Questions tagged [gm]

General Motors Company, commonly known as GM, is an American multinational corporation headquartered in Detroit, Michigan, that designs, manufactures, markets and distributes vehicles and vehicle parts and sells financial services. General Motors produces vehicles in 37 countries under thirteen brands: Alpheon, Chevrolet, Buick, GMC, Cadillac, Holden, HSV, Opel, Vauxhall, Wuling, Baojun, Jie Fang, UzDaewoo.

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GM 4L60-E Rebuild Questions - Part 1

I am in the process of rebuilding my first 4L60-E (I've done a 4L30-E before) and I had a couple questions. 1st: In terms of the input drum pistons I know there are both aluminum and steel models, ...
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184 views

testing auto 4L60E transmission while not in vehicle

is it possible to test while not installed in vehicle my auto 4L60E transmission
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505 views

GM 6l90 transmission swap

I have a 2012 Chevy Express van 2500 with a 4.8l motor and 6l90 transmission with 200k miles. I bought a used 6l90 with 77k miles from a junk yard, that came out of an identically van. Same year, 2500,...
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Cadillac CTS "Traction Control Off" displayed after driving 15 mins

After driving 15 mins the "Traction Control Off" light is displayed on dashboard and radio displays "Service Brake Assist". All go away after engine is turned off for about 20 mins. It recently got ...
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Corsa C electric power steering ECU 12V power polarity

I need to know the power polarity of Corsa C Electric Power Steering ECU 12V power connector. I suppose the power is the right connector in following photo (it has 2 flat pins vertically aligned): If ...
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1answer
38 views

'00 Malibu no crank replaced ignition completely now worse. Help!

2000 3.1 V6 Malibu – I cannot get the engine to crank. What I have done in the last 2 months; Replaced the battery – tests @ 12.98V cables off, 12.78V cables on, 12.58V with key in (KOEO) position ...
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177 views

Should Dexcool be switched for another coolant in a GM 3800 V6?

I'm looking to buy a low mileage ( 100k km / 62k miles ) 03 Buick LeSabre for my wife. The 3800 V6 runs Dexcool, and I've heard horror stories about Dexcool, but I've also read other opinions that ...
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344 views

Chevy Blazer 4.3 with p0303 error (cylinder 3 misfire) shortly after running medium-hot: now wonky idle, but smooth at high RPMs

I've got a 97 Chevy Blazer with the 4.3 and 281k miles. It might be of-note that a shop replaced my Lower Intake Manifold gasket about 18 months ago. At the very end of a long trip this weekend it ...
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375 views

Revs go up, but car doesn't increase in speed while shifting. Trouble accelerating

I have a 1.2L Corsa B automatic, and I'm having trouble accelerating. I can only get to 60 mph slowly on flat roads, and about 30-40 on a hill but 70-80 mph downhill. I can feel it hesitating when ...
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Bought OBDII tool - System too rich

My 04 Isuzu Rodeo has had a too rich code for some time now. I definitely smell the fuel out of the exhaust. In the last 6 months I have had the following done to try to fix this issue: New spark ...
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Did a Century/W-Body/GM Issue Exist Due to Chafing Wires Under the Dash?

I am trying to find out if an issue is a common flaw. Sixth Generation Buick Century's (1997-2005) Maybe all W-Bodies, or even all GM's of the era, I am not sure. But lets focus on Sixth Gen ...
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GM Vortec 5.0 CSFI - Failure Symptons

Based upon my research, the CSFI systems used in GM's Vortec engines during the mid to later 90's are problematic. As such, it does not appear uncommon to convert these to MPFI system. I have a 96 ...
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471 views

Possible Bad Pressure Control Sol. in my 4l30e?

I rebuild the 4l30e in my Isuzu Trooper recently. The transmission shifted great and everything seemed ok. Time went on with the trooper as my daily and everything continued well. I passed 1k miles ...
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43 views

Car takes long to shift gears while stationary

I have a sports car that recently started acting up when I change gears from Reverse to drive. I have two main issues that surfaced recently: When changing gears from park to drive, or when engaging ...
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2002 GMC Sierra Brakes spongy

I have a 2002 Gmc sierra SLT that I just picked up a few months ago. The issue is that the brakes are awful, and they appear to be an issue the previous owners were chasing down too, all calipers, ...
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Cracked block - replace just the block

I have a GM 350/5.7 marine petrol engine. The block has a large crack due to freezing. The engine itself doesn't have that many hours on it, so the other parts should be quite OK. Is it possible to ...
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26 views

I need the male end of a cable connector that mates with THIS female connector

I have a Jeep Wrangler in which I've had a 5.3L Chevy LS engine installed, along with the GM ECU, a custom radiator and a GM radiator fan (from a 2017 Camaro I believe). The radiator fan has this ...