Renault Kangoo heater blows cold

Car: Renault Kangoo
Model Year: 2000
Categories: Engine & Drivetrain
Bought a Renault lagoon van and the heater blows cold
Posted: Feb 15, 2016 (8 years ago)
Check the coolant top and bottom hoses and the radiator.
It might be blocked or the pump might be gone.
If the rad has an even temp and the pump appears to be working there's a bleeder valve in the top hose,
crack it open when it's hot in case it's vapour locked and let the gas/steam out.
The 2 smaller diameter hoses that run into the bulkhead are the heater feed and return,
both should be hot.
Posted Feb 15, 2016 (8 years ago)
A thermostat jammed open wont help either .If there is a heater control valve fitted , check that also .
Posted Feb 15, 2016 (8 years ago)

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