GMC C3500 - Popular Questions, Answers, Tips & Manuals

Question edited for clarity. Question moved to correct category. That is not the way to fix it. You remove the AC Pump and install a bypass pulley. It keeps the same belt, route and tension.

1988*-1995 Chevy Pickup A/C Compressor Bypass Pulley

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Chevrolet K3500 A/C Compressor Bypass Pulley - Advance ...

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People also ask

Can I bypass the AC compressor pulley with a shorter belt? Yes, this is possible. However, unless it was the AC compressor clutch and pulley which failed, bypassing the AC pulley is unnecessary. Simply disconnect the wire to the AC compressor clutch and that should do the trick. Oct 9, 2016

Sounds like a short in the fuel guage circuit or fuel guage sender unit. check all connections are good. check no water got into connections.

heat it gently with a gas torch or use a freezing spray

assuming you have hydraulic lifters you can set the nuts on the rocker arms so you can see 4 threads down the stud to the top of the nut and start the engine then one at a time back the rocker arm nuts out till they clack then tighten them till the clacking stops and go in 1/4 turn more on the nut and it is set

low on oil or burned band or selonoid

All that work should have fixed the problem, but unfortunately white smoke means coolant, need look for a leak in a head gasket.

Without a look under the bonnet sorry hood i couldnt tell you ,yes your getting power to the coils but it may not be sparking due to the immobilisor system as this breaks the earth return circuit ,i think the best bet is to ask a local mechanic to have a look for you ,also you havent stated the year of the vehicle as this can help to decide a answer for a question as vehicles do differ with different years of manufacture although the smae model

We have a 2000 GMC 6500 454 engine. Truck will shut off, we turn off the the ignition wait for about 4 or 5 minutes. Doing waiting time, if you turn the ignition part way on, you can't hear the fuel pump, and if you try to start, it will not start . But after the 4 or 5 minutes, when you turn the ignition part way on, you hear the fuel pump, then it will start. It will shut down with a heavy load or even with out any load. It seems to do it more often when it's really hot out. It will shut down as much as 10 times.

IF you have a viscous fan hub driving the fan then replace it with a new unit. IF electric fan/s then check fuses and fans for correct operation. Have a coolant system check done and have a flow test done on the radiator. Ensure that the radiator fins are not blocked up with mud/snow or paper/plastic. Have a compression test done to check for head gasket or cracked head.

Try taking the wire of the temp sender unit and touching the engine and see if the gauge goes up to hot. If so then replace the temperature sender unit ( different to the sensor unit)

Here's what my problem was in my '93 GMC when this happened.. A speed sensor was faulty.. The dealership hooked me to their computer and they had the answer right away.. They changed the sensor (not a big deal) and it's worked perfectly since.

If the truck is gas and older than 2005 it should be along the frame between the tank and the engine.

Near the brake pedal..

move all of your plug wires forward clockwise one hole and try again.

Depending on the year and model, it may just be rusty- frozen on the hub. Sometimes you have to use a very large hammer to break it loose. But using a hammer may damage it beyond the point of being useable.

bent push rods could have been caused when the chain broke and not from the chain been replaced wrong or the timing out.if the engine was running when the chain broke the cam would have stopped leaving all the valves in the same positon as the mometum of the fly wheel continued to turn the pistons in the cylendars could hav come up and hitting the valves and bending the push rods. and or damaging the cylendar head.recommend removing the head and have it checked for damage, as well as replacing the bent push rods, and cylendar gaskit. once the head is checked and the valves are seated well. then replace and follow instructions in the set up for the pistons and cam prior to replacing the chain and setting the timing.I hope this was helpful.

sounds like the alternator

If push rods are bent the chances are thet your thoughts are correct, your valve timing is incorrect, regards Mike

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surging at a idle