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Heater blowing barely warm air?

Tiny
COALFIR3
  • MEMBER
  • 1990 PEUGEOT 405
  • 2.6L
  • 4 CYL
  • TURBO
  • MANUAL
  • 105,000 MILES
Heater performance warm, blowing barely warm air through the middle parts of the dash board the side vents near the windows get a bit hotter, moving the slider is easy
Saturday, January 24th, 2015 AT 12:39 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
When the engine is running, warm, and the heater is on, do both heater core hoses get hot? Is the coolant full?
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Saturday, January 24th, 2015 AT 6:08 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
I would check the coolant level first which if it is low it will cause this problem. Please go over this video and guide to see if it helps

https://youtu.be/SNRb6pSwYuU?si=ZJVVFczkglR7Nqv0

and

https://www.2carpros.com/articles/car-heater-not-working

If it is low on coolant add some and if it gets low again you have a slow coolant leak. Please go over these guides and get back to us.

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Thursday, September 12th, 2024 AT 5:19 PM

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