Wdollie6 Bus Thread

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Amskeptic
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Re: Wdollie6 Bus Thread

Post by Amskeptic » Tue Sep 11, 2018 8:04 pm

Latest post of the previous page:

wdollie6 wrote:
Tue Sep 11, 2018 4:42 am
Ambient temps at initial discovery of surging were mid 50s, will advise once adjustments complete. Just to be clear you are referring to the 2 carb adjustments along with the CIS mixture screw, correct? Also one other symptom is that the after warm up idle dropped to a point where the engine could barely keep running. I am also going to ensure that the internal filter on the fuel pump isn't gunked up, haven't checked it in a while.

Hope you found the sun and warmth you were looking for, haven't seen the sun in 5 days, flood warnings again. Now with the post-landfall hurricane turning north, ouch!
Oh hold on for cripes sakes. That other symptom, what do YOU think is going on?
What would YOU check?
What symptom do you suppose you would get if the damn central idling circuit or perhaps a carb cut-off jet is suddenly not working because of a dumb loose wire or whatever?
Do NOT do my little throwaway suggestion with this IMPORTANT ADDITIONAL INFORMATION NOW ON THE TABLE. Go diagnose!
Colin
BobD - 1978 Bus . . . . . . . . . . .111,130 miles
Chloe - 1970 bus . . . . . . . . . . . 206,787 miles
Naranja - 1977 Westfalia . . . . . 91 414 miles
Pluck - 1973 Squareback . . . . . 55,510 miles
Alexus - 1991 Lexus LS400 . . . 72,113 miles

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Re: Wdollie6 Bus Thread

Post by wdollie6 » Wed Sep 12, 2018 4:52 am

Agreed the low idle issue after warm up is in the CIS circuit somewhere, I plan on going through that entire system to make sure this is addressed before making any adjustments. Wire connections to cut off, cut off operation, loose cut offs then will adjust only if necessary. While the surging could be related to the CIS issue, loose wire grounding out, it seemed way to consistent. So once I validate that everything is connected and tight will move forward with checking the filter on the pump (as I believe the surging could be fuel availability related). If that comes up clean then on to pump output and electrical; points, etc..

To your point this is probably something fairly simple. Will finally have time tonight to take a look.

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Re: Wdollie6 Bus Thread

Post by wdollie6 » Wed Sep 12, 2018 2:30 pm

Well that's embarrassing, the wire on the CIS was broken off the spade and the cut off for choke was so loose that it appeared to be making inadvertent contact. Fixed both and back to happy motoring, should have checked before posting but was at the office.

Next step, find the final solution for the shock stud's buggered threads.

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Re: Wdollie6 Bus Thread

Post by Amskeptic » Sun Sep 16, 2018 9:12 pm

wdollie6 wrote:
Wed Sep 12, 2018 2:30 pm
Well that's embarrassing, the wire on the CIS was broken off the spade and the cut off for choke was so loose that it appeared to be making inadvertent contact. Fixed both and back to happy motoring, should have checked before posting but was at the office.

Next step, find the final solution for the shock stud's buggered threads.

Well, there you go. Now, about the shock mounting stud. You know that they are held in with a roll pin, right?

a) get the correct arms

b) punch out the roll pin and old stud, drill carefully for new stud (you need a slight interference fit) tap in new stud to roll pin insertion depth, it is in the Bentley.
Colin
BobD - 1978 Bus . . . . . . . . . . .111,130 miles
Chloe - 1970 bus . . . . . . . . . . . 206,787 miles
Naranja - 1977 Westfalia . . . . . 91 414 miles
Pluck - 1973 Squareback . . . . . 55,510 miles
Alexus - 1991 Lexus LS400 . . . 72,113 miles

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Re: Wdollie6 Bus Thread

Post by wdollie6 » Mon Sep 17, 2018 5:41 am

I did contemplate your proposed approach however discovered that the threads on the outer part of the stud were fine, apparently where the nut had been previously on these arms is where the damage occurred. Chased threads one more time with 10M-1.25 die, then added spacer washer and jam nut with blue loctite. I was able to torque the nut but was concerned that I didn't have 1-2 threads on the outside of the nut (threads were flush), the reason for the loctite. All is good for now as related to shocks, unfortunately the high idle, won't step down is back, so will work on that when I have some additional time. Daughter's wedding is priority, three weeks away.

I will say that FatBoy has never driven or handled better, ignoring the idle issue. He starts up with a little throttle, no choke and runs beautifully. Whereas previously I thought it handled and drove well, the difference is amazing, an even more enjoyable experience. Alignment is on Wednesday so will be downloading the specs. and providing to the shop, anything else I need to share as they have never aligned a VW bus. Their claim is they can align anything, seems a little boastful to me.

