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panic_fan
Samba Member
Joined: April 21, 2008
Posts: 711
Location: Mcdonough GA
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 Posted: Thu Sep 03, 2009 5:54 pm Post subject: Help...mystery spring? |
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Found this in the corner of the engine bay this evening. Anyone know where it went?
Thanks!
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Rich
Brilliant Blue/Cloud White
1970 Baywindow Bus
http://www.thesamba.com/vw/forum/viewtopic.php?t=291988&highlight=
"Still learnin the way around my VW bay"
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Daverham
Samba Member
Joined: August 27, 2009
Posts: 1397
Location: USA
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| Posted: Thu Sep 03, 2009 5:57 pm Post subject: |
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Looks like a throttle return spring to me, I hope your brakes are good!!  |
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bsairhead
Samba Member
Joined: October 08, 2008
Posts: 3580
Location: viroqua wi.
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| Posted: Thu Sep 03, 2009 5:57 pm Post subject: |
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| Fan shroud flap spring |
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germansupplyscott
Samba Member
Joined: May 22, 2004
Posts: 7094
Location: toronto
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| Posted: Thu Sep 03, 2009 6:01 pm Post subject: |
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| bsairhead wrote: |
| Fan shroud flap spring |
yes. to elaborate it is the return spring for the thermostat-controlled flaps inside the shroud. it is located in front (front is front) of the shroud, on the side you can't see with the engine installed.
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panic_fan
Samba Member
Joined: April 21, 2008
Posts: 711
Location: Mcdonough GA
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| Posted: Thu Sep 03, 2009 6:05 pm Post subject: |
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| germansupplyscott wrote: |
| bsairhead wrote: |
| Fan shroud flap spring |
yes. to elaborate it is the return spring for the thermostat-controlled flaps inside the shroud. it is located in front (front is front) of the shroud, on the side you can't see with the engine installed. |
Thanks Scott. What will happen if not installed? I would imagine it has been off for a while?
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Rich
Brilliant Blue/Cloud White
1970 Baywindow Bus
http://www.thesamba.com/vw/forum/viewtopic.php?t=291988&highlight=
"Still learnin the way around my VW bay"
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bsairhead
Samba Member
Joined: October 08, 2008
Posts: 3580
Location: viroqua wi.
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| Posted: Fri Sep 04, 2009 8:21 am Post subject: |
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| The spring is there to make your fan shroud flaps 'fail safe'.If something happens to your thermostat or rod connection the spring holds the flaps open so you don't cook your engine.It can be replaced with the engine in.'In a bay'.It fits on the fan shroud and cross over linkage to flaps.If you do a search,Performance/Engine/Racing\Sticky -Fanshroud and oil cooler sealing frame combos you will see a picture,9th down that shows it.With a flash light ,a long arm,and a small head it can be done |
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Traveling Writer
Samba Scribe
Joined: May 07, 2006
Posts: 1112
Location: Florence, Italy
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| Posted: Fri Sep 04, 2009 8:43 am Post subject: |
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Keeping in mind that half of all busses are missing their thermostats because they're expensive/hard to get (myself included), I should think that spring is fairly important. As the others have said, there are flaps that the thermostat keeps closed when the engine is cold to warm the engine up faster. Then at operating temps, the spring tugs the flaps open. If you have no spring, those flaps might well be down (not positive on the orientation of them, tho) all the time. If so, you're cooking your engine every time you drive.
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Cheers,
Davi
1977 2.0 FI Westy
2011 1200cc Yamaha Super Tenere
1976 Feet (they work surprisingly well) |
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Bus_to_Btown
Samba Member
Joined: January 08, 2009
Posts: 232
Location: North Carolina
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| Posted: Fri Sep 04, 2009 7:18 pm Post subject: |
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I found this same spring inside my engine compartment also. Can you post that picture into this thread, i couldnt seem to see the spring in the sticky you referred too. Also my Bus is a 1978 so it has the engine hatch up top, do you acess this place from the top or the bottom of the engine.
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'72 Westfalia Campmobile
'72 Transporter
'63 Turkis Beetle |
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Mark
Samba Member
Joined: January 20, 2003
Posts: 1523
Location: Victoria, BC Canada
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| Posted: Sat Sep 05, 2009 8:19 am Post subject: |
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How big is that spring in the photo, maybe something like a quarter or dollar bill placed next to it for perspective?
To me, it looks like an accelerator return spring. My cooling flap return spring looks different than that?
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Mark
Samba Member
Joined: January 20, 2003
Posts: 1523
Location: Victoria, BC Canada
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| Posted: Sat Sep 05, 2009 8:19 am Post subject: |
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How big is that spring in the photo, maybe something like a quarter or dollar bill placed next to it for perspective?
To me, it looks like an accelerator return spring. My cooling flap return spring looks different than that?
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panic_fan
Samba Member
Joined: April 21, 2008
Posts: 711
Location: Mcdonough GA
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| Posted: Thu Sep 10, 2009 11:32 am Post subject: |
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| Mark wrote: |
How big is that spring in the photo, maybe something like a quarter or dollar bill placed next to it for perspective?
To me, it looks like an accelerator return spring. My cooling flap return spring looks different than that? |
Id say its about 4-5 inches long. I dont have it in front of me right now.
Also failed to mention I am in a 70 bus.
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Rich
Brilliant Blue/Cloud White
1970 Baywindow Bus
http://www.thesamba.com/vw/forum/viewtopic.php?t=291988&highlight=
"Still learnin the way around my VW bay"
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