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2017 YukonXL Denali 6.2
Thanks for the tip. Checked around the heater core hoses. Don’t see anything obvious. There is insulation on the fire wall could be leaking in behind. Hoping to hold on to this truck a while longer. Only has 166K. No rust. Been running a range module from day 1.- Ang Lom
- Post #3
- Forum: Engine & Drivetrain
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2017 YukonXL Denali 6.2
Was wondering if anyone has the book time for a passenger side head gasket on my Yukon L86. I’m in Toronto. Was under my truck changing out TBV on my 8L90. Used a Transgo bypass kit. Saw coolant drops on my transmission cooling lines over on the passenger side. I looked up and can see a drop...- Ang Lom
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- Replies: 4
- Forum: Engine & Drivetrain
