- Joined
- Jun 13, 2013
- Messages
- 3,084
On some engines, when the timing chain breaks it kills the engine (breaks valves and dents piston heads). At nearly 70K I would replace the timing chain, and put a better oil and filter in.
My Dad's dealer puts in Quaker State UD, not the GM house brand.
My Dad's dealer puts in Quaker State UD, not the GM house brand.
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