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    Battery or electrical.

    I bought a brand new battery and it seems to not have changed at all. Battery boltage on the gauge begins to drop when reaching 2000 rpm's. At night I can see my lights to dim a little bit and if I keep acelerating I get the battery light on the message center screen. Could it be alternator...
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    Battery or electrical.

    I did tried a new battery. But wasn't actually new. It's like 2 month old battery from a 03 suburban. But it was a dead battery. I tried to jump it but my Denali didn't stay running. Maybe it's completely dead. I will get a new battery possibly tomorrow and try it
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    Battery or electrical.

    2002 GMC Denali I recently found an issue with my vehicle The past 3 days I have been driving at high speeds. I noticed when acelerating hard the battery volts gauge drops. And the lights on dash start flickering. The radio turns on and off. Battery light comes on. After a stop or red light...
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    Dashboard Mile issues?

    Recently my friend bought a 2003 Chevy Tahoe z71. He was told it has 157,xxx miles When I looked at it saw the dash showing "ANNUAL LOG: 157,xxx MI" I'm not sure if it is the actual mileage. I cannot change it using the dash reset button
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    Motor mounts?

    2002 GMC Yukon Denali Need to swap the motor mounts but I am unsure which one is the best or the ones that won't fail for a long time. Rockauto has original AC Delco And there are cheaper ones too. Also local AutoZone has some
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    Yukon Denali 02's

    I will replace all 4 just to make sure.
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    Yukon Denali 02's

    According to my scanner one is "bank 1 sensor 2" and the other one is "bank 2 sensor 2". So it's the sensor 2 on both banks
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    Yukon Denali 02's

    Hi. I had check engine for a while. It is now to get the O2 sensors fixed. I have the codes P0141 and P0157 sometimes one comes before the other one. Anything I should check before replacing them ?
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    Yukon Denali. T-Case leak

    It is still leaking. And I filled it up untill it came out of the fill hole. Even if I overfilled it a little bit. It should have stopped by now. I been driving it every day for over 60 miles and keeps leaking every time
  10. D

    Yukon Denali. T-Case leak

    Its leaking from the little black end cap on the hose that goes to the front differential. It is attached on the driver fender and it's leaking to my suspension and getting it all over the place
  11. D

    Yukon Denali. T-Case leak

    It was upright the whole time. But I did replaced it with synthetic oil. I will try to get the new vent for it. And see if it helps. Thank you for the reply
  12. D

    Yukon Denali. T-Case leak

    Cleaned the hose and everything. Did a diff oil change and drove it about 30 miles at 70MPH and still leaking from the breather hose
  13. D

    Yukon Denali. T-Case leak

    I have a 2002 yukon Denali. I noticed my front differential leaking from the driver side to my suspension to the ground I saw the vent tube leaking. This never happened before. Any ideas?
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    What's causing this?

    Thank you for the replies. I will get a new belt and inspect my motor mounts
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    What's causing this?

    2002 Yukon Denali. I recently had a AC belt tensioner rattle. It was bouncing and I decided to replace it after removing the old one I could see that it was rubbing against a bolt. That holds the steering idler arm braket I installed a new one and drove for 2 days and it is still rubbing...
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    Air ride conversion.

    I have a 2002 Yukon Denali. Rear shocks are shot. And air compressor is rusted and never seems to turn on. Service air ride control light is on. I was looking to replace the air ride and found a conversion kit at RockAuto Will it work? Any other suggestions for a smooth ride?
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    Exposed wires.

    Recently found 2 exposed wires under my 2002 Yukon Denali I still haven't found where they connect to They came out from the same harness as the fog light wires come from . One is light green with black stripe and the other one is brown
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    Headlight harness melted

    I recently purchased a 2002 Yukon Denali It has a few issues. I cannot seem to find the problem. The passanger side headlight does not turn on when it's on high beam. Also the horn does not work. And side mirrors do not move. I have checked every single fuse and they are all good. I got...
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