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getmyvwontheroad!
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Joined: July 24, 2015
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Location: Texas
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Tom Powell
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Joined: December 01, 2005
Posts: 4855
Location: Kaneohe
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 Posted: Tue Dec 15, 2015 1:43 am Post subject: Re: 77 vw bus won't shift into gear! |
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| getmyvwontheroad! wrote: |
| And I checked out the How to Keep your VW Alive from the library a few months ago, guess I'll go back and grab it again ! And thanks for the axle explanation, makes sense now |
Check out the book from the library again and read up in it.
Better yet, buy a copy for yourself.
http://www.amazon.com/s/?ie=UTF8&keywords=how+...2n1h3_b_p2
A Bentley is the shop manual, but it doesn't have the explanations that the Muir book does.
http://www.amazon.com/Volkswagen-Station-Wagon-Ser...ley+manual
You'll find information about your CV joints in the Muir book.
BTDC is before top dead center
that is the ignition timing spec
Aloha
tp |
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Tcash
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Location: San Jose, California, USA
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getmyvwontheroad!
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Location: Texas
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Wildthings
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Joined: March 13, 2005
Posts: 50338
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| Posted: Tue Dec 15, 2015 6:14 pm Post subject: Re: 77 vw bus won't shift into gear! |
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| getmyvwontheroad! wrote: |
| So I think the problem may be bigger than the timing or it could be a result of bad timing. I fired up the bus today and it was idling really low at about 600 rpms and I was looking at the motor/exhaust and saw black or dark brownish bits spitting out the exhaust? It looked almost like oil and I was able to see it sitting inside the exhaust. It looked like a liquid ball before it would come out. Does anyone have any idea about this? |
Sounds like dirty condensate, if so it is perfectly normal to see such when a cold engine has first been fired up. So long as the exhaust pipes are below the dew point of the exhaust gases this will happen. |
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getmyvwontheroad!
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Tom Powell
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Joined: December 01, 2005
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Location: Kaneohe
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getmyvwontheroad!
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Joined: July 24, 2015
Posts: 122
Location: Texas
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Tom Powell
Samba Member
Joined: December 01, 2005
Posts: 4855
Location: Kaneohe
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| Posted: Tue Dec 15, 2015 9:54 pm Post subject: Re: 77 vw bus won't shift into gear! |
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| getmyvwontheroad! wrote: |
| ... I can't seem to find the valve cover on mine? |
The valve covers are on top of the cylinder heads.
Aloha
tp |
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getmyvwontheroad!
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Tom Powell
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Joined: December 01, 2005
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Location: Kaneohe
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| Posted: Tue Dec 15, 2015 10:10 pm Post subject: Re: 77 vw bus won't shift into gear! |
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| getmyvwontheroad! wrote: |
Will oil come out when the valve cover is opened? I saw video and oil was dripped out  |
Some, but not much.
Aloha
tp |
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Wildthings
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Joined: March 13, 2005
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| Posted: Tue Dec 15, 2015 11:46 pm Post subject: Re: 77 vw bus won't shift into gear! |
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| getmyvwontheroad! wrote: |
Okay thanks for that, so as far as the timing, I watched the vids and it explained what goes on with the spark plugs/distributor and what not but I didn't catch how to set the actual timing.
Also I can't seem to find these "notches" on the pulley that I would line up? How am I supposed to know top dead center? |
A Type 4 engine is going to have a timing scale as per below. The metal scales are white and the plastic ones are black, but either will do the job.
The pulley is going to have a tiny V notch on the forward rim for the TDC mark. If no one has painted the mark it can be hard to locate. You may need to run your fingernail or a knife blade along the forward rim of the pulley to locate the mark. The mark really needs to be painted, why people don't do this is beyond me. I have the V notch painted and then have a line filed in the outer rim which is also painted, makes life that much easier. |
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getmyvwontheroad!
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Wildthings
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| Posted: Wed Dec 16, 2015 9:35 am Post subject: Re: 77 vw bus won't shift into gear! |
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| getmyvwontheroad! wrote: |
| Mine has the plastic timing scale on it, just no notches. I read you can find top dead center by listening for air out of the first spark plug? Or taking off the valve cover to see the valves? Is this accurate? And here's my engine |
You need the exact TDC not an approximation. Do as I suggested and run your fingernail along the forward rim of the pulley. You could also use a knife blade or anything else that will pick up the minor indentation of the V notch. There is an off chance you might have a pulley off of a Porsche/411/412 which used a timing mark in a different location, there are remedies for this, but first you need to be absolutely sure that you don't already have the proper bus style timing mark. |
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Tom Powell
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Location: Kaneohe
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| Posted: Wed Dec 16, 2015 12:15 pm Post subject: Re: 77 vw bus won't shift into gear! |
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It looks like you have an MSD ignition system. Possibly with wire nut connections.
Aloha
tp |
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getmyvwontheroad!
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SGKent 
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Location: Citrus Heights CA (Near Sacramento)
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| Posted: Thu Dec 17, 2015 3:09 pm Post subject: Re: 77 vw bus won't shift into gear! |
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_________________
“Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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getmyvwontheroad!
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Wildthings
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| Posted: Thu Dec 17, 2015 6:10 pm Post subject: Re: 77 vw bus won't shift into gear! |
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| TDC on a Type 4 engine is when the timing mark lines up with the zero on the timing scale and not with the parting line of the case. |
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getmyvwontheroad!
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