2002 2500HD oil pressure drop
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2002 2500HD oil pressure drop - 5/12/2007 8:09:11 AM
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Gary_Arnold
Posts: 2
Joined: 5/12/2007
Status: offline
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Gentlemen, my hunting vehicle has 270,000 miles on it. The engine still runs strong and smooth, and does not use oil to any excessive amount.
What has concerned me since I have had this truck, is the fact that the oil pressure drops from 38-40 psi when it is first started, down to about 18-20 psi when the truck is running and up to normal temperature. Now obviously, this engine has lots of wear on it. Do I need a higher volume oil pump, or should I change to a more viscous oil than the 10W-30 I have always used to compensate..... I obtained and utilized this truck thoughout the season last year, ferrying dogs and customers cross country thru ranches sometimes two or three full days a week...but I only put about 3000 miles on it last year. I need it to remain as reliable as it has been. Any suggestions to keep her running reliably for a few more seasons?
Thanks,
Gary Arnold
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RE: 2002 2500HD oil pressure drop - 5/12/2007 10:41:52 AM
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BrianE
Posts: 32
Joined: 3/31/2007
Status: offline
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I would try 20w-50 oil during summer months and a new oil pump if that don't help. I had a subaru that ran at 5-10 psi for 200,000 miles but that was a 4 cylinder. I did baja the crap out it finally the pump died and so did the car
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