[s-cars] Cooling system help needed

[Sean Douglas]

Peter:

The part number you are quoting runs between just behind where the t-stat
lives to the water pipe that feeds the aux water pump. This is a short
piece, and about 30 mm in diameter and is relatively easy to replace.

The other culprit may be the infamous coolant return line which feeds from
the turbo. Its about 6 inches long and 10 mm ID. It originates under the
intake manifold, connects to a metal pipe, wraps around the front of the
motor, then to the turbo. Do NOT buy a generic hose and buck-up from the
dealer. Its sold in bulk and you will need 160 mm long, the part number is N
020 262 1. SJM sells it for <$20 and it comes with 2 new clamps. It's a PITA
to change with the IM in place, but can be done (BTDT).

Personally, I would not use any generic hose when replacing coolant hoses,
not worth the trouble and you will likely be back in there soon.

Sean

> -----Original Message-----
> From: s-car-list-bounces at audifans.com 
> [mailto:s-car-list-bounces at audifans.com] On Behalf Of Peter Dowker
> Sent: June 12, 2008 10:40 AM
> To: S CAR List
> Subject: [s-cars] Cooling system help needed
> 
> Oh great ones...
> 
> The audi gods are displeased as I have not paid my 
> obligations recently. Nonetheless, I am a faithful pilgrim 
> and will make proper obeisance this weekend in manual labor 
> under the hood and the appropriate cursing and griminess.
> 
> I need some help trying to figure out which cooling hose has 
> ruptured....it would seem simple, as I have the ETKA running 
> under Parallels, but the diagrams are a bit vague for me...
> 
> The hose in question lives beneath the intake manifold and 
> SEEMS to connect from a small pipe to something which I can 
> neither see nor reach (possibly the aux. water pump?)
> 
> IF, I have the scenario right, do I need to order P/N: 034 
> 121 063 C or can I safely substitute an appropriate length of 
> standard high pressure/temp hose and clamp it in?
> 
> Thanks for any advice.
> 
> Best
> 
> Pete Dowker
> 1993 S4 - streaming coolant and not going far.....
> 
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