01-29-2014, 04:43 AM
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#1
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Registered User
Join Date: Jan 2014
Posts: 3
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need help--HVAC Heater Control Valve problem
hi my name is adhi from Indonesia
I have a problem with HVAC Heater Control Valve / part no : 92857457303
I have a water leaking in the heater valve problem pic and video attached
since it hard to find the parts in Indonesia is it safe if I blocked the line from each pipe?
Sorry for my English 
Heater valve porsche 986 leaking - YouTube
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01-30-2014, 05:10 PM
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#2
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Registered User
Join Date: May 2013
Location: Loveland, CO
Posts: 101
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Logic would say with the heater valve at full closed psoition it would be cutting off flow just like you are proposing to do manually, by capping each pipe. The cabin heater is a sub component of the engine cooling system, and engine cooling is not dependent on the cabin heating system. I would say it will affect nothing but the fact you wont have a cabin heater...
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01-31-2014, 02:54 PM
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#4
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Registered User
Join Date: Feb 2013
Location: Land of naught
Posts: 1,302
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I've always heard that heat is the worst thing for a auto trans and considering the expense of rebuilding your tip I'd try to keep things working as Porsche wanted. You may be able to diagnos/repair it with an epoxy or maybe it's leaking at one of the hose connections. See if you can find the source before disassembling it. Sometimes just adjusting the hose clamps can stop it. Also, these cars are very sensitive to air pockets in the cooling system. I'd suggest you read all you can about coolant flushing etc. By the way, your English is excellent. I also enjoyed one of you scooter rides! High risk compared to where I live.
__________________
Death is certain, life is not.
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01-31-2014, 03:07 PM
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#5
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,457
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Quote:
Originally Posted by adhiyara777
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Only if you want to totally destroy and expensive Tiptronic transmission.......
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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01-31-2014, 03:40 PM
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#6
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Registered User
Join Date: Feb 2013
Location: Land of naught
Posts: 1,302
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could he put a solid pipe in there to replace the vacuum operated valve JFP?
__________________
Death is certain, life is not.
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02-01-2014, 04:12 AM
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#7
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Registered User
Join Date: Jan 2014
Posts: 3
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I already remove the HVAC and it seems leaking from the Hvac itself
And I asked the price at porsche indonesia cost me about $144 and labor cost $204
Compare to mercedes W201 Hvac(same model) $69 but difficult to find in Indonesia 
Is there any way to repair the Hvac (glue or something?) or I have to buy the new one?
@woodsman ;how do you know I m a scooter ride
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02-01-2014, 07:53 AM
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#8
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,457
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Quote:
Originally Posted by woodsman
could he put a solid pipe in there to replace the vacuum operated valve JFP?
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You don't want to do that as the trans will not operate in the expected temp range; you need the valve to "throttle" the system.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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02-01-2014, 07:54 AM
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#9
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,457
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Quote:
Originally Posted by adhiyara777
I already remove the HVAC and it seems leaking from the Hvac itself
And I asked the price at porsche indonesia cost me about $144 and labor cost $204
Compare to mercedes W201 Hvac(same model) $69 but difficult to find in Indonesia
Is there any way to repair the Hvac (glue or something?) or I have to buy the new one?
@woodsman ;how do you know I m a scooter ride |
These valves are simply not worth trying to fix, as soon as you stop one leak, they start to leak elsewhere. Get a new one and be done with it.............
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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02-02-2014, 04:25 PM
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#10
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Registered User
Join Date: Feb 2013
Location: Land of naught
Posts: 1,302
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Quote:
Originally Posted by adhiyara777
I already remove the HVAC and it seems leaking from the Hvac itself
Is there any way to repair the Hvac (glue or something?) or I have to buy the new one?
@woodsman ;how do you know I m a scooter ride |
I'd follow JFP"s advice 777 as he owns a garage that repairs Porsche's and other exotics.
I watched one of your UTUBE videos- you toured around the streets on a scooter.
__________________
Death is certain, life is not.
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05-06-2014, 04:52 AM
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#11
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Registered User
Join Date: May 2014
Location: Port Saint Lucie, FL 34986
Posts: 1
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Quote:
Originally Posted by adhiyara777
I already remove the HVAC and it seems leaking from the Hvac itself
And I asked the price at porsche indonesia cost me about $144 and labor cost $204
Compare to mercedes W201 Hvac(same model) $69 but difficult to find in Indonesia
Is there any way to repair the Hvac (glue or something?) or I have to buy the new one?
@woodsman ;how do you know I m a scooter ride |
If you buy the HVAC system from Porsche store, then definitely, you have to pay a hefty amount. Hence, it would be very intellect of you, if you hire some professional HVAC repair guy who would do the job at an affordable rate or buy the same from some western country where you would get the product at a cheap rate. Visit this website for more information on the different HVAC system at different prices.
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