2003 Chrysler PT Cruiser Loud whistling

Tiny
DGBEACH
  • MEMBER
  • 2003 CHRYSLER PT CRUISER
  • 2.4L
  • 4 CYL
  • TURBO
  • FWD
  • AUTOMATIC
  • 70,000 MILES
There is a loud whistling noise coming from the front of my engine, which starts as the engine is warmed up. The sound goes away when I accelerate and returns when I coast. The engine is also idling rough, and I get code 0304 from the computer.
Friday, April 24th, 2015 AT 3:29 PM

6 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
This is a misfire code for No4 cyl, with the noise you are hearing check for a vacuum leak at the intake manifold.

Read the guide below on whistling noises, it will help you figure this out

https://www.2carpros.com/articles/car-whistling-noise
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Friday, April 24th, 2015 AT 7:22 PM
Tiny
BRANDY6412
  • MEMBER
  • 3 POSTS
  • 2006 CHRYSLER PT CRUISER
  • 90,875 MILES
Got timing belt and water pump, crank and cam seals changed 2 days ago. Car now makes whining sound on acceleration. What could this be? It never made this sound prior to repairs. Car makes whining sound after timing belt, water pump and crank/ cam seal replacement. Did not make noise prior to 90k timing replace
ment.
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Thursday, May 23rd, 2019 AT 11:54 AM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
What did shop say when you took it back about "whine"?
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Thursday, May 23rd, 2019 AT 11:54 AM (Merged)
Tiny
BRANDY6412
  • MEMBER
  • 3 POSTS
Cannot take it in until tomorrow as I am wo
rking till after they close. I suspect loose belt. In changing said timing belt a/c had to be discharged and re barges and drive belt taken off. So I'm thinking perhaps something has gone wrong there.
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Thursday, May 23rd, 2019 AT 11:54 AM (Merged)
Tiny
BRANDY6412
  • MEMBER
  • 3 POSTS
*recharged silly auto correct.
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Thursday, May 23rd, 2019 AT 11:54 AM (Merged)
Tiny
PROAUTOTECH
  • MECHANIC
  • 288 POSTS
Overtensioning of belts will do this, particcularly with a cog type belt like the timing belt
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Thursday, May 23rd, 2019 AT 11:54 AM (Merged)

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