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The Mystery may be Solved
The mystery may be solved. Hatterasguy is probably correct. Thank you!
The oil pan was removed and a large piece of metal, along with numerous metal fragments, were found in the pan. Apparently, one of the bolts loosened that attaches the vacuum pump “roller-coaster” plate to the injection timing gear. There was damage to the vacuum pump, radiator fan, upper chain guide rail and valve cover. The vacuum pump damage was not initially discovered because pieces exited the bottom of the pump.
Attached are photos with descriptions below. Any other suggestions as to why something like this would occur will be helpful.
# 809: Bottom of vacuum pump removed from engine
# 810: Valve cover removed from engine
# 813 Fan blade
# 802 Destroyed vacuum pump along side replacement pump
# 807 Piece on left found in oil pan with other metal pieces. Bent bolt from plate
attached to timing gear
# 811 Replacement timing chain gear with plate attached by 2 bolts
# 814 Vacuum pump removed from engine. Note missing bolt top left of plate
on timing gear. It can be viewed in photo #807
Please see photos in next post.
Larry Campbell
1981 300SD (240K)
1979 300SD (325K)
1982 Chevy 1/2 ton P/U 6.2L diesel (202K)
Last edited by Topspin; 06-08-2006 at 01:56 AM.
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