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What kind of pickup truck has a vacuum hose?

What kind of pickup truck has a vacuum hose?

Repair guides and support for C/K pickup trucks sold by General Motors under the GMC brand, including the GMC Sierra. Answered! View the answer I have this problem too

What happens if the vacuum hose is missing from the transmission?

The transmission will work without this line, but the shifts will be hard as if the throttle was all the way to the floor. If the hose is broken or missing, there will also be a vacuum leak at the carburetor, causing a rough/high idle and possible an intermittent backfire.

Where is the vacuum hose on a GMC Truck?

Its the silver line next to the trans dipstick tube The year range is pretty non specific. If the truck has a vacuum hose to the transmission (to the vacuum modulator), the line will be a metal tube attached to the large tube that the transmission dipstick is in. It will come up and connect to a hose that will run to the base of the carburetor.

What does poor suction mean on a central vacuum?

Poor suction means the hose is clogged; good suction means a clog in the tubing system. While the unit is turned on at the canister insert a disposable cleaning cloth into an inlet. If the cloth doesn’t make it to the canister then you have a complete obstruction or clog in your tubing.

What can cause a vacuum hose to leak?

Leaking actuators, solenoids, valves and regulators: The parts that the vacuum hoses and tubes lead to can also leak. Engines made in the last two to three decades often have exhaust gas recirculation (EGR) valves, secondary air injection valves, fuel pressure regulators and purge valves that require a vacuum source to operate.

What should I do if my vacuum hose breaks?

Some cars have a vacuum hose routing diagram sticker that you can use for reference. If you find a broken or torn hose, try to track down a factory replacement part. If the factory tube or hose isn’t available, you can try to repair it with generic vacuum hoses or tubing from an auto parts store.

The transmission will work without this line, but the shifts will be hard as if the throttle was all the way to the floor. If the hose is broken or missing, there will also be a vacuum leak at the carburetor, causing a rough/high idle and possible an intermittent backfire.

Repair guides and support for C/K pickup trucks sold by General Motors under the GMC brand, including the GMC Sierra. Answered! View the answer I have this problem too

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Ruth Doyle