1997 Nissan Patrol/Safari engine valves

Tiny
ROBERT PIERA
  • MEMBER
  • 1997 NISSAN PATROL/SAFARI
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 210,000 MILES
What would cause inlet valves to gum up in the valve guide and cause the pushrods to jump out from under the adjustment screw on the rocker
Monday, July 19th, 2010 AT 6:58 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Incorrect valve stem running clearance, over lean mixture causing the valves to run hot and expand causing tight clearances, these are often the main reasons.

Mark (mhpautos)
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Monday, July 19th, 2010 AT 7:06 AM

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