1999 Buick Park Avenue sloshing noise behind dash

Tiny
MDGIBBONS
  • MEMBER
  • 1999 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 175,000 MILES
I have a 99 Buick Park Avenue that makes a sloshing noise behind the dash when you accelerate the engine, even in neutral. What could be some of the possibilities?
Monday, September 7th, 2009 AT 2:48 PM

2 Replies

Tiny
CRZYDRVR
  • MEMBER
  • 432 POSTS
Has the coolant level been checked? If it is low, the noise could be comming from the heater core.
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Monday, October 5th, 2009 AT 3:20 AM
Tiny
MDGIBBONS
  • MEMBER
  • 10 POSTS
I believe that is what's going on. I checked the coolant the other day and it was low. When I added coolant, the noise stopped.

Thanks for the confirmation.
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Wednesday, October 7th, 2009 AT 8:59 PM

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