2004 Peugeot 407 1.6 diesel Heating

Peugeot 407 Problem
The Problem
Fixes: 15
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

Recalls: Peugeot 407 Recalls
More: Peugeot 407 Problems
Parts mentioned in this problem
Replies and solutions
Fixes: 1,862
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.
Fixes: 12,230
Dec 19, 2017 (2 years ago)
Probably the heater control flap motor / flap broken .
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