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OPR valve

I just finished reading a post and found ut that there is a updated oil pressure relief valve. My 924S is currently using the 3 peace system. Where can I find that updated version? Also is there anything else thats been updated??
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1986 951, Stock for now.
]87 924S Gaurds red- SOLD after 11 years of ownership
Old 02-03-2004, 11:49 AM
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OMG!!!!!! I just looked for the new OPRV and its $279 WOW what is included witht he kit. WHY SO MUCH MONEY?
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1986 951, Stock for now.
]87 924S Gaurds red- SOLD after 11 years of ownership
Old 02-03-2004, 12:14 PM
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There is a six page factory tech bulletin #3 that discusses the change from the three piece to the one piece. Also has details on the oil cooler seals and housing. If you have a dealer close by get a copy from them.

For the 1987 924S it says:

Up to engine # 43 H 01919-std trans
# 43 H 60384-auto trans

OPRV part # 944 107 035 11
Use alignment tool #9215

From engine # 43 H 01920-std trans
# 45 H 60385-auto trans

OPRV part # 944 107 034 01
(This is a tad longer than the first one.)
Use alignment tool # 9262/1
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Hugh - So Cal 83 944 Driver Person
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Old 02-03-2004, 12:23 PM
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So whats so different about the ugraded version and why is it $279 isnt it just a valve, I could see $150 but almost $300 is a little much. What othere systems have been ugraded on the 924S
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1986 951, Stock for now.
]87 924S Gaurds red- SOLD after 11 years of ownership
Old 02-03-2004, 12:33 PM
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Here is what it looks like:




Two styles.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
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Old 02-03-2004, 03:54 PM
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I have an early 85 N/A 944 and it doesn't look like either of these. It doesn't have an o-ring near the top of the piston but there is 1/16 in. wide indentation half way down the piston that goes all the way around the circumference of the piston. Did I lose the o-ring when I took out the OPV? Does an o-ring go that indentation?
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Old 02-14-2006, 04:35 AM
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You have the early oil pressure control valve (pistion and spring). There is no o-ring. The ones pictured are found in the 85.5 engines and later. However you can put the first single piece design into an early block.

You will have the aluminum washer/seal on the treaded plug.
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Hugh - So Cal 83 944 Driver Person
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When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
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Old 02-14-2006, 07:09 AM
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When would I consider replacing this valve? Would it only be if my oil pressure was low? I am getting ready to replace the oil cooler seals in my 87 after reading that those are known weak points on an 87...should I consider replacing the OPRV then or leave what I have alone and just replace the seals?

Thanks...
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Old 02-14-2006, 07:09 AM
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So you are saying that my new gasket set has aluminum washer and seal that I install on the OPV?
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Ealrly na '85 944 - Manual Mahogany
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Old 02-14-2006, 07:17 AM
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If the gasket set you are refering to is for resealing the oil cooler. It should also have the o-rings.

The reason the single piece replaced the piston and spring is that the piston sometimes binds in the aluminum bore and causes oil pressure problems.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 02-14-2006, 07:22 AM
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What I'm asking is Does the new gasket set that I just purchesd include the aluminum washer and gasket. I am doing an oil cooler replacement job and will be repalcing the oil cooler seals from the pelican gasket set.
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Ealrly na '85 944 - Manual Mahogany
'98 Lincoln MKVIII LSC
'77 Ford F-100
Old 02-14-2006, 07:33 AM
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Call up Pelican and ask them.
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Hugh - So Cal 83 944 Driver Person
NOT a 'real' Porsche -- Its Better!!!!
When was the last time you changed your timing and balance belts and/or cam chain and tensioner?
New Users please add your car's year and model to your signature line!
Never break more than you fix!
Old 02-14-2006, 07:36 AM
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Clark's garage.com GO THERE!

TSB shows what/why/ and where to go, regarding the replacement oil cooler gasket sets. Should be in the later FSM.

Replace that OPRV.........if your so inclined. Please, send me your original. I'm sure, there is NOTHING wrong with it. Waste of money to replace it with an "updated one". UNLESS, you damage it cleaning it, or it is badly scored. Then, you better be looking at the bore of the block sleeve for it also. I have a replacement 1 pc for my early cars. I haven't needed to put it in yet. Don't panic. The early ones work just FINE if taken care of properly.

Alignment MUST be done properly on the OPRV ( it AIN'T a big deal), and so must the oil cooler gasket set be installed properly. DO the research, or you won't get a favorable result. Go into it unprepared, BE prepared to spend lots of time and money. Good luck!
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Old 02-14-2006, 06:05 PM
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Hi
i wrote about problems with the pressure in my 944 1986 0 at crank in morning but rest of day works fine !forum said is OPRV dirty, open ,OR O RINGS REPLACE !!! people said to take it off and clean it and install again!BUT CAN SOMEBODY GUIDE ME HOW TAKE IT OFF what areas clean and how instal back properly PLEASE ! S.O.S .... S.O.S
Old 02-14-2006, 08:20 PM
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Quote:
Originally posted by butziporsche944
Hi
i wrote about problems with the pressure in my 944 1986 0 at crank in morning but rest of day works fine !forum said is OPRV dirty, open ,OR O RINGS REPLACE !!! people said to take it off and clean it and install again!BUT CAN SOMEBODY GUIDE ME HOW TAKE IT OFF what areas clean and how instal back properly PLEASE ! S.O.S .... S.O.S
You need to find a manual that shows pictures of the OPRV and the housing it goes in. I don't have a Haynes manual in front of me but it probably has the pictures you need.
Old 02-15-2006, 03:56 AM
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