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2008 5.3 Hard knock on cold startup
I haven’t had time to get back and plug the scanner in yet. There were no check engine or service lights on. I think I’m just going to look for something else with the 6.2 engine on one that’s had the dod removed already. I’ll let you know if I do decide to check with the scanner. I guess if...- ace16a
- Post #6
- Forum: Engine & Drivetrain
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2008 5.3 Hard knock on cold startup
Wife and are a looking at a 2008 Suburban Z71 with the 5.3 engine and 175,000 miles. When we first started it up, it had a really bad knock like the engine was going to jump out of truck. It stopped after 20-30 seconds and then ran smooth but had a very faint knock low on the passenger side of...- ace16a
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- Replies: 9
- Forum: Engine & Drivetrain
