Vauxhall Zafira intimitent heater

Car: Vauxhall Zafira
Model Year: 2008
Categories: Leaks & Noises
My petrol zafira seems to have a intimmitent problem with the heater. It seems to take an age to get the heater to blow hot', even after 40 miles it is just lukewarm. The fan strength is what I'd expect. The garage keep saying everything is OK and zafira take ages to heat.
Any info appreciated.
Posted: Dec 17, 2011 (12 years ago)
Could be thermostat is jammed open .
Posted Dec 17, 2011 (12 years ago)
turn knob for hot and cold listen for rotation click each turn on direction selector it could be stuck or if aircon it may be the valve with the disc shape pipe stuck then again check pollen filter it also may need flushing both air con and coolant if non of them possible to check both pipes going and coming from matrix also thermostat if water hot both ends possible blockage these are tests we had done so far garage still non no wiser but has rectified other peoples problems now garage want to charge me for full investigation which can run upto 600.00 so i bought a cigerette lighter heater hell works better than i thought unless anyone can tell me what else to check
Posted Dec 28, 2011 (12 years ago)

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