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Old 02-27-2009, 04:14 PM
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ajrn ajrn is offline
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Join Date: Feb 2007
Location: NW Ohio (Outside Toledo)
Posts: 95
If it's primarily a "seal" failure that keeps them from working properly-- are the seals available, somewhere separately?? My valve "functions" but if you really nail the accelerator (like getting on the expressway) the heat goes away, so it CAN function... I'm assuming the seals have hardened or cracked, and the higher output from the water pump on hard acceleration essentially creates "blowby.."

If the seals are out there-- is there a "reason" to replace the entire valve assembly, if it's working??

AJ RN
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Agnes (the Limo) '84 300SD
Pearl (the Taxi) '81 240D (preparing for the 'afterlife')
Bridgette (baby girl) '82 VW Pickup-- currently getting readied for her rebuilt (overbored) engine.
1 VW 1.6 NA diesel **not installed in vehicle**
Gidget (the bimbo) '87 VW Cabriolet-- the diesel engine it above is eventually going there!

and a BMW Motorcycle. (1998 R1200C)

Did I mention I'm of German Heritage??
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