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  1. 2007 Denali XL

    2007 Yukon XL - Rear Main Seal - Seeking Mechanic.

    Hello Everyone, After 5000 miles of successful driving since I replaced the transmission the rear main seal is shot !!! I had the transmission done by the dealer but they are saying that the main seal is not covered by the warranty, which is highly frustrating to say the least. I am looking...
  2. 2007 Denali XL

    2007 Yukon..Common places to check for coolant leak.

    Hi, 2007 Yukon XL dropping coolant on to my drive after average driving conditions. Any advice on where to look, the pool on the ground is just inside the nearside front wheel. Thanks in advance
  3. 2007 Denali XL

    How do you tell if the main beam bulb has blow.

    Hi, I've lost my main beam, both headlamps. All other lights work fine, including high beam. Check fuses/relays noting doing there so pulled the bulbs. My question is how do you know if this is blown, both main and high beam are delivered from this guy and high beam works great. Help please...
  4. 2007 Denali XL

    Performance Spark Plugs and HT Leads

    Hi I have 2007 Yukon Denali XL with 140K and I want to replace the plugs and HT leads with high quality / performce parts. Does anyone have a recommendation please?
  5. 2007 Denali XL

    Dying on idle.

    My 2007 Yukon XL (145K miles) has just returned with a brand new transmission after sitting for 3 months. Transmission is working well but there is another issues I am trying to work out. After driving the car for about 30 mins (up and down hills, I live in the mountains), I park the car for a...
  6. 2007 Denali XL

    Replacement Transmission - Need Recomemdation

    Hi, I am about to replace my trans on my 2007 Yukon XL and I am looking fir a recommendation on where to get one from. Any suggestions or links to other posts on same topic welcome
  7. 2007 Denali XL

    Powered Tail Gate failed

    Hi, My powered tail gate door does not work, when I press the button on the remote the motor does kick in but it does not raise the door so I have to open it manually. When opening it manually I need to pause once it has opened a little bit and then it clunks and I can then open it the rest of...
  8. 2007 Denali XL

    2007 Yukon Denali XL Transmission Failure

    Hi, I am trying to diagnose this transmission issue and would welcome any advice or pointing to other threads with the same issues. Symptoms. Driving on Freeway and noticed that the car was having what I think was slippage when accelerating. Got to my destination and left the car for a few...

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