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Date:         Sun, 2 May 1999 18:08:40 PDT
Reply-To:     Mark McCulley <transporter99@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mark McCulley <transporter99@HOTMAIL.COM>
Subject:      Re: Lowering Cooling Sys pressure
Comments: To: Steve@SCHWENK-LAW.COM
Content-type: text/plain; format=flowed;

Steve,

Installing a cooler thermostat will not lower the system pressure. The pressure is controlled by the pressure cap on the coolant reservoir.

MM

>From: "Steven X. Schwenk" <Steve@SCHWENK-LAW.COM> > >I would put the cooler thermostat AND the cooler fan temp. >sensor/switch (screws >into the radiator) in. Doing this will lower the pressure >in your system while >keeping temp within specs...this helps to put less pressure >on the head gaskets >and thereby prolong life. There are only 2 thermostats and >2 fan temp >sensors/switches...get lower temp ones for both.....if the >guy denies there are >two or does tries to sell you anything else, he knpows >nothing and move on. > >Joel Shortlidge wrote: > > > Thanks allot You saved me some MONEY and that is a big thing to a > > college student! Did they have to order most of these or did they have > > them in stock??? Would you recommend changing the thermostat while i am > > at it???? > > > > Steven X. Schwenk wrote: > > > > > > Joel Shortlidge wrote: > > > > > > > I need to know where that diagram of the cooling hoses for the >syncro > > > > is!!! It has the Napa to VW conversion correct??? > > > > > > > > Joel > > > > Replacing distribution unit! > > > > > > _____________________________________________________________ > > > Jim Davis ' Generic Collant Hose List: > > > << Don't everybody forget Jim Davis's/syncrohead excellent post (last > > > year?) > > > detailing how to get all these hoses cheap by using off the shelf >hoses in > > > > > > the local auto parts store originally meant for other cars. >> > > > Here it is again: > > > ====================================================== > > > While replacing the engine in my 87 Syncro, I thought it would be a >good > > > idea > > > to replace the hoses in the engine compartment. A couple had been > > > replaced in the last couple years, so I didn't plan on replacing them > > > again. > > > Note that more than you might suspect are Syncro specific hoses. > > > Here's what I replaced & the prices from the FLVWD & FLAPS: > > > 251-121-102 42.90 > > > Left/front port on plastic coolant manifold to right radiator pipe. > > > Used a (D)70684 that cost $6.99. > > > 251-121-072 37.00 > > > Bottom/right of thermostat housing to lower crossover pipe. > > > Used part of a (E)71228 that cost $15.99 > > > Other part of (E)71228 used for 251-121-103 > > > 251-121-073 42.90 > > > Top of thermostat housing to upper crossover pipe. > > > Used a 71315 that cost $5.99 > > > 251-121-103 42.90 > > > Lower crossover tube to rear/left port on plastic coolant manifold. > > > Used part of a (E)71228 that cost $15.99 > > > Other part of (E)71228 used for 251-121-072 > > > 251-121-072-A 42.90 > > > Right/rear port on plastic coolant manifold to port on front of right >head. > > > > > > Used a 70826 that cost $6.49 > > > 025-121-073-H 22.10 > > > Left side of thermostat housing to big pipe on left side of engine. > > > Used a (B)70541 that cost $7.49 > > > 025-121-058-H 16.00 > > > Upper port on primary coolant reservoir to coolant tube that runs >around > > > the > > > left perimeter of the engine compartment. > > > Used a 80400 that cost $5.93 > > > 025-121-058-D $15.60 > > > Oil cooler tube to tube leading to thermostat housing. > > > No replacement looked for. > > > 025-121-058-J $13.05 > > > Water pump to metal tube. > > > No replacement looked for. > > > 025-121-058-G $15.60 > > > Metal tube from water pump to oil cooler. > > > No replacement looked for. > > > 025-121-058-E $11.65 > > > Small metal tube above left head to port on rear of thermostat >housing. > > > No suitable replacement found. > > > 025-121-108-H $21.90 > > > Lower port on primary coolant reservoir to metal tube on rear of left >head. > > > > > > No suitable replacement found > > > 251-121-062 $49.35 > > > Upper crossover tube to left radiator pipe. > > > No suitable replacement found > > > N-901-287-03 $5.45 > > > >From flange on right head to tube under crankshaft pulley. > > > No replacement looked for. > > > All of the replacement hoses were made in the USA by Road King >(although > > > the > > > application guide doesn't have any brand identification on it). I >bought > > > them at TRAK Auto. I think that Pep Boys carries the same brand. > > > Since the application guide at the FLAPS didn't list anything for >Vanagons, > > > > > > I > > > found these replacement hoses by holding the old hose in my hand and > > > walking > > > up & down the hose aisle looking for hoses or parts of hoses that were > > > close. > > > I only used part of each of the replacement hoses & just cut off the >parts > > > > > > that didn't match the VW hose. > > > Some of the lower priced hoses, I didn't bother searching for a FLAPS > > > replacement for, partly because I was lazy & partly because I was >running > > > out > > > of time. I suspect I could have saved quite a bit of money on those >too. > > > Total VW price of hoses that I found a replacement for: $246.70 > > > Total FLAPS price of replacement hoses: $48.88 (not much more than 1 >VW > > > hose) > > > Price savings: $197.82 > > > VW originals cost over 400% more! > > > Total cost of hoses purchased at VW & FLAPS: $379.30 > > > Total cost would have been $577.12 if I'd bought all VW hoses! > > > $577 + one or two hose that I did not replace would easily be over >$600. I > > > > > > bet you didn't know that you had over $600. worth of hoses in your >engine > > > compartment, did you? And I didn't even replace the radiator hoses up >front > > > > > > or the hoses to the heaters......yet. > > > Those of you without Syncros might look into your engine compartment >and > > > say > > > "crossover tubes! - what is he talking about?". These are Syncro >specific > > > beacuse the Syncro's gas tank placement gets in the way of the >"normal" > > > hose > > > routing. In a Syncro the two radiator pipes have to come up to the >engine > > > compartment on the right side and the "crossover" through metal pipes >to > > > get > > > to the thermostat area. > > > I'll definitely post a message to the list if I have any problems with > > > these > > > hoses, but I suspect that it will be years away if I do. > > > Jim Davis > > > 87 GL Syncro (Hans) > > > 88 GL Wolfsburg (Heidi) > > > > > > >--------------------------------------------------------------------------- > > > > > > To leave the list, send a SIGNOFF VANAGON message to > > > LISTSERV@VANAGON.COM

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