Subject: coolant temp sensor question: t44

[Christopher Ritchie]

>'87 5kcstq is looking like it needs a coolant temp sensor
>replacement to fix
>a few niggling idle problems. What is the part no.? Anyone?
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It's called the "multi-function temperature switch."  Although many people
refer to it as the temperature gauge sender/sensor (because that's one of
the functions).  I don't have the part number handy, but you can look it up
at:

     www.thepartsconnection.com

I just bought one last week.  It's $80+ at the dealer.  Lots of internet and
telephone Audi vendors sell this part for around $35.00.

I seem to go through one per year.  Leave the rubber boot (condom) off.
These switch/sensors leak.  And because they're upside down, the coolant
collects in that boot making a mess where the terminals go to the pins.

The new ones now all have 3 pins.  If yours is origianl, it probably had 4.
No matter.

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