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55 ragger
Samba Member
Joined: August 18, 2005
Posts: 303
Location: CANADA
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 Posted: Tue Mar 18, 2025 10:38 am Post subject: new build 1600 cc locked up ? |
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As soon as I put the front pulley on, it will not turn over
I know for sure the oil slinger is install correctly , just put it together last week
Set the end play installed the front pulley and its locked,
If I take off the pulley it will turn free again, I have done a search but no answers but oil slinger could be backwards,this is why I took it apart .... second time and now
I'm reaching out . thanks |
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Brian_e 
Samba Member
Joined: July 28, 2009
Posts: 3970
Location: Rapid City, South Dakota
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| Posted: Tue Mar 18, 2025 11:30 am Post subject: Re: new build 1600 cc locked up ? |
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Check the diameter of the hub on the pulley, and compare it to the bore in the case. Some of the aluminum pulleys are too large.
Make sure the inside of the pulley isn't hitting a long oil pump stud.
The slinger's "cup" should be facing the pulley.
Brian
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55 ragger
Samba Member
Joined: August 18, 2005
Posts: 303
Location: CANADA
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| Posted: Tue Mar 18, 2025 12:22 pm Post subject: Re: new build 1600 cc locked up ? |
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Ok that's a good start . thanks Brian _e
I have a few pullys, will check |
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BFB
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Joined: November 03, 2014
Posts: 2646
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| Posted: Tue Mar 18, 2025 1:10 pm Post subject: Re: new build 1600 cc locked up ? |
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id built one that did the same thing, turned out that the pulley was rubbing the case snout. I think someone had dropped the case and it landed on the snout and moved it just enough to make contact. I could see the shiney spot where the pulley was rubbing and just to some sandpaper to it and cleaned it right up, no probllama
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"how am i supposed to torque the rear wheel nut to 250 ft lbs??? " - clonebug
An interesting thing happens in forums where everyone starts parroting the same thing and "common knowledge" takes over.
Most experts aren't. |
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RWK
Samba Member
Joined: June 24, 2009
Posts: 1614
Location: S.W. MI
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| Posted: Wed Mar 19, 2025 6:09 am Post subject: Re: new build 1600 cc locked up ? |
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Or possibly the crank snout is bent a bit, check it for run out with your indicator.
Pulley may be fine.
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Cusser
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Joined: October 02, 2006
Posts: 33056
Location: Hot Arizona
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| Posted: Wed Mar 19, 2025 7:35 am Post subject: Re: new build 1600 cc locked up ? |
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Could your oil pump cover be pressing the tin against the crankshaft pulley?
Ask me how this came to mind....
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1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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55 ragger
Samba Member
Joined: August 18, 2005
Posts: 303
Location: CANADA
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| Posted: Wed Mar 19, 2025 11:27 am Post subject: Re: new build 1600 cc locked up ? |
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All clear on oil pump .
I will have to look more at the pulley looking for shinny areas, and will measure
moving forward !!! |
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BFB
Samba Member
Joined: November 03, 2014
Posts: 2646
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| Posted: Wed Mar 19, 2025 5:46 pm Post subject: Re: new build 1600 cc locked up ? |
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| Cusser wrote: |
Could your oil pump cover be pressing the tin against the crankshaft pulley?
Ask me how this came to mind....
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Good one, good one! Been there too
_________________
"how am i supposed to torque the rear wheel nut to 250 ft lbs??? " - clonebug
An interesting thing happens in forums where everyone starts parroting the same thing and "common knowledge" takes over.
Most experts aren't. |
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55 ragger
Samba Member
Joined: August 18, 2005
Posts: 303
Location: CANADA
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| Posted: Wed Mar 19, 2025 6:19 pm Post subject: Re: new build 1600 cc locked up ? |
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BFB Thank -you
You were correct, on closer inspection the pump cover was the problem,
I will post a picture
I ground it down and it looks good.
cheers
Rob. |
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55 ragger
Samba Member
Joined: August 18, 2005
Posts: 303
Location: CANADA
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| Posted: Thu Mar 20, 2025 7:35 am Post subject: Re: new build 1600 cc locked up ? |
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Before and after moving
toward to first start up |
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 33056
Location: Hot Arizona
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| Posted: Thu Mar 20, 2025 8:45 am Post subject: Re: new build 1600 cc locked up ? |
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| 55 ragger wrote: |
BFB Thank -you
You were correct, on closer inspection the pump cover was the problem.
Rob. |
Good that you found it, but the "winner, winner, chicken dinner" goes to me !!!
Bad that the suppliers have KNOWN about such clearance issue for years, and the same products still get made and sold. As I have stated before, the Maxi2 oil pump covers I purchased in early 1980s and in 2017 both had same issue, even though the casting had been updated changing the stamping name from "Claude's Buggies" to "CB Performance" over that time.
For example aluminum adapter plates for aftermarket Weber carburetors for small trucks continue to be supplied "warped" so folks need to sand flat on a piece of glass, and the adapter notch needs to be ground larger for the PCV hose to attach to the manifold.
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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BFB
Samba Member
Joined: November 03, 2014
Posts: 2646
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| Posted: Thu Mar 20, 2025 6:55 pm Post subject: Re: new build 1600 cc locked up ? |
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| Cusser wrote: |
| 55 ragger wrote: |
BFB Thank -you
You were correct, on closer inspection the pump cover was the problem.
Rob. |
Good that you found it, but the "winner, winner, chicken dinner" goes to me !!!
Bad that the suppliers have KNOWN about such clearance issue for years, and the same products still get made and sold. As I have stated before, the Maxi2 oil pump covers I purchased in early 1980s and in 2017 both had same issue, even though the casting had been updated changing the stamping name from "Claude's Buggies" to "CB Performance" over that time.
For example aluminum adapter plates for aftermarket Weber carburetors for small trucks continue to be supplied "warped" so folks need to sand flat on a piece of glass, and the adapter notch needs to be ground larger for the PCV hose to attach to the manifold. |
Thats right, wasn’t me that said it. Gotta give credit where credits due.
Also, i think a lot of those pumps are designed for power pulleys so if you use a larger size this is the issue you into. Ive swapped “stock” size pulleys that did this for a power pulley and had no issue, they should state that in the listings or directions if there are any. But you figure it out quick enough regardless
_________________
"how am i supposed to torque the rear wheel nut to 250 ft lbs??? " - clonebug
An interesting thing happens in forums where everyone starts parroting the same thing and "common knowledge" takes over.
Most experts aren't. |
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55 ragger
Samba Member
Joined: August 18, 2005
Posts: 303
Location: CANADA
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| Posted: Fri Mar 21, 2025 5:12 am Post subject: Re: new build 1600 cc locked up ? |
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Cusser thanks,  100 % x2
I actually thought it was the oil slinger . broke it down last Monday and it was fine, but not total a wast of time . found out I missed filling the return on the oil pump and the return on the case. I taped them but didn't put in the plugs,
Now full flow will be flowing better .
BFB I could not find a power pulley around this area. so went for stock,
thanks for all your help hopping to start and break in this weekend, |
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