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hard start relay?.. Iím guessing you mean to say a ignition switch by pass relay to reduce potential voltage drop to the starter solenoid.

 

Yes, commony known in the VW world as a hard start relay.  A super common problem on older VW's not equipped with a starter relay.
Even if this is not the cause it's well worth fitting one for the sake of a $20 relay.
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80 - 90 - Coupe - quattro - S2 - RS 2 / Re: Build thread - Rob's Audi UR Quattro
« Last post by Horch on July 22, 2018, 08:54:42 pm »
hard start relay?.. Iím guessing you mean to say a ignition switch by pass relay to reduce potential voltage drop to the starter solenoid.

IMO there is multiple issues yet to be addressed. The obvious one being what Rob is yet to resolve and thatís the battery going flat and the need to change it weekly. You can go into a tail spin and chase a miultitude of earth straps, relay install, etc etc all day long but first fix the obvious. Guessing possible cause vs diagnosis becomes expensive and frustrating.

If the source power supply is toast then you need to start there and get this resolved.
1.  Fully charge the battery and have it load tested to the correct specification and capacity.
2.   If itís ok then check current draw to establish if it is being drained by a consumer. Ie alarm, boot light, audio.
3.   If itís holding a charge with no consumers then you need to check the starting circuit voltage drop
4.   Finally charging circuit alternator output.



3
Rear wheel bearings done, these should outlive the car. Had to buy a bearing removal / install tool kit but was able to sell it again on trademe for only a small loss.

I spent ages searching for the rubber boots for the rear control arm spherical joints but no luck with these so I bought two rear control arms on ebay for about NZD$130 delivered.

New CV boots and re-greased CV joints on the rear half shafts.

I found rear shocks for US$115 each plus $50 shipping from rockauto but didn't have the money on hand at the time to purchase and now the NZ dollar has dropped in value I will get pinged for GST + $50 customs fee at the border so unfortunately don't have the money for these right now so they will have to wait.

I lost the handbrake return spring from the right rear caliper! Lucky for me the spring for the right rear caliper is on ebay brand new genuine part, the left rear appears to be NLA, so I fricken hope it fits..

Everything here removed, stripped any damaged paint, painted and reinstalled just waiting on the few parts as above.



4
exciting racing !
safety car with 20 minutes to go.
top 5 bound merc sls spins 5 min from finish !
dnf , gutting !

race report
https://www.velocitynews.co.nz/news.php?id=3300









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General Discussion / Re: What did you do to your VAG today?
« Last post by brian on July 22, 2018, 03:26:54 pm »
Yes, although I have been a bit slow getting around to the touch up as it made me somewhat annoyed every time I looked at it.
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General Discussion / Re: What did you do to your VAG today?
« Last post by schattenblau on July 22, 2018, 03:16:17 pm »
new car ?
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General Discussion / Re: What did you do to your VAG today?
« Last post by brian on July 22, 2018, 01:15:46 pm »
Touched up the stone chips I got on the delivery drive home!!   :'(
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80 - 90 - Coupe - quattro - S2 - RS 2 / Re: Build thread - Rob's Audi UR Quattro
« Last post by 80 Vert on July 22, 2018, 11:05:18 am »
I'll say it again.......fit a hard start relay.....
https://www.thesamba.com/vw/forum/viewtopic.php?t=404521
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General Discussion / Re: What did you do to your VAG today?
« Last post by Audi do on July 22, 2018, 11:05:05 am »
What did you do to your VAG today?.
Looked at it.
10
I spent most of yesterday doing things on Rusty, but I don't feel like I made any progress in actually fixing anything.

About halfway through the day, the involuntary horn issue re-appeared!



Somehow the screw at the bottom has snapped, vibrated out and made contact with the horn slip ring. Causing random beeps when steering.



Then there was the intermittent starting issue. Left it ten minutes, no joy. Left it another ten, fired up fine.
Video: https://www.facebook.com/ProjectRustyquattro/videos/1413868148713477/

I pulled the carpet back, to check out the main power wiring.


It actually looks decent.


My "helper"


I replaced the third engine earth (now that I've located it :D )


It seemed to slightly improve the drop in voltage on cranking. But the issue is still there. Next step I think will be to completely replace the wire from ignition to starter as apparently it takes a somewhat circuitous route.

Then there's the suspension clonking, which concerns me. I jacked up the car and checked everything and it all seems tight.
Took Rusty to a local tyre place and we had a good look over the underside, swung off the suspension. All we could hear underneath was a creak from one of the rear wishbone bushes.


But it's more of a "something is loose" noise. Hoping to have time today to drop the suspension and check the top mounts and other bits I can't see.
I have a weekend in Taupo booked next weekend with the family and I really want to take Rusty. At the moment it's not looking good.

The pouring rain provided some more leak testing. The boot is leaking in two places at opposite corners - behind the wheel arch and behind the right rear light.
I also need to fix the holes causing a leak above the driver's footwell. That has been on the list for ages, but I need to get onto it now I'm driving the car.



So lots to do, and nothing fixed yet!


At the shops, refusing to start. The exact same thing happened in the same place last time too. And both times, leaving the car for a while fixed it. So random.
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