Heater blows cold

2000 Renault Kangoo Problem

The Problem

Avatar Dizzyhead
Joined: 3 years ago | Profile
About

Bought a Renault lagoon van and the heater blows cold


Car Renault Kangoo
Variant
Model Year 2000
Category Engine & Drivetrain

All Renault Kangoo Problems

Solution

Avatar 1/4drive
Joined: 8 years ago | Fixes: 1,862 | Profile

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.

Solution

Avatar whittingehame
Joined: 9 years ago | Fixes: 12,010 | Profile

A thermostat jammed open wont help either .If there is a heater control valve fitted , check that also .

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