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Search: Posts Made By: Katman
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Forum: Audi 4000 / Coupe GT Discussion
10-16-2018, 06:01 PM
Replies: 73
Views: 21,148
Posted By Katman

Not sure if I can help, but here's a try.. ...

Not sure if I can help, but here's a try..

If the current in the DPR isn't 'oscilating' a bit, that means the ECU is in 'open loop' mode, so not using the 02 sensor for an input, but just using...
Forum: Audi 4000 / Coupe GT Discussion
10-16-2018, 05:31 PM
Replies: 2
Views: 1,277
Posted By Katman

I seem to remember seeing that one for sale, in...

I seem to remember seeing that one for sale, in the Toronto area perhaps?

IF you or you son are on Facebook, you should sign up for the 'Toronto Audi Quattro Club' group. . Many in that group are...
Forum: Audi 4000 / Coupe GT Discussion
10-16-2018, 05:24 PM
Replies: 14
Views: 5,603
Posted By Katman

Also check that the ECU has it's fuse in place.....

Also check that the ECU has it's fuse in place.. Often gets mistaken for a 'spare' fuse, then gets reused somewhere else..

It should be the only fuse in the 'side' row of fuses, that are closest...
Forum: Audi 4000 / Coupe GT Discussion
08-13-2018, 12:47 PM
Replies: 2
Views: 1,274
Posted By Katman

Not sure what you mean by 'performance parts', as...

Not sure what you mean by 'performance parts', as it's hard to get much more power on an non-turbo moto without spending serious money. That being said, there are things you can do to 'tweak'...
Forum: Audi 4000 / Coupe GT Discussion
07-31-2018, 01:19 PM
Replies: 73
Views: 21,148
Posted By Katman

Have you checked 'fuel flow rate'? Basically, you...

Have you checked 'fuel flow rate'? Basically, you undo the fuel line up front, force the fuel pump to turn on, and measure how much fuel you get in a set amount of time( values are in the Bentley...
Forum: Audi 4000 / Coupe GT Discussion
07-21-2018, 05:01 PM
Replies: 73
Views: 21,148
Posted By Katman

I think you can get hose rated a 'vaccum' hose,...

I think you can get hose rated a 'vaccum' hose, but can't see any reason to not replace with rubber. Other cars use that.. :-)

And as an FYI: Many people ditch the vacuum pump on the head (bu...
Forum: Audi 4000 / Coupe GT Discussion
07-21-2018, 04:56 PM
Replies: 73
Views: 21,148
Posted By Katman

Looks to be the right part. Also crosses to part...

Looks to be the right part. Also crosses to part number:035 919 369 MItem 32 (in brackets):
https://audi.7zap.com/en/usa/audi+4000+quattro/a40q/1986-60/1/121-11000
Forum: Audi 4000 / Coupe GT Discussion
07-20-2018, 08:25 PM
Replies: 73
Views: 21,148
Posted By Katman

You guys! (assuming JT motor) The 'thermal time...

You guys! (assuming JT motor) The 'thermal time stuff' is what controls the cold start injector, and ONLY works when motor is stone cold *AND* you are cranking it over. (sebnsor for that mess is on...
Forum: Quattro: Turbo / Ur / Sport
07-03-2015, 09:59 AM
Replies: 1
Views: 3,372
Posted By Katman

I'd suggest that you swing over to the 5000...

I'd suggest that you swing over to the 5000 forum..
Audi 5000 / 200 / V8 Discussion - AudiWorld Forums (https://www.audiworld.com/forums/audi-5000-200-v8-discussion-27/)
While I think all of the...
Forum: Quattro: Turbo / Ur / Sport
06-23-2015, 12:01 PM
Replies: 0
Views: 2,766
Posted By Katman

Have a running urq?

With a bunch of URQ's changing hands over the past six months - how many are actually running in the US and Canada?

Kosoh is running an informal survey on how many urqs are still running around.....
Forum: Audi 5000 / 200 / V8 Discussion
06-01-2015, 08:18 AM
Replies: 8
Views: 5,456
Posted By Katman

No start when hot? "Classic" fuel pressure...

No start when hot?
"Classic" fuel pressure not holding up when hot (and motor shut down), so you kind of get a form of 'vapor lock' that lots of cranking gets you around (eventually!)

Typically...
Forum: Quattro: Turbo / Ur / Sport
09-11-2012, 04:54 PM
Replies: 2
Views: 2,902
Posted By Katman

True. Maybe somewhere in the 600's ever sold...

True.

Maybe somewhere in the 600's ever sold in the US, and ~100 sold in Canada, plus a few that have been imported, less all the ones exported.

