2004 GMC Envoy "problems gm 6 liter" Questions

GM has problems with these motors. I checked the spark plugs and there is no oil foling they are very clean. There is no visable external leaks. Is it possible to have a intake manafold leak? There is

...GM models had problems with the intake manifold gaskets leaking coolant, between the intake manifold and the top of the engine block, due to faulty gaskets. There was a class action suit on this ...

...problems . Vehicles: 2002 Chevrolet Trailblazer 4WD 4.2L SFI DOHC 6-cylinderYour front 4WD Transfer case is low on Gear Oil.On warm days, the Gear Oil expands slightly, and is less viscous, so the ...

GM AUTOMATIC TRANSMISSION IN ROLLS ROYCE SILVER SHADOW SOMETHIMES IT DRIVES WITHOUT PROBLEM SOMETHIMES IT DONT WANT TO MOVE .The electric gear selector seems to be OK.When I lift the rear of the car ...

...6 cyc., 4 spd, carburated. Jeep won't start. Getting no ignition spark from plugs, distributer, or coil. Replaced coil and checked all fuses. Verified 12 volts available to coil have a good ground as ...

...6 bolts for non gen 3 LS applications and a 7" depth bell with 7 bolts for LS applications. The 4L65E/70E uses a 7" depth bell and 7 bolts.<< oops ! ...

...GM engines around that time had problems with the intake manifold gasket leaking oil where the manifold bolted to the top of the engine block, but if I remember correctly, it was in the 3.1 liter V-6 ...

...6 liter engine. I bought it used at 100k and tow with it. The trans oil is clean and reddish and clear, and has no smell. As a prcaution I was going to have the trans flushed but I have read this may ...

6 VIN "W" 1989 Chevrolet Corsica 2.0 liter L4 VIN "1" GM Corsica/Beretta 1988-1996 Repair Guide Ignition Coil - REMOVAL & INSTALLATION Disconnect the negative battery cable. Detach the 8 or 11-pin

GM Maltec injector with a bad coil will short out a bank of 3 injectors, stalling the car like it ran out of gas. Test and replace all 6 injectors, should have 12-13 ohms of resistance, less is bad (2