2000 Yukon Fuel Pump?

[UNGN]

The fuel pump on my wife's 2000 2500 Yukon XL whines louder than my 4 year old.

Who has replacement fuel pumps and what else do I need to replace it?

 

[JRSGN]

I have the same problem with my 2000 GMC sierra. Was wondering the same thing.

Jim

 

[1of1035]

When I worked for chevy we used to replace alot of pumps for that same complaint. We finally called the GM tech support line and they said its a normal condition for the pumps to be that loud. HTH

 

[TurboJim]

Put "dynamat" on the tank where it comes in contact with the trucks chassis. Should take care of a lot of it.

 

[Tony sy2356]

When is the last time the fuel filter was changed? Typically a new filter will quiet the pump down a fair bit.

Tony

 

[UNGN]

Originally posted by Tony sy2356
When is the last time the fuel filter was changed? Typically a new filter will quiet the pump down a fair bit.

Tony

I changed the filter about a month ago. It didn't have any effect on the noise. I thought that might be the case, but it wasn't. It actually sounds louder after the filter. More of a high pitched buzzing, than a bogged down rumble.

 

[chevyII]

pumps

The reason the pumps are so loud is that they run at 60psi or higher. If you were to pinch the return line the pressure would hit 150 in a second. I dont understand GM or the other car man. as they put huge pumps then regulate them down to 60psi. By the way thats why they die 5 times as much as 5 years ago. My 16psi pump is still going strong at 200,000. By the way some new cars trucks are not even using regulators they are using a variable ground in the ECM to contoll pressure. Im sure glad I got out of the buissiness in 96 as all the crap on the new cars is cool but the labor prices are and will have to reflect that soon.