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Squeezing noise after engine wash?

Tiny
FADZ101
  • MEMBER
  • 2014 SUBARU LEGACY
  • 2.5L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 114,000 MILES
There is a squeaking noise coming from my engine after having the engine washed. The noise got better after spraying the belt with wd40 however it has become really terrible.
Friday, October 20th, 2023 AT 9:12 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Hi,

If the belt was wet, it could have caused the noise. However, WD40 is a lubricant. It will allow the belt to slip more easily.

The belt tension is controlled via an automatic belt tensioner. Is the belt tight? If it is and the belt is wet with oil (WD 40), it will likely need to be replaced. If you replace it, before installing the new one, make sure to check the belt pulleys with something like brake cleaner.

I attached the directions below for removing and replacing the belt. Let me know if this helps.

Take care,

Joe

See pics below.
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Friday, October 20th, 2023 AT 11:23 PM

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