Take away all the ones that have died, and you...
Forum: Quattro: Turbo / Ur / Sport
09-11-2012, 04:46 PM
Replies: 1
Views: 2,174
Posted By Katman

Here's one for sale.. http://forums.quattro ...

Here's one for sale..

http://forums.quattro
world.com/quattro/msgs/8799.phtml
(you'll have to fix the above link)

<img...
Forum: Audi 4000 / Coupe GT Discussion
05-09-2012, 04:39 PM
Replies: 25
Views: 3,416
Posted By Katman

If you don't want to lower it, and want...

If you don't want to lower it, and want 'inexpensive"...

Get some front springs from 'coupe quattro' (90 coupe).
Put them in the forn of your 4kq (makes it a bit stiffer an slightly higher),...
Forum: Audi 4000 / Coupe GT Discussion
04-13-2010, 05:42 PM
Replies: 5
Views: 1,199
Posted By Katman

The plastic (!!!) reduction gears in the newer...

The plastic (!!!) reduction gears in the newer starters are also know to crack. Usually results in flaky starting for a while, leading to eventual total failure.

(Similar Bosch Volvo starters have...
Forum: Audi 4000 / Coupe GT Discussion
03-07-2010, 09:00 PM
Replies: 10
Views: 11,936
Posted By Katman

D P R wiring / Power

THe distributor pressure regulator should *always* have soem sort of power, *IF* the ECU has power.

Check that the single fuse int the row of fuse sockets along the fender side of teh fusebox is...
Forum: Audi 4000 / Coupe GT Discussion
12-28-2009, 05:02 AM
Replies: 9
Views: 2,837
Posted By Katman

Other Alternatives..

IF you need to widen your search..

Audi 5K , and the older 100/200 tailights are exactly the same as 4000 tailights.

Also, V8 tailights are physically the same size, but are all red, instead of...
Forum: Audi 4000 / Coupe GT Discussion
12-28-2009, 04:52 AM
Replies: 1
Views: 1,410
Posted By Katman

Turbo conversion

For sure, swap motor (by the time yhou are done) is probably easier and a better solution.

TUrbo motor has all the 'work' done for you. Already has the turbo oil and water feeds and returns in...
Forum: Audi 4000 / Coupe GT Discussion
11-16-2009, 07:13 AM
Replies: 5
Views: 1,173
Posted By Katman

Yes, we've seen that car before. Last I had...

Yes, we've seen that car before.

Last I had heard, the seller had 'sold' the wheels, but not the car.

I don't see how you could sell that car without the wheels? Those flares would look really...
Forum: Audi 4000 / Coupe GT Discussion
10-21-2009, 03:56 PM
Replies: 31
Views: 13,391
Posted By Katman

FUsebox under the hood is good, and the...

FUsebox under the hood is good, and the changeover was somewhere is '83..
Forum: Audi 4000 / Coupe GT Discussion
10-03-2009, 10:55 AM
Replies: 4
Views: 691
Posted By Katman

Replacement Springs.. Pretty well any 4k (or...

Replacement Springs..

Pretty well any 4k (or 4kq) front springs will work in the coupe.

Even Audi 90 springs will fit, but may be a bit stiffer.

Maybe post on some of the other Audi forums,...
Forum: Quattro: Turbo / Ur / Sport
09-28-2009, 06:24 PM
Replies: 17
Views: 3,040
Posted By Katman

The best? Maybe if you don't ever drive your...

The best?

Maybe if you don't ever drive your urq! :-)

What if you actually drive it though?

I've just put on 2500 miles on mine in the last two weeks..
Forum: Audi 4000 / Coupe GT Discussion
09-22-2009, 05:24 AM
Replies: 2
Views: 1,700
Posted By Katman

The voltmeter uses only two wires, with it's +12V...

The voltmeter uses only two wires, with it's +12V (+ terminal) on the top lead, and it's ground on the bottom lead. (Upside down T terminal). You could use that as is in the subaru.

The other two...
Forum: Audi 5000 / 200 / V8 Discussion
09-21-2009, 10:16 AM
Replies: 8
Views: 1,503
Posted By Katman

Or... Compressor is seized

Or... Compressor is seized, causing the clutch/belt to be slipping! :-(

With the motor running, turn on the air, and see if the clutch (center front part of AC compressor pulley) is turning.
...
Forum: Audi 4000 / Coupe GT Discussion
09-15-2009, 04:05 PM
Replies: 2
Views: 517
Posted By Katman

Sending unit can fail (try unplugging the...

Sending unit can fail (try unplugging the connector on the top rad hose that *doesn't* have the metal clip. That sender does the temp gauge and overtemp light.

If light goes out , then that's your...
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