Overheating

[Guest iancar]

my galaxy has started to overheat, i supected a head gasket so got the ford chemical test done on the water bottle, this was all clear, there is no sign of power loss, oil usage, or water in the oil, the car runs fine as long as i don't try to go up a hill, if i do the temperature rises quite quickly and will overheat if i continue to try accelerating. any ideas please

 

 

Ian

[Guest vr6galaxy]

Water pump failure? been mentioned a few times! suffered from it myself a week back on my VW T5

[Topbloke]

rad cap , sorry exspansion bottle caps are a favorite source of problems , it may be worth a search as its been covered many many times !!!!!!!!!!!!!!!!!!!!!

[Guest iancar]

cheers for the idea on expansion bottle cap, i have already done that, the idea of the water pump failure was at the back of my mind, have you got any ideas on how to check if it is playing up.

 

cheers for the help

Ian

[Masked Marauder]

run the car hot and feel the hoses round the pump.

[johnb80]

What about the thermostat not opening fully? Demand more power going up a hill, more heat developed but it can't get rid of it due to low water flow rate?

 

Regards - John

[seatkid]

Most likely to be a failing water pump as this is a common fault. This can sometimes be confirmed by letting the engine get up to temperature, and with the engine idling, turn on the heater on full blast. If it goes cool after a short while then the pump is gone.

 

Otherwise, most would advise you change the thermostat first as it might be this and it is a little job to change c/w water pump. You need to remove the timing belt to change the water pump, so consider changing the timing belt at the same time.

[Masked Marauder]

You need to remove the timing belt to change the water pump, so consider changing the timing belt at the same time.

Beg to differ chap. I never touched the timing belt when I did my water pump.