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Auxiliary fuel pump

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Old May 28, 2016 | 10:10 PM
  #1  
lgrant's Avatar
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Joined: Jul 2010
Posts: 93
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From: Reno, NV
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0L
Default Auxiliary fuel pump

1996 Country 273K

Great vehicle - engine runs very well and has good oil pressure. I probably would notice improvement with a valve job. Only mod to the engine is the later fuel injectors with the 4 ports instead of 1. Really didn't see much improvement. Maybe a little better around-town fuel economy.

I can hear the fuel pump whining - that's probably the next thing to be replaced. And I've read about how changing out the fuel pump can be a nightmare and, accordingly, I am wondering about adapting an external pump (with the appropriate pressure range) and skip the trauma.

Anybody ever do this?

I thank you in advance.
Larry
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Old May 28, 2016 | 10:50 PM
  #2  
Bustedback's Avatar
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Joined: Feb 2010
Posts: 12,367
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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Just replace it with a new in tank pump, it's not that hard to do. Just make sure the tank is below a quarter tank so you don't get gas in your armpits.
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Old May 29, 2016 | 06:49 AM
  #3  
andrewmp6's Avatar
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From: Louisville,KY
Model: Cherokee
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Yeah drive it tell its almost empty and removing the tank with a floor jack isn't that hard,Its only hard when the tank is full but even then its not that bad.If you did run a 2nd pump when the first one dies the 2nd one won't have any fuel so won't really do you any good.
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Old May 29, 2016 | 12:28 PM
  #4  
Bustedback's Avatar
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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No need to drop the tank on a 96, the pump is at the front of the tank.
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Old May 29, 2016 | 11:21 PM
  #5  
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From: Louisville,KY
Model: Cherokee
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Hell thats even easier then.
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