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
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Monday, July 19th, 2010 AT 6:58 AM

1 Reply

Tiny
MHPAUTOS
  • EXPERT
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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