[s-cars] Thermostat replacement question

[Sean Douglas]

1. Not sure why you have a paper gasket, only the rubber o-ring is used.

2. To get to the front bolt, use a long extension with a u-joint. The
rear bolt can be reached with a small 1/4 drive ratchet and 10 mm
socket.

Also, don't forget to drain the coolant, the draincock is on the rear
passenger side of the radiator. There is a nipple there that will accept
a short piece of garden hose to direct the coolant into a bucket. If you
don't use a hose, the coolant will spill over a support piece and run
all over the place, btdt. Also, remove the coolant reservoir cap to let
air in, or it will not drain. This will get about 75% of the coolant
out, but some will be trapped behind the t-stat, be prepared for some to
spill once you pop it out.

Also, getting the t-stat out can be a challenge, because frequently, its
corroded and stuck to the housing. A small screwdriver, slipped under
the band can pry it loose.

One more thing, test your new t-stat in boiling water to make sure it
opens at 87-90 celcius, you don't want to put in a defective t-stat and
find out after it does not open, btdt.

Sean



> -----Original Message-----
> From: s-car-list-bounces at audifans.com 
> [mailto:s-car-list-bounces at audifans.com] On Behalf Of Dave Forgie
> Sent: Sunday, May 01, 2005 12:16 PM
> To: s-cars
> Subject: [s-cars] Thermostat replacement question
> 
> 
> I went out to the garage to change the thermostat and relized two
> things:
> 
> 1.  I see a flat paper gasket sticking out the housing.  I 
> have a new O-ring but no flat paper gasket.  What are the 
> chances of re-using that gasket?  (Its Sunday)
> 
> 2.  Probably more important, I am not sure how to get the 
> upper (front) bolt out.  I can see it but the PS pump is kind 
> of in the way (and I would rather not have to move the PS 
> pump if I can help it).  I would presume that some kind of 
> universal joint and an extension could work. Any hints?  (The 
> lower, rear, bolt seems to be a straight, albeit long, shot.
> 
> Thanks in advance.
> 
> In the meantime, I'll clean out the garden shed.  :>(
> 
> Dave F.
> 
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