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shoppingshzhang
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Joined: April 28, 2015
Posts: 22
Location: CA
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 Posted: Sun Jul 30, 2017 8:44 pm Post subject: Vacuum hose not connected to anywhere? |
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Hi everyone! New here. We just bought a 82 Vanagon.
It starts but doesn't idle, but we can't pinpoint where to find the issue. I guess the first thing is to figure out what the engine is.
Any ideas?
Thanks
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Last edited by shoppingshzhang on Tue Aug 08, 2017 1:21 am; edited 1 time in total |
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82westyrabbit
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Joined: March 02, 2015
Posts: 969
Location: Ma
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| Posted: Sun Jul 30, 2017 9:02 pm Post subject: Re: What engine is this? |
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| It's a 2.0 air cooled. If they run but don't idle it is usually a vacuum leak. I can see vacuum leaks in the picture. That engine has points and condenser so you could have problems there to. |
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Gauche1968
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Joined: April 13, 2006
Posts: 1518
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| Posted: Sun Jul 30, 2017 9:03 pm Post subject: Re: What engine is this? |
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I am going to go with 2.0L air cooled?
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1984 Vanagon GL
1984 Vanagon Westy |
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Microbusdeluxe 
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Joined: July 26, 2003
Posts: 980
Location: Bellingham, WA
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| Posted: Sun Jul 30, 2017 9:05 pm Post subject: Re: What engine is this? |
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It's an air-cooled fuel injected VW 2.0 l engine. Standard equipment in an '82 vanagon. Read up on it in this section as well as in the Bay window forum as this same engine was used in the Bays during their final years (?1978-1980?)
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shoppingshzhang
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Joined: April 28, 2015
Posts: 22
Location: CA
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| Posted: Sun Jul 30, 2017 9:05 pm Post subject: Re: What engine is this? |
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| Thanks guys! I'll read up on it. |
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shoppingshzhang
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Joined: April 28, 2015
Posts: 22
Location: CA
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| Posted: Sun Jul 30, 2017 11:24 pm Post subject: Re: What engine is this? |
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| 82westyrabbit wrote: |
| It's a 2.0 air cooled. If they run but don't idle it is usually a vacuum leak. I can see vacuum leaks in the picture. That engine has points and condenser so you could have problems there to. |
Would you mind pointing out some potential leaks? |
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dhaavers
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Joined: March 19, 2010
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Location: NE MN (tinyurl.com/dhaaverslocation)
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| Posted: Mon Jul 31, 2017 5:47 am Post subject: Re: What engine is this? |
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Potential vacuum leaks:
ANY of the multiple hose & mechanical connections to the air flow meter "S"
boot (top R in picture) &/or intake manifold/plenum (top center in picture).
Shortcut: spray carb/choke cleaner at any/all suspect hose connections;
if/when idle surges, you've found an active leak in that area. Fix it.
"Git 'r done!"
- Dave
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86 White Wolfsburg Westy Weekender
"The WonderVan"
<EDITED TO PROTECT INNOCENT PIXELS> |
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buspor63
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Joined: February 17, 2005
Posts: 1179
Location: Knoxville,TN Where America stops for gas
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| Posted: Mon Jul 31, 2017 6:24 am Post subject: Re: What engine is this? |
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As said, the bay window forum will provide a wealth of knowledge on the engines. The air cooled engine uses Bosch L Jet injection, it's really simple.
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Imagine that, theres not an "h" in either Westfalia or Syncro? |
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AZ Landshaper
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Joined: February 08, 2009
Posts: 1698
Location: The Old Pueblo
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| Posted: Mon Jul 31, 2017 8:36 pm Post subject: Re: What engine is this? |
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Looks like the white plastic fitting headed into your S boot is not fully inserted. I second the use of some starter fluid or other to spot test the junctions and fittings and hose ends for vacuum leaks. Watch out though. That shit it flammable and you could loose your eyebrows or worse. Vacuum leaks are the benign of the aircooled motor.
There is a very informative manual for troubleshooting this setup. Look in the technical instructions manual section for AFC fuel injection manual.
Spend a minute identifying the various components of the system and the whole troubleshooting process will be a lot easier.
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davideric9
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Location: Oakland CA
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| Posted: Mon Jul 31, 2017 10:13 pm Post subject: Re: What engine is this? |
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Also looks like the s-boot is not seated onto the throttle body. Clean the inside of the boot and the throttle body where it attaches. if these are oily, the boot can slip off as you tighten the clamp.
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shoppingshzhang
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Joined: April 28, 2015
Posts: 22
Location: CA
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| Posted: Tue Aug 01, 2017 10:26 am Post subject: Re: What engine is this? |
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| Thanks guys! I will start looking into it. |
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shoppingshzhang
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| Posted: Mon Aug 07, 2017 11:28 pm Post subject: Re: What engine is this? |
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So I connected/tightened the following (first picture) and it seemed to start a little better. It could idled for maybe a second before dying. I am going to drain the fuel tank and give it some fresh fuel and see if that helps.
On one of the hoses (second picture), I couldn't find anywhere to connect. Any ideas?
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djkeev
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termuehlen
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chompy
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| Posted: Tue Aug 08, 2017 10:49 am Post subject: Re: What engine is this? |
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See directly below where the hose ends that you circled? The brake booster hose connects to the plenum and that unhooked hose you have there. It looks like they ditched the little Y connector that connects these three hoses together.
See in this shot that was linked earlier the little rubber connector you are missing?
This is the part you are missing: http://www.busdepot.com/022133083d
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Wildthings
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| Posted: Tue Aug 08, 2017 2:11 pm Post subject: Re: Vacuum hose not connected to anywhere? |
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| Change out all the hoses, elbow, and boots and get it over with, if you go with the replace one hose at a time route you will be fighting vacuum leaks for years. These things are 35 years old at this point in time and all the rubber on the rig is rotten and due for replacement. |
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shoppingshzhang
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Posts: 22
Location: CA
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| Posted: Tue Aug 08, 2017 4:59 pm Post subject: Re: Vacuum hose not connected to anywhere? |
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| Wildthings wrote: |
| Change out all the hoses, elbow, and boots and get it over with, if you go with the replace one hose at a time route you will be fighting vacuum leaks for years. These things are 35 years old at this point in time and all the rubber on the rig is rotten and due for replacement. |
Is there a place that sell all these or are they all standard size ones? |
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Abscate
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| Posted: Tue Aug 08, 2017 5:06 pm Post subject: Re: Vacuum hose not connected to anywhere? |
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You will have to reset your mind a bit to work this one to,daily driver condition
The person who,last worked on it had little idea of what they were doing, so you have to be on the lookout for bizarre things "
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djkeev
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chompy
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Location: Cascade Locks
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| Posted: Tue Aug 08, 2017 8:09 pm Post subject: Re: Vacuum hose not connected to anywhere? |
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| shoppingshzhang wrote: |
| Wildthings wrote: |
| Change out all the hoses, elbow, and boots and get it over with, if you go with the replace one hose at a time route you will be fighting vacuum leaks for years. These things are 35 years old at this point in time and all the rubber on the rig is rotten and due for replacement. |
Is there a place that sell all these or are they all standard size ones? |
Its fairly standard size the main thing to be sure about is the inner diameter of the hose. You'll want the hose to be rated for fuel vapor or even fuel line for the wider hoses so it doesn't deteriorate. There is a little rubber elbow connected to your auxiliary air valve that often cracks too so check that.
Its the 90° bend coming from the right, not the straight hose in the middle of the shot.
This is from a bay window buts it looks the same.
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