[audifans] re: 4000s starting issue (no click/crank)

[Kneale Brownson]

The lights are supposed to go off when you activate the starter.  Gives
full bettery power to the starter.

At 07:26 AM 7/24/2005 -0700, 928s at canada.com wrote:
>thanks audifans,
>
> I looked underneath to to find my starter/solenoid
>covered in oil sludge & road goop. Not quite like
>Kneale's pic. While i easily removed the slide-on
>connectors and gave them a bit of lubricant, I decided
>not to mess with the larger power connectors as it
>didn't want to break anything if it was working OK. As
>a test, I had the headlamps on & all is normal at the
>first half ignition key turn but as the it goes to full
>turn the headlamps turn off. Methinks the ignition
>switch is the problem.
> I'm locating a 1/2" ratchet to remove the stering
>wheel [24mm socket].
>
>_av
>early '86 4000s auto
>5-Cyl. 2.2
>288K Km. in Canada
>
>John McMahon  <jfm at nts-online.net> to 928s, quattro
>
>Likely, you have a problem with either your ignition
>switch or the starter itself.  Possibly, the battery,
>too.  I would load test the battery, first.
>This is a far better evaluation of the battery's
>capacity than just checking battery voltage at the
>poles. Turn the ignition to "on" and then switch on
>the headlights, fog lights, rear window heater, radio,
>etc.  Then honk the horn ... the sound should be crisp
>and loud.  If it sounds weak and anemic, then it's your
>battery.  If the horn sounds okay after loading the
>battery, I would then check the starter motor's
>resistance to ground.  The strap could be
>corroded/deteriorated after almost 20 years of service.
> If the strap looks okay and the resistance is low
>(less than 1 ohm), then I would pull the starter and
>have it tested by a local auto electric shop.  If it
>tests fine, then it is likely the ignition switch. 
>Mine failed (a cracked housing) on my Coupe quattro 20V.
>John
>John McMahon
>Abilene, Texas, USA
>1990 Coupe quattro 20V
>
>----- Original Message -----
>From: <928s at canada.com>
>To: <quattro at audifans.com>
>Sent: Saturday, July 23, 2005 12:49 AM
>Subject: 4000s starting issue (no click/crank)
>
>
>> I been running my car w/o issue for many months.
>> the one morning i go to start my car & nothing
>happens.
>> lights illuminate on dash as key turns, hear the fuel
>> pump start but no 'click' or crank in the engine bay.
>>
>> i recharged my battery as i thought it might be lean
>> even in summertime. checked fuses.
>>
>> i notice there's no specific relay for ignition as
>it's
>> a function of the ICU.
>>
>> looking through the audi factory manual, it mentions
>> checking the transmission ground strap. When i google
>I
>> cannot find any refernce to this. Is this the same
>> strap near the motor oil refill cap?
>>
>> The only consideration I can think of is that we had a
>> hard rain a few days back as it's been a dry summer
>and
>> maybe something further corroded afterwards.
>>
>> i searched the audifans archive but didn't get an
>> answer to my 'no-sounds starting' issue.
>>
>> _av
>> '86 4000s auto
>> 5-Cyl. 2.2
>> 288K Km. in Canada
>> _______________________________________________
>> quattro mailing list
>   
> Kneale Brownson  <kneale at coslink.net> to 928s, quattro 
>You might want to check your starter wiring.  It may
>look like my wife's '86 4kq's wires used to: 
>http://www.pbase.com/kneale_brownson/image/43663744
>_______________________________________________
>quattro mailing list
>quattro at audifans.com
>http://www.audifans.com/mailman/listinfo/quattro