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C10

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Question
Proper grease for ground conection on frame/body
I am one of those people who would recommend the use of dielectric grease. That is what GM tells us to use nowadays inside of connectors to prevent corrosion in the terminals of the connector. It will work well to...
Question
Unable to shift power steering motor to replace fan belt. Have loosened x 2 adjuster bolts.
Hello. It's been a while since working on one of these, but if my memory serves me, there is either a bolt that is sort of behind and under the pulley, accessible with a box or open-end wrench. The other...
Question
idle control
My sense is that it is sucking in air through a broken vacuum hose. If it sounds like when you put it in gear and the engine lays over on the motor mounts, it is opening up a source of...
Question
I have water and fuel in my oil
You most likely have a coolant leak into the engine through an intake or a head gasket leaking. If you have water in the oil it may damage the crankshaft bearings if ran too long with the water in the...
Question
my transmission keeps trying to slide off the transmission jack.
This should not hurt the exhast to do this. I would recommend asking for a helper if necessary to help you keep the transmission level. If the transmission falls, this can damage the transmission rather than the exhaust. If the...
Question
I have water and fuel in my oil
This is due to a possible blown head gasket near the number 6 cylinder on the engine. You have aluminum heads and may have a crack in the head. I would recommend having the system checked by a certified technician...
Question
Starting after 38 times
Hello. If it takes multiple times of applying the pedal to get the vehicle started, then you may have an issue with the fuel lines. If there is any air getting into the lines, then this will occur. Most of...
Question
Tail lights signal hazard
Hi there. In order to properly diagnose this, I would need to do some voltage tests to see where the voltage is being lost. It sounds like the switch may be failing again or it may have a bad hazard...
Question
Died driving won't start
Hi there. I usually start by checking the supply voltage to the distributor and to the coil. This would tell me if they are getting the necessary power to function. If they are, then you need to see if the...
Question
Skipping on #7 cylinder
Hello. If this occurs more when it is low on gas, then you appear to have a fuel system issue. I would usually check the fuel pressure first. I would then inspect the lines going back to the tank to...
Question
Car idles when I slow down
Hello. There are 6 possible engine sizes you may have and it would help to know the size to help with the diagnosis. The chain is the timing chain the technician was speaking of. The camshaft bearings would require the...
Question
What could cause the truck not to turn on?
Your engine needs three things to start: fuel, compression, and spark. If you are missing any of these then your engine will not start. I recommend checking to see if the carburetor is getting fuel by using a small spray...
Question
Tips for taking the flywheel off.
Hello and thank you for contacting YourMechanic. You don't need an impact wrench to remove a flywheel. You can use a breaker bar to remove the bolts. What you need to do though is remove the starter from the engine...
Question
Brake pedal stays stuck down when stopping
Hello. This usually occurs when the master cylinder fails. The return spring in the master cylinder is either broken or the piston is sticking in the bore. The master cylinder will need to be replaced and the system flushed. I...
Question
My truck won't start and I've already replaced the starter and wiring is correct. 1979 Chevy C10
Hello - your starter problem may be in the ignition switch, or "trigger" side of the wiring. When you turn the ignition switch to the "start" position, is there 12 volts on the "trigger" terminal of the starter solenoid? If...
Question
Does an 1981 Chevrolet C10 have have manual shutoff for the passenger airbag?
A 1981 Chevrolet C10 pickup truck did not come equipped with a passenger air bag, that I am familiar with, or can find any information in regards to. You may want to contact the Chevrolet dealer to see if they...
Question
Crankshaft pulley trows out the band and a plastic in between two pullies is chipped and Brocken I don't know what's the part name
From your description, I believe you are referring to the harmonic balancer. There is a steel center hub and an outer ring that is separated by a strip of rubber. Some models will have the pulleys and balancer made as...
Question
Engine wont reach operating temperature
The first thing to check is to see if the cooling fan clutch is working properly. Start the engine when it is cold and rev the engine up to 1500 rpm and listen to the cooling fan to see if...

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