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2005 Chevrolet Impala coolant system

Tiny
ROCKY1952
  • MEMBER
  • 2005 CHEVROLET IMPALA
  • 4 CYL
  • AUTOMATIC
  • 158,000 MILES
I hear gurgling sounds behind the dash. The coolant levels seem to be OK and I keep a close eye on the temp gauge. So far, no overheating noticed.I only occasionally use the AC, but this noise occurs when the AC is not running.
Tuesday, April 7th, 2015 AT 7:51 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Was the coolant replaced or was there any reason for it to have been drained?
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Tuesday, April 7th, 2015 AT 8:10 AM
Tiny
ROCKY1952
  • MEMBER
  • 2 POSTS
Yes, the coolant was replaced about a year ago due to replacing a head gasket.I have driven approx 15,000 miles since then. The problem has only developed in about the past 2,000 miles (off and on). However, lately I have been hearing it more frequently.
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Tuesday, April 7th, 2015 AT 12:10 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Have you checked the radiator cap? If pressure isn't maintained, it can cause a similar issue.
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Wednesday, April 8th, 2015 AT 5:02 AM

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