Question about GMC Cars & Trucks
Changed spark plugs fuel filter cables took it to the dyno and they couldn't find nothing wrong with it i just purchased the vehicle
If it is a manual transmission the reason why it could be stalling in between gear changes it could mean that the clutch isn't holding on to the flywheel. Normally do to a worn out clutch, wrong type of clutch, or there is some sort of leakage or fluid that is going into the clutch thus soaking the friction material to loose it's holding ability.
Posted on Feb 24, 2012
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Posted on Jan 02, 2017
Usually somewhere on the engine or in the engine compartment, there is a sticker with the engine specifications. The spark plug gap should be included. If not .032 or an inch should be close.
Posted on Jun 26, 2008
Get a female garden hose adapter from the local hardware store. Disconnect the heater hose from behind the fan pulley and attach the hose connection. Disconnect the other heater hose behind the alternator, aim it towards the ground and flush water through the heater core. This worked on my truck.
Posted on Mar 08, 2009
The 99 GMC, when it acts up, check whether it has fuel and/or spark. It could be related to fuel pressure, available electrical power, ignition component/s.
Posted on Jun 01, 2009
Mark the driveshaft and yoke in a manner that will allow you to reassemble it in the same orientation that it's in now. This is done to avoid driveline vibrations. Next remove the 4 7/16" head bolts on the driveshaft yoke. Use a lone screw driver or pry bar to pop the driveshaft off the yoke and slide the other end out of the transmission. Using a u-joint tool press out the old u-joint and press in the new one. You could bring this to a machine shop or a mechanic and have them do it for you if you don't have the correct tools. I think autozone may rent a ball joint press out for free. Next reassemble it orientated the same way you took it off.
Posted on Dec 04, 2009
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