Re: Happy, Happy, Joy, Joy

[Dave Head <dhead@sundial.net>]

At 03:20 PM 5/10/97 -0400, you wrote:

>The after run of both the auxiliary coolant pump (for the turbo) and fan
>are both controlled by temperature in the block area . Neither comes on
>automatically when you turn engine off.
>Testing take car for a highway speed drive make a couple of turbo boost
>runs, get back home, do not kill engine ...allow car to idle (in your
>driveway) until the fan turns on....kill engine and wait (hood closed)
>fan should come on (may take a minute or so unless outside temp. is very
>low)on after runmode  and probably auxiliary water pump ( you may have
>to touch pump to ascertain it is on )... or you may ground temp sensor
>at the rear left side of engine mounted on heat shield above exhaust
>manifold (rear of engine) both animals...should come on.

The heat shield mounted thermoswitch controls the injector cooling fan.
On 86-88 tqs the after-run thermoswitch is just above the upper rad hose
inlet to the head - a 'two blade' type - white insulator with a small red
dot. Short the wires together only to test. Grounding the hot wire will
a: blow a fuse, and/or
b: fry a $110.00 electronic relay (BTDT).


********************************AUDI FAN***********************************
                                   EMCM(SW) Dave Head  
87 5KCStq 191K miles                1.7 bar 
    qcusa #3442                 Maitland, Florida   
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