by dannysconnect » Tue Nov 20, 2018 12:14 am
Other possibilities I've experienced in connects have been
Air lock
Thermostat problem
Water pump failure
Can he hear any movement behind the heater control dial (the cable operating the temperature control flap)
Obviously with previous jobs I've experienced this problem after coolant changes and it has always been an airlock... but that has obviously been ruled out ?
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