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Re a 88 K2500 4x4 auto trans with a 5.7L TBI, I'm looking for a procedure to replace the right front axle shaft seal. Haynes talks about removing the axle tube with all components and taking it to a dealer for seal and/or bearing replacement. Is it possible to undo the drive axle and push it out...

1988 GMC K2500 5.7L There is a pressure switch near the firewall that has a cap with two wires. Once removed it exposes the connector and also a set screw between the connectors. Can anyone help with an adjustment procedure that can be done without a pressure gauge. I'm trying to reduce the time...

My 1988 GMC K2500 originally came with a 5.0L which was changed to a 5.7L by the previous owner. I understand that there is a difference in fuel injectors between these engines. Can anyone help with identifying the injectors that are in the throttle body now and with what I should be looking for...

RE a 1988 GMC K2500 5.7L. I'm trying to diagnose a fuel mixture issue that only occurs after driving for a while - full warm up - and then stopping for some time and partially cooling. Under those conditions it starts great but hesitates on acceleration often setting a lean exhaust code. Once...

Hello all. First post here. Looks like a great forum. Re: a 1988 GMC K2500 5.7L. Old but only 150,000 Kilometers. A recent stuck EGR valve was corrected by removing the valve and capping the ports. The engine has never run better with a noticeable increase in torque when hauling a camper up a...