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busbill123432 Samba Member
Joined: July 08, 2017 Posts: 2 Location: MD
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Posted: Wed Oct 18, 2017 9:48 pm Post subject: 1978 VW Bus T2 - Cooling |
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I am working on restoring a vw bus and am confused about the aircooled system. How effective is the stock cooling system work? Does anyone have any good diagrams to reference? Would anyone recommend an aftermarket solution?
Thanks |
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Wildthings Samba Member
Joined: March 13, 2005 Posts: 50338
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Posted: Wed Oct 18, 2017 10:01 pm Post subject: Re: 1978 VW Bus Type 2 - Cooling |
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It obviously works very well as your vehicle is forty years old and probably hasn't seen much in the way of cooling system maintenance for the last 30-35 years if it ever has had any at all. Ratwell.com is always a good place to get info on these old rigs. |
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aeromech Samba Member
Joined: January 24, 2006 Posts: 16961 Location: San Diego, California
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Posted: Thu Oct 19, 2017 12:01 am Post subject: Re: 1978 VW Bus Type 2 - Cooling |
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A complete original cooling system works well. Problems start when air seals fail and aren’t replaced or other important parts go missing after all the years. Lots of times aftermarket parts become a bandaid, not a proper repair. For instance, a HD oil pump sounds like a good thing, right? In actuality it can increase the flow to the point where the oil doesn’t have time to transfer the heat and the extra torque for the pump robs engine horsepower. That’s just one example. _________________ Lead Mechanic: San Diego Air and Space Museum
Licensed Airframe and Powerplant Mechanic
Licensed Pilot (Single engine Land)
Boeing 727,737-200-300-400,757,767
Airbus A319,320,321
DC9/MD80
BAe146
Fokker F28/F100
VW type 1 1962,63,65,69,72
VW Type 2 1971 (3 ea.) 1978, 1969
VW Jetta
VW Passat
Capable of leaping tall buildings in a single bound |
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SGKent Samba Member
Joined: October 30, 2007 Posts: 41031 Location: Citrus Heights CA (Near Sacramento)
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Posted: Fri Oct 20, 2017 7:02 am Post subject: Re: 1978 VW Bus Type 2 - Cooling |
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busbill123432 wrote: |
I am working on restoring a vw bus and am confused about the aircooled system. How effective is the stock cooling system work? Does anyone have any good diagrams to reference? Would anyone recommend an aftermarket solution?
Thanks |
there are several different variations on air cooled VW engines, each with their own strengths and weaknesses. Best to start by putting the year and engine type in your signature line or posting it in the thread. FWIW while the engines do shed heat, they easily overheat when pushed too hard, and are prone to cracking of the heads from many heat cycles. Some models have oil cooling deficiencies while others have problems losing valve seats. Ignition timing is critical on these old engines. In spite of this we love these old buses and if you added up all the miles driven by air cooled buses it would be in the billions. _________________ “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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Tcash Samba Member
Joined: July 20, 2011 Posts: 12844 Location: San Jose, California, USA
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