GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

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GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat (https://www.gmforum.com/)

- 1987-1991 (https://www.gmforum.com/1987-1991-93/)

- - Fuel Pump? (https://www.gmforum.com/1987-1991-93/fuel-pump-224019/)

NiKo	10-25-2005 12:00 AM

Fuel Pump?

I just noticed today at the Wendy's drive-thru window with my window down that something sounds awry under the hood. It sounds like something turns on for maybe 2-3 seconds, shuts off, then repeats every 10-15 seconds or so. Is this the fuel pump? I can't seem to be able to tell.

Damemorder

10-25-2005 12:02 AM

A/C compressor?

NiKo	10-25-2005 12:05 AM

Would there be any easy way to find out?

rjolly87

10-25-2005 12:06 AM

insert head under hood when suspecting noise is present, look down at compressor.

harofreak00

10-25-2005 12:07 AM

ELC pump?

look under ur hood when u can see it, not when ur sitting in ur car

willwren

10-25-2005 12:09 AM

Your fuel pump is in the fuel tank. Turn your AC off and see if the noise is still there.

NiKo	10-25-2005 12:11 AM

My AC hasn't been on since summer of last year. I've been needing it to be recharged so I just haven't used it. I've started using the heat today, though.

willwren

10-25-2005 12:38 AM

Your compressor runs in Defrost mode for the windshield by default.

NiKo	10-25-2005 01:06 AM

So is this not something to worry about? Is it normal?

rjolly87

10-25-2005 01:18 AM

Quote:

Originally Posted by NiKo

So is this not something to worry about? Is it normal?

if you can confirm that it is in fact the AC Compressor engaging, then yes it is normal.

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