Ticking noise and no push rod spin

1979 PONTIAC TRANS AM
136,000 MILES
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ZACHPELLETIER
  • MEMBER
  • 1 POST
79 trans am 400 big block. Been making a loud tick noise, not at idle but when i press on the gas. The fourth rocker is not pumping oil and the push rod is not spinning but the rest are. any idea?
Sep 18, 2012 at 5:04 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
the lifter should rotate on the lobe of the cam and if it does not, the push rod will not rotate. the oil feed hole may be clogged with debris or the cam or lifter is bad

Roy
Sep 18, 2012 at 6:24 PM
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