Distributor rotation for 1987 Audi 4000 CS Quattro

Cody Forbes cody at 5000tq.com
Mon Oct 26 18:53:01 PDT 2015


And/or when it doesn't start did you check for spark? 

-Cody Forbes (mobile)

> On Oct 26, 2015, at 9:12 PM, Huw Powell <audi at humanspeakers.com> wrote:
> 
> First, I think you should keep list discussions on the list.  Use "reply to all", or just manually make sure of it.
> 
> Second, why don't you tell us the whole story from the beginning?
> 
> You didn't hurt the coil.
> 
> But what did you do between it starting to run badly and mixing up the ignition wires?
> 
> - Huw
> 
>> On 10/26/2015 4:32 PM, David Vanden wrote:
>> Per your advice I think I got it right.  It I not backfiring.  But it is
>> not starting now.  Is it possible that running it with the wrong
>> distributor arrangement may have compromised the ignition coil and now
>> that needs to be replaced.  I am not sure what happened because it was
>> running just great and then it suddenly started missing and back
>> firing.  Let me know what you think.
>> 
>> David
>> 
>> 
>> 
>> On Monday, October 26, 2015 12:53 PM, Huw Powell
>> <audi at humanspeakers.com> wrote:
>> 
>> 
>> Mostly to reiterate what others have said:
>> 
>> The distributor rotor turns clockwise when seen from above.
>> 
>> The cylinder are numbered 1-5 from the front.
>> 
>> The firing order is 1-2-4-5-3, as indicated on the head.
>> 
>> At TDC by the crank, the rotor will either point to the #1 plug wire or
>> 180 degrees away from it.
>> 
>> To get true TDC, the "0" mark on the flywheel (crank locator) will be at
>> the straight edge in the hole in the bell housing, and if you remove the
>> oil fill cap, you will see the front two cam lobes both sticking "up"
>> symmetrically perpendicular to the plane of the head.
>> 
>> Put the #1 wire there then proceed clockwise with #2, 4, 5, & 3.
>> 
>> After reassembly set the timing to about 6 degrees BTDC for stock
>> adjustments.
>> 
>> Then, since your backfiring will still be happening, fix all your vacuum
>> leaks.
>> 
>> Finally, I dug out, tested, and offered to sell to you a good used
>> coolant reservoir (and radiator fan) many months ago.  You did not
>> follow through and I put them away.
>> 
>> All the best,
>> 
>> Huw
>> 
>> On 10/26/2015 10:44 AM, David Vanden wrote:
>> > Does anyone know or have a diagram of the distributor rotation for a
>> 1987 Audi 4000 CS Quattro?  I don't know which cylinder plug wire
>> connects to which location on the distributor.  I tried assembling it
>> like the old one and it continues to hesitate and to back fire
>> horribly.  Which is why I changed the plug wires in the first place.
>> The timing is still all off.
>> > Anyway if someone knows the arrangement please tell me.  Assuming I
>> might have had it right the first time and it back fired anyway, does
>> anyone know what the problem might be?  Electronic ignition?  Ignition Coil?
>> > Finally, if anyone has an expansion tank in good shape for this car I
>> would like to get it.  Let me know.
>> > Dave
>> 
>> > _______________________________________________
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>> > http://www.audifans.com/kb/List_information
>> 
>> >
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