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GM 6.2l Coolant in oil
Posted to Technical Discussion Forum on 10/4/2016 5 Replies

I have this 6.2l with coolant in the oil, failing a block test, and white smoke on startup for about 2-3 minutes. I just tried to drain the oil, and found about a pint of dexcool coming out first, so it's not mixing yet.

Are these notorious for porous blocks... Login to read more.

5 Replies Received (View Replies)

 

car Vehicle Data

2007 GMC Yukon XL 1500 Denali 6.2L

VIN 1GKFK668X7
Engine6.2 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2007 GMC Yukon XL 1500 Denali 6.2L

VIN 1GKFK668X7
Engine6.2 L
Trans6-speed Automatic (Electronic)