85 UR quattro

More Concours Prep. The Untold Story

Before we dropped the 85 Quattro off at Auto Europe for detailing we had been trying to diagnose some running issues. Basically the car would hesitate when transitioning onto boost but otherwise ran pretty good. There are no real diagnostics on these cars and the CIS injection we find baffling but thought we could troubleshoot it. We went ahead and bought a CIS fuel pressure tester kit to check the...
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More Concours Prep. For Our Quattro

With only a few weeks to go before the Concours of America we thought we better get in stuck and fix some issues with the car so we got it into surgery:     Where we removed the TIM and BRAID stickers we have had on the car since we got it:     Put the stock steering wheel back on:     Put the stock wheels back on:  ...
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Getting the 85 Quattro Ready for Concours

WOW. We can’t believe it’s been a year since we updated this thread. Better get cracking. Let’s see, what have we been up to?   Well, before we put it away for the winter we took it to the gas station to fill it up but on the way back it died at a light. Took much cranking to get it to fire back up but then we only had...
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85 UR Quattro Is So Clean

Took the car to AutoEurope in Birmingham for: new tires alignment detailing dent removal Now so clean. Hadn't been cleaned for three years! They did a great job. Shame it's parked back in the showroom and not in my drive. Next on the agenda is to address the hesitation under load at around 3-4000rpm. Any ideas?
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85 Quattro Out and About

The car is running but not perfectly (more later) so I have been taking every opportunity to drive it and pose around in it. Took it to the post office: A cars and coffee or two: Parked in in the driveway: and at the showroom: I even parked it outside the local Audi dealer: This really is the key to happiness. Paul Eddleston-BRAIDusa & Team Illuminata + 0 Votes
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85 UR Quattro Needs Some Tires

HELP US CHOOSE SOME TIRES. The Kumho all seasons (no seasons) that are on the car are done so it's time for some new rubber. The stock size of 215/50-15 is NLA in anything affordable and streetable so it's going to be 225/50-15 again. The car does not see winter so summer tires are a must. I don't track it but want the most grip I can afford in case...
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85 Quattro. Diff Done!

Well, the diff project is done, not without with some casualties. Read on………. Our friend Carlos, a venerated old car genius, made a jig for the press to keep everything aligned while pressing in the notorious pair of small sub frame bushings. The large pair went in like you’d hope a bushing went in: easily. Well that didn’t work and we destroyed one $50, only available from Germany bushing. Apparently...
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Differential Equations 85+URQ=?

It’s been another slow project. Who would have thought replacing three diff seals would take this long? LOL So we replaced the rear diff mount. The old one came out on the press but the new one only needed a g-clamp and some grease to persuade it home. Fortunately we took pictures so we were able to orient it correctly; or at least the same. We searched hi and low...
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85UR Quattro Speedi-Sleeve Fail

Got the right axle seal in but not started on the right one yet, the BIG one. Had to order the drive shaft seal as I had the wrong one but I did try fixing the groove in the shaft with a Speedi Sleeve. These press on the shaft using the tool provided with the sleeve but it didn't go too well and we were very disappointed with the tool...
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85 UR Quattro Rear Diff Tear Down-ish

We started to dismantle the diff and subframe. Dismantle might be too strong a word and we are just replacing bushings and seals, but it is an old Audi. Drive shaft and both axle flanges are out. This is the big seal on the left. No longer available but 034 Motorsport had some made. Phew! Will need to replace this as it broke off the diff lock actuator shaft. Will...
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85 Quattro Drops it's Sub Frame

How hard could it be? Very Well the axles and drive shaft needed some persuasion to let go of their respective couplings. A few wacks with a hammer did the job. We made some room by disconnecting the lower control arms and the tie rods from the sub frame.   Then moved on to the sub frame bolts. Two came out easily. However, the rear right was seized in the...
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85 Quattro Under the Knife, Again!

Uh oh! Car is on the lift again! Hopefully not for two years this time.The plan is to drop the diff and reseal it. Three main seals to replace and I think they are all leaking to some extent.My first plan was to undo the axle and drive shaft bolts, undo the diff mounts and then, hopefully wrangle the diff out. All the axle and drive shaft bolts came out...
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Leaky 85 Quattro - fixed?

