1990 Nissan Truck cranck shaft bearings

Tiny
ROBBIE37
  • MEMBER
  • 1990 NISSAN TRUCK
  • 4 CYL
  • 2WD
  • MANUAL
  • 201,000 MILES
What would be the next stage of bearings after standard bearings?.25.50, or.75.
Sunday, October 19th, 2008 AT 10:37 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,
it will be.25 under size. You will have to get the crank ground and your machinist will be able to order the bearings to suit.

Mark (mhpautos)
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Sunday, October 19th, 2008 AT 11:04 PM
Tiny
ROBBIE37
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  • 2 POSTS
On the number 4 piston rod, the rod and cap bearing slides side to side. But thats it. Has no other movement than that. What could cause that?
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Monday, October 20th, 2008 AT 12:55 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
You will have side clearance, but if the journal and bearing are badly worn you will have excessive slop, you will have to measure the journal and do an oil clearance check and let me know how much side movement there is.

Mark (mhpautos)
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Monday, October 20th, 2008 AT 5:30 PM

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