20 Most Recent 2001 Chevrolet Silverado 1500 - Page 6 Questions & Answers

The only way that could be possible is if a/c is some how switching the fan off at the radiator/condenser, so first question is with the engine running and a/c off see if the cooling fan kicks in, if it does and at the exact same time when it does, switch the a/c on and see if the fans turn off! The fans should be on or switching on and off when air con is on, hope this puts you in the right direction

2001 Chevrolet... | Answered on Jun 07, 2014

Vent ducts are controlled by vacuum valves, listen for suction sounds from the dashboard while moving though zone selections. If heard replace bad hose or repair the current hose.

2001 Chevrolet... | Answered on May 25, 2014

cranks but wont fire or wont crank? tries to start or doesent even try to fire?. Jon.

2001 Chevrolet... | Answered on May 03, 2014

Check that your spark plugs wires are properly connected.
Check your spark plugs and see if they look good.
Check your gas input and gas filter. Take your gas hose off at the fuel injection port and see if gas is coming out of the hose.
If not, it could be your gas filter.

2001 Chevrolet... | Answered on Apr 24, 2014

check and see if its getting fire if it is check and see if it is getting fuel

2001 Chevrolet... | Answered on Apr 24, 2014

I had a similar issue on an 05 silverado. Air would only blow out of defrost vents. But this worked for me:

1) Unplug HVAC fuse for 10-30 seconds
2) Start truck
3) A/C comes out defrost - wait about 10 to 15 secs
4) A/C then starts coming out the floor vents for about 5 seconds
5) A/C then starts coming out the dash vents.
6) While the A/C is coming out the dash vents, turn A/C OFF (otherwise it cycles back to defrost for good).
7) Turn truck OFF
8) Restart truck and it should work fine

(Found solution on another forum from user "ccurran")

2001 Chevrolet... | Answered on Apr 13, 2014

What do you need to know exactly?

2001 Chevrolet... | Answered on Apr 08, 2014

bad how? remove switch, cycle it with key and listen, hear clicks ? if not, lubricate, graphite best, tumblers should move freely and pins snap into place

2001 Chevrolet... | Answered on Apr 08, 2014

Not the igniton switch, its the ingition cylinder and or the housing. The switch is not part of what you are really turning. It's connected to it via gears. The common problem is the key gets worn out and the tumblers wear also. Eventualy they do not line up right and will not make the "bar" drop in the cylinder to allow it to turn from the off positon. If you have the title in your name and the key has never been rekeyed or the code has been changed you can go down to a dealership with all of the info for the truck and they can cut you a key from the vin number. You can try that first before you put a cylinder and housing in it.

2001 Chevrolet... | Answered on Apr 08, 2014

Problem is usually a stuck or faulty blend door motor under the dash.
The blend doors direct air thru the heater and ac evaporator as well as the vents.

2001 Chevrolet... | Answered on Apr 08, 2014

Their is a switch on your emergency brake pedal that deactivates the lights, when applied. Maybe loose

2001 Chevrolet... | Answered on Apr 01, 2014

One of two issues are typical. Either a bad wheel cylinder(s), or a bad Master Cylinder. The sponginess is caused by air or some other contaminant in the hydraulic fluid. It's intermittent because the more often you use the brakes, the hydraulic pressure is built up. If you pump the brakes before stopping, the sponginess will be less. Check all brake cylinders, and Master Cylinder, and possibly a complete Brake system fluid flush.

2001 Chevrolet... | Answered on Mar 31, 2014

I highly doubt it, those days are long gone. You would have a check engine light if it were running that poorly.

2001 Chevrolet... | Answered on Mar 24, 2014

It sounds like it has jumped time. What year is the car and how many miles. Timing chains can go bad as early as 70,000 miles

2001 Chevrolet... | Answered on Mar 22, 2014

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