1999 Jeep Grand Cherokee "tell oil pump bad" Questions

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...oil pump replaced per mechanics recommendation. didn't help won't hold pressure---only registers about 2. now they tell me i need a new motor!!! just bought vehicle less than 1 yr ago...had carfax ...

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Question about Jeep Grand Cherokee

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...tell you to replace the oil pump. 99% of all pumps do not fail by themselves. Replacing the pump will often raise pressure for an hour or so but the problem will shortly return. The cause is a worn ...

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Question about Jeep Grand Cherokee

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...or oil pump? oil pressure sending unit,did you by chance change to synthetic oil ? Limp it back, CAREFULLY (as low RPM as you can)! Tell them to fix it right!! Too much OP is as bad as too

Question about Jeep Grand Cherokee

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...oil pressure and will tell you a lot about the condition of your engine! I have never seen a valve job that corrected any oil pressure problem. I mistrust anyone who would even think that!!! Mlinimum ...

Question about Jeep Grand Cherokee

9 Answers

oil is white looking on the dip stick, you will have serious damage inside the engine. I had a bad water pump at about 90K miles and was losing coolant. After I changed it, all was well again. I had a

Question about Jeep Grand Cherokee

1 Answer

...oil, you just need to reset it but has nothing to do with the no start, you will need to test for fuel, have someone bang on the bottom of the fuel tank while you try to start it, the most common ...

Question about Jeep Grand Cherokee

2 Answers

an inch. One preliminary diagnosis would be coolant in the oil ( white milky stuff) or moisture on the cap where you add oil. A compression test will also tell you that the head gasket may have failed

Question about Jeep Grand Cherokee

3 Answers

...tell them what you've told us. It is their fault and if there is engine damage, they need to fix it. I currently have a 1990 Jeep Cherokee that has a bad oil pump. From a cold start there is no noise ...

Question about Jeep Grand Cherokee

1 Answer

...oil pressure. or the engine overheated or just bad luck. what seized, cam , crank or rod bearings. the machinist will tell you for sure what failed. the pump or low levels. push rod engines. the rear ...

...oil pump pickup screen. Any knocking inside the engine tells you there is a bearing problem...really doesn't matter which bearing it is, likely all are worn and will need replacement, or engine needs ...

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