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How to replace oil pump on 1999 gmc 1500 4x4 - 2000 GMC Sierra

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Posted on Jan 02, 2017

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SOURCE: i need to replace oil pump on 1999 gmc jimmy 4.3

First off i would just like to say ......... you poor poor person... if it is the 2wd version yes you will have to remove the engine. If it is 4wd it is a pain in the **** but it can be done i just did it on mine recently. If it is the 4wd version you will need to take out the front differntial housing and remove the motor mounts to raise up the engine with a jack. So you will have to remove the wheels and such to do all of this. You will need a pickle fork and a 36mm axel nut remover socket. After you take out the differential housing you will need to remove the sway bar otherwise the oil pan wont have the clearance to come out. It is a total pain to do. But with patience it can be done. Good luck i hope you get it done.Oh and you will have to take the starter off also which is no biggie~

Posted on Jun 07, 2011

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SOURCE: gmc sierra 1999 replace oil pump still oil

Hi Sir i would suspect that its not your oil pump but the oil pressure sensor is the problem. have it check or i would say replace it since your oil pump is new.Thanks.

Posted on Feb 10, 2011

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