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Questions tagged [yukon]

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3
votes
1answer
133 views

2008 GMC Yukon 5.3L engine vibration at low speeds with cylinder deactivation

I have a 2008 gmc yukon 5.3L that has developed an engine vibration at low speeds with cylinder deactivation like when coming to a stop. Does not vibrate while normal low speed cruising but when ...
1
vote
1answer
43 views

High Mileage GMC Yukon hybrid

What is considered high mileage on used Hybrid GMC Yukon? I am considering the purchase of a used Hybrid GMC Yukon or Chevrolet Tahoe. Is 125,000 high mileage for a Hybrid, like a standard gasoline ...
8
votes
1answer
64k views

My rpms are going high and my mph take a minute to go higher on my GMC Yukon

When I put my truck in drive and step on the gas the RPM's go up to 3,000 but my MPH will stay at 10-15 When I let go of the gas a little bit I can feel the truck kind of pull and the RPM's will go ...
4
votes
2answers
2k views

Trouble rewiring O2 sensor harness after dogs ate it

This is a 2005 GMC Yukon 4x4 4.8 L. Ok, dogs actually ate my harness going to Bank 2 Sensor 1 O2 sensor. The connector from the body side of the wiring is completely gone. I found a connector I can ...
4
votes
1answer
3k views

2004 GMC Yukon Denali, intermittent no crank/no start/no noise

OK, it started doing this a few months back with no rhyme or reason. Before this happened, sometimes would start beeping after engine start. A long 18 beep procession. Don't know if related. When ...
2
votes
3answers
233 views

12V power disappears, inexplicably comes back when measuring voltage across battery terminals

Lately, my car has ocasionally had an issue where it completely goes black, no lights, no power windows, no cigarette lighter, and obviously no ability to start the engine; cant even get the solenoid ...
2
votes
2answers
79 views

GMC Yukon leaking coolant. Wondering where to look

Loosing coolant. When I crank car it leaks a lot of coolant, but stops when driving. If I fill the reserve up I can't see it leaking anywhere. As soon as I put it in drive it leaks like a faucet for a ...
2
votes
0answers
28 views

97 Yukon 5.7 Backfired with smoke inside the car, now idles really badly

I have 1997 GMC Yukon. 5.7 litre. I started it this morning and it sounded like a gunshot. Smoke came into the vehicle and the PCV valve and one other sensor that plugs into the valve cover(s) were ...
1
vote
0answers
57 views

2003 Yukon Climate Control Panel has no power

None of the buttons on climate control (power, fan, defrost, etc.) do anything. The red and blue on the dials is lit up but the display that shows the temp and fan speed is blank. Could this have ...
3
votes
2answers
304 views

2003 Yukon 5.3 with 278,000

At 70 mph and about 2000 rpm, I have noticed that when i lightly press on the accelerator, the rpm will rise but speed will not increase. i press a little harder and the rpm will come back down to ...
7
votes
1answer
5k views

Coolant pouring out from under 1998 GMC Yukon as fast as i put in

I filled my radiator with water and it is pouring right back out of the rear of engine as fast as i fill. It seems to be near or behind the transmission. https://youtu.be/27qV-ufMsQc How can I find ...