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2001 GMC Yukon XL 2500 Questions

Get answers to questions about your 2001 GMC Yukon XL 2500 at RepairPal. Find solutions, diagnose problems and get back on the road.

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7
questions

I have dried out fuse boxes, electrical plugs and checked the ECU. The water also filled the floorboards inside, just in the front. I purged the water from the cylinders and drained the oil. Vehicle will start but will only run for a couple seconds and then shut off. I need help to figure this out.

My 2001 yukon danali xl is having brake troubles. When I actually push the brake its fine. When I hit the gas it sticks. A burning smell is coming out of the front passenget side tire. Whats really scary is when I parked today I looked at the btire and the brake was glowing red. Whats the problem?

i have 200,000 over on my yukon i bought it used and the owner said it might need a new cluster cause everything jumps up and down like somthing is lose i replaced cluster and checked for lose wires whats wrong with it

i replaced my fuel pump cause i thought that was the problem i can hear it much better now but not getting gas i took lose filter to check gas flow t=and there is none even when turning the switch

back a/c is not working correctly blowing vent air while a/c is on

2005 used to haul 35oo lb trailer,2000 miles past 2 weeks.
Toward end of trip harsh upshift despite mild acceleration, in nuetral no load, idle speed increased to 1100rpm without foot on throttle. After key shutdown for gas stops, idle RPM recovery to normal idle 800, normal shifts. Recurred again once since in subsequent 8 hrs of operation, now normal, no service engine light ever came on! thoughts? No other mechanical issues, unit has 55000 miles service per manual, Trans fluid pink, never overheated, Trans fluid recenlty replaced at 50000
Thoughts?? Throttle body failure eminent, if so where to find repair instructions.

WHARE DO I FIND THE SRCONDARY AIR INTAKE CHECK VALVE, IF CLOUGED DO I CLEAN OR REPLACE?