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How to fix oil pump on a 2006 chevy truck 2500

Truck loses oil pressure when idling

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You need to drop the oil pan and check the pick up tube and screen and O-rings. While you are in the process, check the crank shaft for signs of bad bearings. There is a TSB out on this issue and the most likely cause is the o ring on the pick up tube. When you put the pan back on, you need to use a new gasket and make sure that the surfaces are clean. ATV is not a recommendation and also be sure to not over tighten the pan bolts.

Posted on Nov 13, 2014

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Posted on Jan 02, 2017

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Losing oil pressure..... already replaced oil pump, head gasket, rod bearings, thermostat, what could make this happen


so , what is engine size, they have many.?
what is the pressure, you never said,?
and did you look it up in the FSM, the books can be free.?
ask.

what weight oil. 10w30 or 0w ?
1;:what is cranking pressure. (spark defeated cold)(i get 55 1.6L)
2: what is cold idle pressure?
3: what is hot idle pressure?
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with these facts we can answer.

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2006 chevy 2500 express cargo van .What is a good oil pressure for this van. it has 150,000 miles runs great


60psi cold / 30-45psi warm is ideal. I've seen (with that mileage) 45 cold/ 20 warm and that's acceptable - anything less start thinking about a new oil pump.

Mar 24, 2011 | 2006 Chevrolet Express

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Have a 96 chevy cavalier. replaced IAC,fuel pump assembly, fuel filter, tested and adjusted TPS but still haveing problem with car shutting off after about 30 mins of driving. Also once "warms" up during...


If your oil pressure gets to low it can turn off the fuel pump. This may also have saved your engine. The ECM turns on the fuel thru the fuel pump relay for about 5 seconds. When engine is running oil pressure sender supplies the voltage to the pump. When engine shuts off check oil pressure and voltage to fuel pump.

Jun 19, 2010 | 1996 Chevrolet Cavalier

1 Answer

2006 chevy silveado 2500hd 6.ol 92,000 miles no oil pressure!


Oil pressure is created by the oil pump, the main bearings and cam bearings. If these bearing are worn, excessive clearance, you will lose oil pressure. The rattling could be a rod bearing or wrist pin. You could try installing a "wet gauge" and check the oil pressure against the OEM specs, at different RPMS.

Mar 08, 2010 | Chevrolet 2500 Cars & Trucks

1 Answer

Engine knock hard over 2500 rpm


Does the oil light come on or the knock occur during the engine warm up after a cold start?
There could be a couple of problems causing the issue. You could have an oil pressure pump or pump pressure regulator sticking. I would have a mechanical oil pressure gauge installed and verify oil pressure at idle and 2500 rpms to make sure oil pressure is in normal ranges.
You could also have excessive piston rod bearing, crankshaft bearing or cam shaft bearing wear that will cause oil pressure to drop too low to prevent the rod knock your hearing at 2500 rpm.
You said a knock and not a ticking noise,so I don't believe a lifter is the issue at 2500 rpm.
Start with the oil pressure check and go from there.
Let me know.
Regards,

Aug 22, 2009 | 1996 Dodge Stratus

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Low oil pressure on 2001 Suburban


your oil sensor comes on at less than ten psi, you may have internal engine damage how many miles on engine, any gum up inside engine, you can try to put on a high pressure high volume melling oil pump to try to help for the time being, but you may need to have it torn and repaired.

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