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AirCooledClassics
Samba Member
Joined: August 20, 2004
Posts: 294
Location: Saskatoon, Sk Canada
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TDCTDI
Samba Advocatus Diaboli
Joined: August 31, 2013
Posts: 12848
Location: North Carolina
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 Posted: Sat Oct 21, 2017 10:14 am Post subject: Re: 1971 bus gas heater |
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Lots of info here.
https://www.thesamba.com/vw/forum/viewtopic.php?t=343313&highlight=bn4
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Everybody born before 1975 has a story, good, bad, or indifferent, about a VW.
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An air cooled VW will make you a hoarder.
Do something, anything, to your project every day, and you will eventually complete it. |
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Xevin 
Samba Member
Joined: January 08, 2014
Posts: 7624
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| Posted: Sat Oct 21, 2017 10:28 am Post subject: Re: 1971 bus gas heater |
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Bn4???
Remember there are slight variations amongst Bn4 heaters.
Try this
https://www.thesamba.com/vw/archives/manuals/bn4in...ctions.pdf
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pittwagen
Samba Member
Joined: November 08, 2005
Posts: 765
Location: North of the 49th parallel
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| Posted: Sat Oct 21, 2017 2:50 pm Post subject: Re: 1971 bus gas heater |
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Rather than search through pages of info go here and click on item 11. Go to the full index and click on the pages you need. Wiring diagrams are clearly identified. It would be helpfull to know if you have the BN4 that is correct for a 71 or something later. They are quite different. Oh and check each and every wiring connection for good contact especially any brown wire (ground). First thing I do before I rehab a heater.
http://oacdp.org/ |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51126
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sat Oct 21, 2017 3:23 pm Post subject: Re: 1971 bus gas heater |
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Got the temperature knob under the drivers seat pulled all the way out?, unless it's -10* there it won't ever pump with the knob pushed in.
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