Screeching when heater knob adjusted

lindsayhbrown · Post by **lindsayhbrown** » Sun Feb 13, 2011 6:39 pm

Still new to the air-cooled brigade, went for a hoon yesterday, car ran/performed well apart from when I adjusted the heater control between the seats a screeching noise occured, a bit like a fan belt slipping would be the best way of describing it, went after about 5 secs but did come back intermittantly as I was driving, it also happened again nearly every time I adjusted the temp control

PaulPSB · Post by **PaulPSB** » Sun Feb 13, 2011 7:31 pm

lindsayhbrown wrote:Still new to the air-cooled brigade, went for a hoon yesterday, car ran/performed well apart from when I adjusted the heater control between the seats a screeching noise occured, a bit like a fan belt slipping would be the best way of describing it, went after about 5 secs but did come back intermittantly as I was driving, it also happened again nearly every time I adjusted the temp control

Were you adjusting the temperature downwards - ie colder?

If so screeching probably coming from female passengers

lindsayhbrown · Post by **lindsayhbrown** » Sun Feb 13, 2011 7:33 pm

Adjusting temp up or down, also when you turn the engine on it sometimes does it, I thought it might be a noisey fuel pump to begin with

PaulPSB · Post by **PaulPSB** » Sun Feb 13, 2011 7:34 pm

lindsayhbrown wrote:Adjusting temp up or down, also when you turn the engine on it sometimes does it, I thought it might be a noisey fuel pump to begin with

Read my post again

lindsayhbrown · Post by **lindsayhbrown** » Sun Feb 13, 2011 7:39 pm

PaulPSB wrote:
lindsayhbrown wrote:Adjusting temp up or down, also when you turn the engine on it sometimes does it, I thought it might be a noisey fuel pump to begin with
Read my post again

964russ · Post by **964russ** » Sun Feb 13, 2011 9:50 pm

He he

Common fault on old 911.
The heater system is beyond old at best!
The screechy is the fan unit, worn out.
Ignore it till it gives up!

lindsayhbrown · Post by **lindsayhbrown** » Sun Feb 13, 2011 10:34 pm

Thanks, car still under warranty so will add to list of problems

lindsayhbrown · Post by **lindsayhbrown** » Tue Mar 15, 2011 8:28 pm

It seized last night filling the car full of smoke, was nearly home so drove the last couple of miles with the windows down, question is will the car be ok to drive if I disconnect the fan until I get hold of a new one ?

Siggy · Post by **Siggy** » Tue Mar 15, 2011 9:54 pm

which fan?

But yes, but prefrably disconnect it

Fan motors are around £200

lindsayhbrown · Post by **lindsayhbrown** » Tue Mar 15, 2011 9:58 pm

Engine blower (I think), screeching started as soon as the ignition turned on before engine started, but would go after a couple of minutes or so ...... until last night cough cough

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Screeching when heater knob adjusted

Screeching when heater knob adjusted

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