2004 Peugeot 407 1.6 diesel
Heating

Avatar
friend
Driver
62 points

Problem added: Dec 18, 2017 (2 years ago)
hi,no heating water level ok
its been temperamental over the last week or so
working then not coming on at all
blowing full fan speed but only cold air
any ideas please

Car details
Car: Peugeot 407
Variant: 1.6 diesel
Model Year: 2004
Category: Engine & Drivetrain
Replies and Fixes
Avatar
1/4drive
Legend
1,890 points

Dec 18, 2017 (2 years ago)
Check your thermostat operation,
Easy to do just wrap your hand around the top radiator hose.
it should be hot,
actually too hot to touch.
If it's not after the engine's been run for ten min's or so the 'stat is most likely jammed open.
A fairly common fault.
Avatar
whittingehame
Legend
14,861 points

Dec 19, 2017 (2 years ago)
Probably the heater control flap motor / flap broken .
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