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Car Forum / Chevrolet / Chevrolet Trucks / December 2007Oil pressure
I just bought a 2000 suburban 6.0 and when I start it the oil pressure stays at 0. until i step on the gas. Then it will go to 40psi. But every time I stop it goes back to 0. It has a new oil pump. Does anyone know what the problem could be. The first thing I would do is have a mechanical guage put on it....most likely your electrical gauge is screwed up else you would be complaining that your engine sounds like a 1000 woodpeckers on a tin roof! >I just bought a 2000 suburban 6.0 and when I start it the oil pressure > stays at 0. until i step on the gas. Then it will go to 40psi. But > every time I stop it goes back to 0. It has a new oil pump. Does > anyone know what the problem could be. On Aug 12, 10:41 pm, bigelow...@yahoo.com wrote: > I just bought a 2000 suburban 6.0 and when I start it the oil pressure > stays at 0. until i step on the gas. Then it will go to 40psi. But > every time I stop it goes back to 0. It has a new oil pump. Does > anyone know what the problem could be. Well let me tell you....I had the same problem....Chevrolet says that the oil pump was designed around the fron of the crankshaft....therefore they assembled the sump filter with oringed piping!! My engine completely locked up......and was told the only solution was to replace the oring...as this is where you loose the suction at low RPM's!! Have a qualiified Chevrolet mechanic check this for you!! I had the same thing happen on a 1990 Pontiac Grand Am I used to own. The problem turned out to be the sending unit, it would do the same thing in going to 0 or almost when stopping in traffic then going up to 40 or so when resuming speed. I don't know if that would be the issue but one possibility. >I just bought a 2000 suburban 6.0 and when I start it the oil pressure > stays at 0. until i step on the gas. Then it will go to 40psi. But > every time I stop it goes back to 0. It has a new oil pump. Does > anyone know what the problem could be. >I just bought a 2000 suburban 6.0 and when I start it the oil pressure > stays at 0. until i step on the gas. Then it will go to 40psi. But > every time I stop it goes back to 0. It has a new oil pump. Does > anyone know what the problem could be. As other posts recommend, the first thing to do is try a master guage to get the actual pressure. If this reads normal could be the sending unit (had this happen on a 90 Pontiac-had the same symptoms you mention). If the actual pressure is low could be several things-faulty pump etc. Don't want to mention it but had the same thing happen on a 77 GMC 454 and turned out to be worn main bearings-rebuilt engine and installed high volume pump with racing oil. |
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