bim880
Posts: 1
Joined: May 2010
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Monday May 10, 2010 15:35
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I have a 2000 that cranks and does not start with no oil pressure. This truck started off overheating, replaced head gasket and everything was fine. Within a week truck not starting, had engine oil pressure but not injection pressure replaced IPR and truck ran. Truck sat for 3 days then would not start had no oil pressure. Pan full of coolant leaking from liner O ring, rebuilt engine. Oil pump out of spec, replaced pump when doing engine. Ran good for 2 days then sat for 3 days and would not start with no oil pressure again. Pump had some scoring replaced again as well as pressure valve behind front cover and valve behind oil cooler, blew through all oil passages and truck ran fine for 3 days at shop. Sat for 3 days again and won't start again due to no oil pressure. Now we have checked pick up tube tried another pump and pulled pan to verify bypass valve behind cover not dumping oil into pan and we still don't even have enough flow to fill oil filter.
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