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Toymods » Tech & Conversions » JZA70 Supra heater not working, help!

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Bert
Regular


Location:
Adelaide
Registered:
May 2003
Re: JZA70 Supra heater not working, help! Wed, 13 April 2005 08:37 Go to previous messageGo to previous message
first of all, is there any warm air coming through the vent at all.
1) you will need to find the HEATER TAP in the engine bay, it will be in between the heater pipes and the firewall. get a mate to switch from cold to hot (with engine on) and watch to see if the tap moves. this will tell you if hot water is going into the core.
if its not moving then you need to track down why.....is it vacumn or cable operated? if its vacumn then listen for a leak (it will be a whistle)
if its cable then you will need to find the break in the cable.

2) if the tap is working ok then check for coolant leaking at the core (god i hope not!). the carpet will be wet and you will be able to smell the coolant.

3)the climate control system may have a vacumn leak under the dash (commodores do this all the time) preventing the system to switch to hot. or the climate control could be not working at all???

sorry bout the long winded message, but ive had to do this a my work heaps of times and these are the first steps i do....
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SubjectPosterDate
Read Message   JZA70 Supra heater not working, help! AE82TwinCamWed, 13 April 2005 08:21
Read Message   Re: JZA70 Supra heater not working, help!  BertWed, 13 April 2005 08:37
Read Message   Re: JZA70 Supra heater not working, help! dingalingWed, 13 April 2005 09:31
Read Message   Re: JZA70 Supra heater not working, help! AE82TwinCamWed, 13 April 2005 11:43
Read Message   Re: JZA70 Supra heater not working, help! Mofo IIIMon, 30 May 2005 23:37
Read Message   Re: JZA70 Supra heater not working, help! dingalingMon, 30 May 2005 23:45
Read Message   Re: JZA70 Supra heater not working, help! FlebbertTue, 31 May 2005 01:49
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