2004 GMC Sierra "blow oil" Questions

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Why my oil pressure raises while idle, then falls when engine is reved also keeps blowing fuel pump fuse Likely electrical issue or bad fuel pump which draws excessive amps when reving up thus blowing

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Question about GMC Sierra

1 Answer

...blow is because the harness is grounding/shorting. === DO NOT drive the truck until you change the oil pressure switch. After you change the switch,you should spend sometime to inspect the wiring ...

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Question about GMC Sierra

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...oil dipstick out Sounds like your piston rings are bad causing excessive blow-by ...meaning your power is going around your rings and building massive crank pressure and using your dip stick housing ...

Question about GMC Sierra

1 Answer

antifreeze goes in oil That sounds like to me that you probley have a blowed head gasket.that is usally what happens.If when you pull the dip stick and your oil looks milky, than that is mostly likly ...

Question about GMC Sierra

1 Answer

...the heads are sealed and blow out the rings on the pistons. This causes burning oil (smoking) and oil leaks, because the compression is blowing in the crank case. Add about 4 hours to do both ...

ll need to clean every thing off to find where it originally started,the wind going under the truck blows it all back,did you use silicone on the corners in the front where the gasket material gaps.if

...for the fourwheel drive is on that side it might be plugged that is where i would start look to see if the axle is full of oil if not i bet that is the problem. Find the vent hose and blow out with ...

oil, 80 or 90 weight. This leakage will ruin your brake pads, and if enough leaks out, your rear differential will blow. The seals aren't expensive, but it's a lot of labor to pull everything apart to

...any leaks in the radiator itself but not for sure. Any advice? Thanks could have a cracked head and blown head gasket blowing water out the exhaust check the oil. if it is overfull or milky, do not ...

Question about GMC Sierra

1 Answer

oil filter blows off old truck - 95 4x4. sits more than it should. warming it up and oil pressure drops to zero and the filter is laying on the ground. check that the correct oil filter is being used

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