why would i loose 3 valves in #5 cyl 16000 mi. i took good care to oil regularchange

Asked by Dec 12, 2014 at 05:49 PM about the 2003 Dodge Ram 2500 ST Quad Cab SB

Question type: Maintenance & Repair

3 valves in #5cyl .broke  and ruined the head & piston

2 Answers

18,855

What type engine? The 4.7 is notorious for inadequate oil passages, and I don't think the 5.7 was much better. Lots of valve train noise and short lived timing chains. Sorry to hear about your bad luck.

7,470

Sounds like a timing chain broke .... On some OHC engines the valve collides with the piston

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