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New owner looking for advice!
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dmcgifford
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Joined: June 22, 2012
Posts: 4
Location: Cranbrook BC
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PostPosted: Mon Jun 25, 2012 10:21 pm    Post subject: New owner looking for advice! Reply with quote

Hey everyone,

So my wife and I just purchased a 1974 kombi in decent condition. It is not running though. The previous owner was told by her mechanic that it was the fuel pump but I have removed that from the vehicle and it operates correctly holding it pressure. The reason the mechanic said the fuel pump was because the fuel has mixed with the oil. My question is, have any of you come across this and if you could pass along some advice, that would be awesome! My guess is at some point the fuel and oil comes close to each other and a gasket has blown.

Thanks in advance!
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Daverham
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PostPosted: Mon Jun 25, 2012 10:39 pm    Post subject: Reply with quote

Carb trouble could do that too... if you have carbs. More engine specifications, please.

Displacement, fuel system, etc. What are we working with here?
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Devon-Dyno-Soar118
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Joined: August 30, 2004
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Location: Devon UK
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PostPosted: Mon Jun 25, 2012 11:38 pm    Post subject: Reply with quote

A compression test might be worth doing too. Have you tried servicing the engine, e.g. Change plugs, points, set timing and oil change, then see how it runs?
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71 West coast Kombi
54 Oval, 60k km from new
Daves 68 Bug Project
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dmcgifford
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PostPosted: Tue Jun 26, 2012 6:44 am    Post subject: Reply with quote

From what I can tell its the 1800 engine with dual carbs. Not sure what you mean by fuel system? It is gravity fed with a mechanical fuel pump. I am in the process of changing its oil. I have also purchased new spark plug wires as there was one missing. At this point I'm basically going to try turning it over after I get everything back together. The oil definitely had fuel in it as I could smell it pretty bad!

I appreciate all the help!
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Devon-Dyno-Soar118
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PostPosted: Tue Jun 26, 2012 6:59 am    Post subject: Reply with quote

Before some other smartarse gets this one in, do you have a workshop manual?
I would keep goin how you are but properly service the ignition system, replace as much as possible then set it up by the numbers for your timing etc. if the ignition timing is all out it won't run or will just sound really rough. If you do it right you could have a sweet running bus in one go
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71 West coast Kombi
54 Oval, 60k km from new
Daves 68 Bug Project
Rust Collector.
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busdaddy
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PostPosted: Tue Jun 26, 2012 7:39 am    Post subject: Reply with quote

Welcome, here's the first tool you need: http://www.thesamba.com/vw/forum/viewtopic.php?t=6
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Manfreds78bay
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PostPosted: Tue Jun 26, 2012 2:21 pm    Post subject: Reply with quote

Welcome. You have come to the right place. This not the type of used car you can just buy and get running. There is a danger factor here you may not be aware of. Old fuel lines can easily cause a fire. Which wouldn't be a such a risk factor if the gas tank wasn't so very close to the engine.

My advice would be following:

1. Check/ Replace all fuel lines.
2. Check/ Replace all vacuum lines.
3. Buy a Bentley repair manual.
4. Change all fluids.
5. Do a complete tune up.
6. Inspect the front and rear beams
7. Inspect all brakes


Fuel has mixed with oil? So when you drain the oil do you have gas in there? Or oil some how being burned in the cylinders with the gas?
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dmcgifford
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Joined: June 22, 2012
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Location: Cranbrook BC
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PostPosted: Tue Jun 26, 2012 8:52 pm    Post subject: Reply with quote

Manfreds78bay wrote:
Welcome. You have come to the right place. This not the type of used car you can just buy and get running. There is a danger factor here you may not be aware of. Old fuel lines can easily cause a fire. Which wouldn't be a such a risk factor if the gas tank wasn't so very close to the engine.

My advice would be following:

1. Check/ Replace all fuel lines.
2. Check/ Replace all vacuum lines.
3. Buy a Bentley repair manual.
4. Change all fluids.
5. Do a complete tune up.
6. Inspect the front and rear beams
7. Inspect all brakes


Fuel has mixed with oil? So when you drain the oil do you have gas in there? Or oil some how being burned in the cylinders with the gas?


I was wondering about the fuel lines so I will do that. I have a Hanes manual is the Bentley better? I am changing the fluids. Not sure what's all involved on the tune up. Looks like new spark plugs are in there and I bought new spark plug wires....bought new battery, anything else? By beams, do you mean the support beams that run across underneath the bus? Sorry Smile I only have some basic mechanic knowledge so hoping to do a lot of learning!

Definitely fuel in the oil, when drained the oil, it smelled like fuel and was very thin.
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Devon-Dyno-Soar118
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PostPosted: Wed Jun 27, 2012 12:23 am    Post subject: Reply with quote

The torsion beams, the front one is the two tubes running across the bus between the front wheels, the rear one is the tube across the bus just in front of the gearbox. Check all the greasing points and get some fresh grease in, should be in the maintainance section of your manual.
If you have a distributor ignition then tune up should involve changing the contact breaker points, then re-gapping them, changing the condenser and plugs, even if they look new. Then set the valve gap to the rocker arms (under the rocker covers), then set the ignition timing, then tune the carbs. As you have duals you may need some help at this stage.
Bentley is better than Haynes, but Haynes will be fine for the jobs on the list.
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71 West coast Kombi
54 Oval, 60k km from new
Daves 68 Bug Project
Rust Collector.
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