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Re: Wdollie6 Bus Thread

Post by Amskeptic » Thu Sep 20, 2018 11:05 am

wdollie6 wrote:
Mon Sep 17, 2018 5:41 am
Their claim is they can align anything, seems a little boastful to me.
Oh hail, we can do THAT, hey Jimmie! tell the man here how you aligned that tractor last week.
BobD - 1978 Bus . . . . . . . . . . .111,130 miles
Chloe - 1970 bus . . . . . . . . . . . 206,787 miles
Naranja - 1977 Westfalia . . . . . 91 414 miles
Pluck - 1973 Squareback . . . . . 55,510 miles
Alexus - 1991 Lexus LS400 . . . 72,113 miles

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Re: Wdollie6 Bus Thread

Post by wdollie6 » Thu Sep 20, 2018 1:06 pm

Type 2 Alignment.jpg
Well here are the results, right, wrong or indifferent, $80 worth. I provided the specs., they did the rest. They indicated that my toe in was way off, didn't surprise me as I did this with a spring loaded curtain rod contraption. They also indicated that they couldn't get the rear to move much, frankly I think my donuts on the torsion bars are worn, never checked those.

Thoughts on results? By the way if you can blow up the image enough you can see the specs utilized in the windows with the measurements.
You do not have the required permissions to view the files attached to this post.

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Re: Wdollie6 Bus Thread

Post by Amskeptic » Thu Sep 20, 2018 7:38 pm

wdollie6 wrote:
Thu Sep 20, 2018 1:06 pm
Type 2 Alignment.jpg

Well here are the results, right, wrong or indifferent, $80 worth. I provided the specs., they did the rest. They indicated that my toe in was way off, didn't surprise me as I did this with a spring loaded curtain rod contraption. They also indicated that they couldn't get the rear to move much, frankly I think my donuts on the torsion bars are worn, never checked those.

Thoughts on results? By the way if you can blow up the image enough you can see the specs utilized in the windows with the measurements.

I don't think much of this waste of time.
1. Did you have the vehicle unloaded with a half tank of gas?
2. Any discussion about rear ride height / rear suspension adjustment BEFORE monkeying with camber and toe?
3. Any mention of WHY we can't get a simple positive camber for the left front wheel?
4. Their chart has me confused. We need toe OUT for the rear wheels, and they need to be the same or you will have rear wheel steering.
5. A spring plate bushing/rear suspension adjustment/home alignment may be in our future.

ColinNanny
BobD - 1978 Bus . . . . . . . . . . .111,130 miles
Chloe - 1970 bus . . . . . . . . . . . 206,787 miles
Naranja - 1977 Westfalia . . . . . 91 414 miles
Pluck - 1973 Squareback . . . . . 55,510 miles
Alexus - 1991 Lexus LS400 . . . 72,113 miles

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Re: Wdollie6 Bus Thread

Post by wdollie6 » Fri Sep 21, 2018 5:36 am

1. Not by plan but yes roughly 1/2 tank of gas. I did have the westy tent, blankets, minimal tools, nothing heavy.
2. No.
3. I asked about this and they said they couldn't get a positive result no matter what they tried. I asked if they rotated the eccentric both ways, answer yes. Makes no sense to me as positive camber should have been straight forward.
4. Agreed.
5. Agreed.

I will say that even though this didn't go as well as planned, the driving experience has improved significantly, a review of things accomplished in 2018:

1. Steering box seal replacement and adjustment. Play in steering wheel went from inches to just under an inch, no binding. Now that alignment is done can recenter steering wheel as the bus tracks incredibly straight (when I can find a road that allows that to happen).
2. Replaced Bus Depot "rebuilt" calipers with the originals I had removed (rebuilt myself of course) and replaced rotors. These brakes are amazing, never felt this type of braking in a VW.
3. Replaced ball joints, other than some installation challenges these tightened up the system immensely. No sloppiness, no noise, just nice smooth driving. I do have the return-to-center steering that is so coveted, not as much as previously but enough.

Items remaining for future opportunities:
1. Rear suspension update and adjustment.
2. High idle will not go away, tap on the pedal does nothing. When the bus is fully warm no issues, only on chokes do I have the issue. I will make some adjustments this weekend to see if I can address.
3. Cleaning up body work issues.

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Re: Wdollie6 Bus Thread

Post by wdollie6 » Fri Sep 21, 2018 5:42 am

Oh, did I say I really love this bus, FatBoy, while challenging at times, just keeps getting better!

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Re: Wdollie6 Bus Thread

Post by Amskeptic » Fri Sep 21, 2018 9:23 am

wdollie6 wrote:
Fri Sep 21, 2018 5:42 am
Oh, did I say I really love this bus, FatBoy, while challenging at times, just keeps getting better!

These cars have that, that . . . thing.
I am enjoying a honeymoon with NaranjaWesty now that it is quiet on the road once more.
BobD - 1978 Bus . . . . . . . . . . .111,130 miles
Chloe - 1970 bus . . . . . . . . . . . 206,787 miles
Naranja - 1977 Westfalia . . . . . 91 414 miles
Pluck - 1973 Squareback . . . . . 55,510 miles
Alexus - 1991 Lexus LS400 . . . 72,113 miles

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