Question about 2000 Buick LeSabre

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Buick oil pump

It seems as if the engine has seized. Can replacing the oil pump "help" in way. Will oil be pumped until the frozen parts get lubricated and move as advertised??

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  • Contributor
  • 14 Answers

Unfortunately not

Posted on Mar 25, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

daves944
  • 1050 Answers

SOURCE: Buick Regal dying

You have a problem in the fuel pump relay circuit for sure then. I'm betting the relay, but it could be that dropping resistor.

Posted on May 11, 2009

  • 341 Answers

SOURCE: How to change a water pump on a 1999 Buick Century 3100?

the water pump on the 3.1 isnt to hard to change ...

  1. Disconnect the negative battery cable.
  2. Partially drain the cooling system into a suitable container.
  3. Remove the drive belt guard.
  4. Loosen the water pump pulley bolts before removing the drive belt. This should help keep the pulley from turning as the bolts are loosened.
  5. Remove the drive belt. Remove the water pump pulley bolts and remove the pulley.
  6. Remove the water pump bolts and separate the pump from the engine front cover.

Posted on Dec 09, 2008

  • 106 Answers

SOURCE: 2000 buick lesabre - water pump replacement

first disconnect the battery then check how the serpentine belt is lined up so u can take it off and put back on. Then the pump should be on the side of the motor with 9or12 bolts there could be more! after taking out take razorblad and skrap the old gasket clean wipe of then put new gasket and pump back on dont over tighten the screws cuase the pump my be aluminum.

Posted on Mar 19, 2009

  • 135 Answers

SOURCE: oil pump change

take long bolts out that run thru motor mounts ,jack in front of motor all bolts in oil pan out, remove oil pan and then remove oil pump, replace new pump ,torque to specs, replace oil place with new pan gasket , bolts back thru mounts and ready to go, hope to help, thanks robert b.

Posted on Jul 06, 2009

canbruce75
  • 1776 Answers

SOURCE: install water pump on 3.1 buick engine

Visit the autozone.com website and register the car information. It doesn't cost anything and you will have access to an online repair manual for the car. The steps for replacing the water pump should be available there. It's a handy resource. Hope this helped and best wishes.

Posted on Sep 12, 2009

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I have a 2007 Buick 3.8 ltr engine and the heat is higher than ever in the interior. But the gage says cold the hoses are not that hot although the upper rad hose is a little warmer than the bottom hose


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Have you checked for voltage at all those locations you changed parts or checked?Have you checked for voltage back at the pump?Have you checked the ground for the fuel pump?Also,other than the priming cycle,fuel pump voltage runs through the oil pressure switch when the engine has oil pressure.
You could keep cranking the engine until you have oil pressure and the pump may just start on that circuit,

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