It's been winter for too long already so no driving the 85. No working on it either as our 83 rally build and wheel sales have been keeping us busy. We have been picking away at the hydraulic system leaks however. We easily sourced some new pressure switches for the hydraulic bomb and quickly replaced the one on the side. However we did manage to disconnect a wire in the...
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Tidying Up After the 85 Quattro

Been looking for opportunities to show of the car and have some fun with it before we run out of season. The demise of our A3 left us with some 17" BRAID Fullrace A wheels and 225 tires lying around and with the help of the spacers that our ALLROAD doesn't need with it's winter wheels it soon became obvious what we must do. Throw them on the quattro! This...
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85 Quattro Out and About

Sorry about the lack of updates. Got distracted by some work related events not the least of which was attending LSPR with our 911 and other assorted old rally cars. Since we got back we haven't worked on the car but taken every opportunity we could to drive it. This included a funeral, a couple of cars and coffee events, an open house and running to Autozone for parts for...
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85 UR Quattro is Back!

So, a lot of work but not a lot of updates. Here's why. Bled the brakes. Reinstalled the grill and the bumper. and put it back on all fours for the first time in years. Then got it to idle and run quiet. https://youtu.be/4aqI0iT-wP8 Then drove it off the lift. https://youtu.be/Qp0ASTHZ-V8 Then took it for a drive. https://youtu.be/ypoHY6EsoyQ Then stood back and admired it https://youtu.be/FfhyveNAIPI Happy birthday to me!
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The Quattro Lives!

So, assembly continues as we edge nearer to the momentous day when it drives itself off the hoist, hopefully down the road and not into winter storage. Got the throttle body cleaned, adjusted and back on. Then had to fix the inlet air temperature sensor. Fortunately our 83 has one that looks like it was a replacement once. Ohms check check out too. A bit of electrical shenanigans and it's...
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Quattro Nearly Finished

Today's progress. Hopefully not this weekend's progress. Connected the fuel lines to the warm up regulator. New fuel filters: There really isn't much left to do. At least to get it running: CRANK BOLT THROTTLE BODY WIRING ISSUES SPARK PLUGS TRANS FLUID Then once it works: COOLANT REAR BRAKE LINE BLEED BRAKES, CLUTCH PS STEERING FLUID WIPERS BUMPER HEADLIGHT INJECTOR BLOWER TIGHTEN CONTROL ARMS ADJUST SHIFT LINKAGE ALIGNMENT DETAIL Then...
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On a Quattro Roll

On a roll now :) Jumped the fuel pump relay to drain some old fuel. New filter Had to come up with a way to mount this thingy-me-jig as the mounting tabs were long gone. Turbo inlet. Tight down there. and fuel distributor Our parts shelf is look quite bare now.
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Injecting Some Pace Into the Quattro Project

Feels like we are very close. Also feels like winter is approaching. Better get cracking. Started cleaning the fuel injection system. Decided not to dismantle it and just leave well alone. Air filter housing: New injectors and seals Battery! Paul Eddleston-BRAIDusa & Team Illuminata
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85 quattro. We Have Ignition

When we left you we were trying to figure out where the little spring went in the distributor and contemplating reinstalling the ignition system. Well, just prior to our trip to Pebble Beach for the car events and elsewhere we did just that: We pulled the distributor from our 83 and it turns out it goes right here: So we popped it in, reassembled the distributor and installed it on...
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Quattro Teaser

Not had much time to work on the car lately what with work and domestic activities but here's a little video Winding Road did of the car a few years ago as motivation for us and a teaser for you. Soon be doing this again. https://www.youtube.com/watch?v=UCaySv1Blok Paul Eddleston-BRAIDusa & Team Illuminata
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STAY COOL AND QUATTRO ON.

Yes, we put the cooling system back in. Found some new old stock hoses in the parts bin too :) Starting to look together :) On an unrelated topic does anyone know which one of these two connectors goes to the warm up regulator and where the other one goes to? Next, the ignition system, perhaps. However, this little spring was left over from the distributor refresh. We can't figure...
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Bars, belts and hoses for our 85 Quattro

Quite a bit of progress to report on our 85 Quattro: Installed the front anti roll bar. Almost forgot it had one. Installed the new hydraulic pump belt. Of course we had to remove the pump to get the belt over the pulleys. Not a lot of room in front. Also installed the alternator belt though we didn't think we had one. Our car (WX) is supposed to use a...
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