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Forum: Diesel Discussion

10-03-2012, 02:24 PM

Replies: 31

Ever heard of PLASTIC Wheel bearings?

Views: 4,347

Posted By vstech

Hmm. I've found several VP's that had missing...

Hmm. I've found several VP's that had missing cages, and all balls were present in the pump, and it had not failed yet.
I'm going with the plastic fails from the hot engine oil, and the balls then...

Forum: Diesel Discussion

10-03-2012, 12:40 PM

Replies: 31

Ever heard of PLASTIC Wheel bearings?

Views: 4,347

Posted By vstech

... are you serious? the cage fails, and the...

... are you serious?

the cage fails, and the balls all group together, then the wear from that lets them jump out of the race, and into the engine...

this is why inspection of the vacuum pump...

Forum: Diesel Discussion

10-03-2012, 12:28 PM

Replies: 31

Ever heard of PLASTIC Wheel bearings?

Views: 4,347

Posted By vstech

the cage on the bearings on the MB vacuum pumps...

the cage on the bearings on the MB vacuum pumps are plastic... and they fail taking out the engine!!!

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