? It's hard to find knowledgeable, honest Mechanics. Please Help. Thanks = )

Where did you put the thermal grease on the coils? Or on the bottom of the icm

there is a wire that is just loose mine..its right there and comes out the wire harness behind the coils..what does it connect to??

My car is throwing the p0171 code. Someone told me to replace this, as I've replaced the injectors, checked for vacuum leaks, etc. Does that sound right?

Wonder why the 2/5 cylinder numbers on the coil pack are opposite of what they should be??? Nice video!

how did you know it was bad please explain thank you

How did you know you needed a new one? What did your car sound like when you started it up?

How many miles on that car?

Would this causes a p0300 code

You actually don’t need to unplug the spark plug wires from the coil packs, to remove them from the ignition module.

How much you pay for it? A new one for mine would cost close to 100 bucks

My car didnt throw any codes. But yet kept stalling and wouldnt move underload. Now wont start at all. No spark. 160 k miles. 97 lesabre.

I’ll be doing this soon, car hesitates under a heavy load. Tune up already and new coil packs. At 175K and 17 years old maybe it’s my issue. If not back to the mechanic she goes

This whole time I'm just wondering how the hell you have a 3800 with a battery under the hood. Mines under my rear seat where I was sure they all were

One thing that irks me about working on the late 90s GM cars. They use metric and sae fastners all over.

Dude you forgot to put die electric freeze between the plates.it will get hot and weld itself together.eventually. grease.

1st disconnect battery

No dialectic grease?

Where’s the thermal paste it’s gonna overheat!

YOU MUST USE DIELECTRIC GREASE BEFORE INSTALLING NEW MODULE SO HEAT DISSIPATION TAKES PLACE DURING OPERATION!

Ok

Would have been nice to see you start the car when finished . . . .

Good practice to replace coils and module at 100,000 miles along with wires, plugs, fuel and air filters. And PLEASE USE THERMAL PASTE, NOT DIELECTRIC GREASE on the bottom of icm. A very thin layer.

Never put thermal skin

H

The video keeps buffering. Can't watch it

It doesnt fucking working. I need Hel0

Need Silicone Heat Sink Compound on the back of the Ignition Control Module to transfer the heat away or it will get hot and shorten the life.