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Board index » All Posts (jayfaubion)




Re: How to troubleshoot my overdrive?
#81
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Jay Faubion
OK, I'll reverse the wires on the governor. I've got to quit assuming things. I figured one connector on the governor was ground and the other was the o/d hot side. Sure didn't know one was for the electromatic clutch.

You have certainly cleared up one other thing - THAT is the kickdown switch? I thought the kickdown switch was that switch in my picture close to the temperature sensor (it is a kickdown switch of some sort, and has two connectors). Probably that was part of the electromatic clutch. I made a bad assumption there that it was the O/D kickdown.

This will have to wait till I get off work tomorrow evening.

Thanks SO much for helping me out. Perhaps I'm close to seeing this work now.

Posted on: 2008/7/7 21:28
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Re: How to troubleshoot my overdrive?
#82
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Jay Faubion
Thanks to all for the input. I got the relay installed and it appears to be working correctly.

The previous owner had cut the two wires from the O/D governor. I removed the governor, cleaned it up, and put new wires on it, then spliced them (best guess) into the two wires that had been cut.

Here's the current situation:

I turn on the ignition key and

(1) I can hear the overdrive relay and solenoid click in.
(2) I have 6 v on both the BATT and SOL sides of the relay contacts.
(3) I have 6 v on both sides of the relay coil (THSW and IGN).
(4) I have 1.1 volts on the kickdown switch, both sides. My kickdown switch has only two connectors, contrary to the switch in the schematic (which has four). That voltage seems a little strange.
(5) When driving the overdrive does not engage.

I'm ready to rewire the whole thing at this point, but am not exactly sure how because of the kickdown switch difference. It seems like it must be mechanically OK or the car wouldn't freewheel. I must be "close" at least electrically since I can hear the solenoid.

Should the solenoid click on as soon as the key is turned on? If not, I am curious why mine now does. Would mixing up the two governor wires cause this? It looks like the governor is no more than a speed-actuated switch, so I'm thinking that wouldn't make any difference.

I am completely lost on this right now. All help APPRECIATED!

Jay

Posted on: 2008/7/7 20:55
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Re: How to troubleshoot my overdrive?
#83
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Jay Faubion
This relay ought to work: It's a Bosch 0332204001, used as a headlamp relay on older (pre-1968) VWs. Cost is less than $17.

We'll see how the rest of the overdrive troubleshooting goes.

Resized Image

Posted on: 2008/7/7 12:07
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Re: How to troubleshoot my overdrive?
#84
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Jay Faubion
Sad to say, my overdrive relay is toast. I guess I'm a motivated buyer now.

Posted on: 2008/7/5 14:19
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Re: How to troubleshoot my overdrive?
#85
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Jay Faubion
(Just got back from the fireworks show)

I picked at the coil with a knife tip before we left for the park, and sure enough the annealed wire came loose where the break was. I pulled about a half inch of it away from the coil and checked it with the ohm meter. Good as gold!

I'm going to try and c-a-r-e-f-u-l-l-y solder it up tomorrow and hope for the best.

49Packard, I hope I can say I will have had the same experience as you!

Thanks, and I'll post tomorrow with the results.

Posted on: 2008/7/4 21:50
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Re: How to troubleshoot my overdrive?
#86
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Jay Faubion
OK, the relay is on the bench and yes, the coil is open. I guess that answers that!

When I momentarily short the SOL wire to the 6v supply I can hear the solenoid click in.

I checked the price of a replacement relay and it looks like $150. Ouch! I think I need to go shopping around a little bit and find a suitable replacement part.

Anyway, I don't want to burn anything up. However it seems, from looking at the diagram, that I ought to be able to safely connect the solenoid wire to the fused 6v supply and have (likely) a working overdrive. Would you agree with that? Do you think that would work for a while?

Jay

Posted on: 2008/7/4 18:11
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Re: How to troubleshoot my overdrive?
#87
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Jay Faubion
With the lockout switch shorted I now get 6v on ONE side of the relay (the right side, terminal NOT marked "SOL"). No voltage on the left side of the relay.

No voltage also on the kickdown switch, but FWIW I did do a resistance check and the switch is working (normally ON, with throttle OFF).

Does this sound like a bad relay? If so, do you think it may be user-serviceable? That is, something I could try and accomplish?

Posted on: 2008/7/4 16:46
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Re: How to troubleshoot my overdrive?
#88
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Jay Faubion
Thanks for the quick reply. Yes, parts of the electromatic have been removed. It was more than I wanted to work on.

I'm going to go out now and short across the lockout switch under the dash and see where I go from there. It's likely that the lockout switch is faulty. I remember the bakelite portion had been damaged, but it looked ok otherwise at the time.

Jay

Posted on: 2008/7/4 15:34
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How to troubleshoot my overdrive?
#89
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Jay Faubion
I have a 1949 22nd series. It has overdrive, but the overdrive has not worked since I got the car and began working on it. It runs so well otherwise at this time that I have saved the overdrive for last.

The overdrive will not engage. Here's what I know:

* The dash indicator lamp does not light.
* The car free-wheels at driving speed when I let off the accelerator.
* I don't see a reverse lockout switch anywhere near the shifter shaft.
* There is no voltage on either side of the kickdown switch.
* The lockout switch under the dash is open (6v on one side only), and the cable is pushed in (forward).
* The overdrive relay has three terminals: 1 on the left, two on the right.
--- One of those on the right is marked 'SOL'.
--- There is a fuse block mounted on the front.
--- Both sides of the fuse have 6v.
--- None of the three terminals show any voltage.


You can see the relay and switch here.

Any troubleshooting help anyone can offer will sure be appreciated!

Posted on: 2008/7/4 13:50
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Re: Oil leak - Boy Do I Feel Dumb
#90
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Jay Faubion
Hopefully this writes the final chapter on my big old oil leak! After doing some more driving today virtually no oil leaked from the engine at all (well, one drop, one time). I am thrilled.

I never would have thought of the fuel pump being loose. I'm sure glad I got under the car "one more time" and wiggled everything real good.

Back to driving and enjoying it now.

Posted on: 2008/7/2 21:29
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