20 Most Recent 2001 GMC Sonoma Extended Cab - Page 8 Questions & Answers

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Fan does not work in position 1 2 3 works great in

From the scenario that you have just described; more than likely your blower motor resistor pack has failed. On the highest setting, the blower motor will have no resistance from the resistor pack allowing the motor to turn the fan at full speed; however, on the lower speeds, the different resistors are what create your different speeds by varying resistance in the electrical circuit.
6/15/2010 5:49:20 PM • 2001 GMC Sonoma... • Answered on Jun 15, 2010
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My oil pressure gauge is fluctuating

Sounds like it could be the oil pressure sending unit. I believe it's at the back of the intake manifold, on the driver side.
6/3/2010 8:21:54 PM • 2001 GMC Sonoma... • Answered on Jun 03, 2010
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ABS activates at 13 down to 8 Km/h. Causing slow

abs works down to 8k so that under 8k you can get a wedge of snow to help you stop.simple answer is DONT BRAKE SO HARD....
5/25/2010 6:53:42 PM • 2001 GMC Sonoma... • Answered on May 25, 2010
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Where is the flasher module on a 2001 Sonoma?

There is a multi-function switch in the steering column which controls the flasher module.The flasher module is located in the back of the glove compartment. In the flasher module there are Three relays.They are behind a piece of plastic labeled "Relay Access" You will need to use a screwdriver to pry the bottom tabs of the plastic to pull it out. You will see three small black cubes. Those are your flasher relays. You can get those relays at any car part store. Thanks.
5/23/2010 11:13:02 AM • 2001 GMC Sonoma... • Answered on May 23, 2010
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How do i remove and install and new u-joint on a

Please go to the web link for instructions with detailed photos.

http://flashoffroad.com/Maintenance/Ujoints/Ujoint.htm
5/13/2010 4:10:19 PM • 2001 GMC Sonoma... • Answered on May 13, 2010
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I have a 2001 gmc sonoma 4.3 replace brake lines

a special tool is required to hold the ABS hydraulic control unit popit valves open during bleeding of the brakes, without this special tool you will not be able to get the air out of the system, most good brake shops have this tool or of course the local Chevy dealer or GMC dealer. I am a dealer tech and know this information is correct..
5/12/2010 4:08:41 PM • 2001 GMC Sonoma... • Answered on May 12, 2010
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I have a 2001 GMC Sonoma 4.3L that stalled while

SOUND LIKE FUEL PUMP BAD. CHECK FUEL PUMP RELAY AND FUSE.MAKE SURE YOUR ENGINE IS NOT OVERHEATING.SCAN IT FOR IDLE SPEED CONTROL AND ENGINE COOLANT TEMPERATURE SENSOR FAULTS.
5/12/2010 3:01:28 AM • 2001 GMC Sonoma... • Answered on May 12, 2010
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How to replac ea driveshaft center support on a

easiest way is to remove the whole assembly and take it to a machine shop, the bearing is pressed on
5/10/2010 1:37:14 AM • 2001 GMC Sonoma... • Answered on May 10, 2010
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The front of the truck looks like the driver side

This truck has torsion bars to set height, Take truck to alignment shop.
5/9/2010 6:42:23 PM • 2001 GMC Sonoma... • Answered on May 09, 2010
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Starting problems

your electronic control module (brain) could be bad.
5/9/2010 10:27:11 AM • 2001 GMC Sonoma... • Answered on May 09, 2010
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I HAVE A 2001 GMC SONOMA WITH 2.2L, AND IT HAS A

The HI side should be well into the 200 range.
My only question is why your here,when two shops seem to be on their A game.
Does the compressor pull down and cycle off,when watching the low side? Or just run all the time.
Did they jump the switch,to force it to run?
If the compressor failed,lets hope it didn't trash the system.
I always flush everything regardless.
Most likely the compressor went in some fashion.
5/5/2010 10:58:22 PM • 2001 GMC Sonoma... • Answered on May 05, 2010
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2001 gmc sonoma while operating

sounds like a bad or lose wire. you will need to do a "wiggle" test as commonly reffered to in the automotive repair industry. as with everything on you will need to wiggle harness's that are suspected of fault. and that is were the experince comes in. no it would be impossible for me to help there. but if i was you i would check all the fuses first for tight and proper connection. then go on to the wiring for the radio and blower motor. where they should be in the same loom that runs the lenth of the dash board. from right to left. driver to passangers. once you have located the harness with the fault you will need to open it up and inspect for damaged wires. this is not a common thing for this car so there is no place i could tell you i have had problems before. but i can say is to look over any after market equipment that has been installed like a alarm/remote statrter and or radio. these are a common cause for electrical fault's in my experince. let me know if you have any more questions or anything to add.
4/20/2010 9:18:57 PM • 2001 GMC Sonoma... • Answered on Apr 20, 2010
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WHERE DO I PLACE THE ANTI FREEZE OR COOLANT

There is a raidator cap that can be unscrewed when the engine is cold fill this to the top then there will be an overflow bottle and it will say engine coolant on the cap, fill this to the full mark and you should be on your way :)
4/7/2010 11:51:11 PM • 2001 GMC Sonoma... • Answered on Apr 07, 2010
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Starting problems

With a voltmeter or test light can you check for power at the fuse block? There should be power to some of the fuses like ignition or radio, cigarette lighter. If not then check directly at battery. Some cars have fusible links between the battery and all loads, I don't know yours.
4/1/2010 4:04:26 AM • 2001 GMC Sonoma... • Answered on Apr 01, 2010
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I have a 2001 sonoma which is running high on

The radiator might be clogged. Take it and have the system flushed out,and back flushed, that will tell if there is a clog somewhere. If the radiator is too clogged, it will need to be replaced.
3/28/2010 12:45:23 AM • 2001 GMC Sonoma... • Answered on Mar 28, 2010
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How do i know if brake booster is gone ? 2001 gmc

Do you by any chance hear a hissing noise from under the dash? If so, yes, you have a bad booster. For it to do what you're saying, it would almost have to have a vacuum leak. However, if there is a problem with something in the ABS system, you should have an ABS warning light on. Also, ABS can make the pedal fade, but I've never heard of it making the pedal hard. Your diagnosis of a brake booster does sound likely, but I'll admit I can't be sure -- this is an odd one.
3/10/2010 3:26:02 AM • 2001 GMC Sonoma... • Answered on Mar 10, 2010
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01 Sonoma 2.2 M/T - new starter, relay - hard to

Check if the cable connecting the battery are clean and tight, check that this tight the negative cable on the engine as the positive lead going to the starter because if there are loose good contact and is difficult to start. Thanks
2/28/2010 3:43:53 PM • 2001 GMC Sonoma... • Answered on Feb 28, 2010
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