If your oil pressure switch is bad then changing it is very simple, like
daytripper says.
If that does not solve our problem then check the oil pressure with a
mechanical gauge.
If the oil pressure is low then it might be sludge or maybe a bad oil
pump.
I think that the early oil pumps got upgraded.
It is a good day (read a lot of work) to change out the oil pump if you
need
one. If you have to clean out the sludge and you have to remove the oil
pan
then change out that oil pump too! ;-)
BTW which oil and oil filter are you using?
--
later,
dave
(One out of many daves)
1997 Red A4 1.8tq auto
"Bikegeek" <Noone@[EMAIL PROTECTED]
> wrote in message
news:oLednU_zLMqV-obVnZ2dnUVZ_r6rnZ2d@[EMAIL PROTECTED]
> Sweet!
>
> Many thanks.
>
>
> "daytripper" <day_trippr@[EMAIL PROTECTED]
> wrote in message
> news:ankm14p6kegddfcglgbdiisg7o30rgdg8c@[EMAIL PROTECTED]
>> On Fri, 2 May 2008 13:00:36 -0400, "Bikegeek" <Noone@[EMAIL PROTECTED]
> wrote:
>>
>>>Oil is topped off but I get the occasional dashboard alarm. Where is
>>>this
>>>thing - does it die and can it be replaced?
>>
>> Oil pressure switches do fail on occasion.
>>
>> Looking at the Bentley CD covering the '97 A4 1.8 turbo: On your model,
>> the
>> oil pressure switch is located on the "Oil Filter Bracket" - which is
>> located
>> on the driver's side of the engine, and roughly in the middle of the
side
>> of
>> the engine block.
>>
>> If you can find the oil filter, it hangs just below the oil cooler,
which
>> snugs up to the Oil Filter Bracket. The switch is screwed into the
>> bracket
>> towards the rear. Don't confuse the pressure switch with the oil
>> temperature
>> sensor, which is also screwed into the same bracket, but more to the
side
>> of
>> the bracket. ie: the switch is more towards the rear of the car than
the
>> temperature sensor.
>>
>> I stuck a copy of the pertinent manual pages here:
>> http://home.comcast.net/~day_trippr/misc/97A4_1p8_oilpressureswitch.pdf
>>
>> hth
>>
>> /daytripper
>> '00 s4 6spd
>
>
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