Cooling Flaps |
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Cooling Flaps |
cdadaa |
Oct 24 2010, 10:37 AM
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#1
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Newbie Group: Members Posts: 6 Joined: 25-May 09 From: Spring Creek, Nevada Member No.: 10,402 Region Association: None |
Hi,
Is this the correct positioning for the cooling flaps with a cold unexpanded bellows? Somehow I think the rod may have been bent or the flaps twisted by the previous owner. I want to hook up the thermostat so I can have a wintertime heater. Thanks...Dan Attached thumbnail(s) |
Sleepin |
Oct 24 2010, 11:07 AM
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#2
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Advanced Member Group: Members Posts: 3,647 Joined: 20-November 07 From: Grand Junction, Co. Member No.: 8,357 Region Association: Rocky Mountains |
That is the hot position IIRC.
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StratPlayer |
Oct 24 2010, 11:11 AM
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#3
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StratPlayer Group: Members Posts: 3,276 Joined: 27-December 02 From: SLC, Utah Member No.: 27 Region Association: Rocky Mountains |
Thermostat cable connects with the connector in the down position...
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cdadaa |
Oct 24 2010, 11:21 AM
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#4
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Newbie Group: Members Posts: 6 Joined: 25-May 09 From: Spring Creek, Nevada Member No.: 10,402 Region Association: None |
So the flaps are both "up" or closed like this? As such, I will bring more cable through...correct?
Thanks...Dan Attached thumbnail(s) |
Cap'n Krusty |
Oct 24 2010, 11:53 AM
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#5
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
The system in question has ABSOLUTELY NOTHING to do with your having a heater this winter, or any other time.
The Cap'n |
cdadaa |
Oct 24 2010, 12:04 PM
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#6
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Newbie Group: Members Posts: 6 Joined: 25-May 09 From: Spring Creek, Nevada Member No.: 10,402 Region Association: None |
That wasn't my question Mr. Cap'n!
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Jake Raby |
Oct 24 2010, 12:56 PM
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#7
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
In the HOT position the diverter over the oil cooler closes down over the top of the cooler.. This directs air into and through the cooler only when the engine is at temperature.
If the diverter doesn't close completely over the cooler air will escape and oil temps will be elevated. I check this function with a heat gun with the engine on the bench and the cooling tin off as it is critical. I did a video of this when I built the most recent engine for my 912E, I might edit and share it sometime. |
Cap'n Krusty |
Oct 24 2010, 03:37 PM
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#8
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
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AndyB |
Oct 24 2010, 03:39 PM
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#9
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The Governor is watching me Group: Members Posts: 1,115 Joined: 10-April 10 From: Philadelphia New York Member No.: 11,595 Region Association: North East States |
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cdadaa |
Oct 24 2010, 05:31 PM
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#10
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Newbie Group: Members Posts: 6 Joined: 25-May 09 From: Spring Creek, Nevada Member No.: 10,402 Region Association: None |
Thanks Jake...that makes sense. I'm good to go. I'll check it with a heat gun before I install the cylinder tins.
Dan |
gasman |
Oct 24 2010, 05:41 PM
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#11
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Member Group: Members Posts: 107 Joined: 21-January 08 From: Mooresville, nc Member No.: 8,602 Region Association: South East States |
Looks like you have the heads on the wrong sides....Cht belongs on passenger side.....if your going to carbs...no problem....If FI, you might have to run a wire from harness to CHT...Just an observation
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cdadaa |
Oct 24 2010, 05:53 PM
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#12
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Newbie Group: Members Posts: 6 Joined: 25-May 09 From: Spring Creek, Nevada Member No.: 10,402 Region Association: None |
Look again...I believe the CHT is on the passenger side. The photo was taken from the flywheel (engine rear, front of car) side. BTW, this is going in a 912E.
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ziggy |
May 9 2011, 08:25 PM
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#13
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Newbie Group: Members Posts: 19 Joined: 2-May 11 From: Austin, TX Member No.: 13,013 Region Association: Southwest Region |
Were the cable running to the thermo to break, would the flaps default to the full hot position? I'm in Texas and running hot and noticed that little arm doesn't ever move as far as it is in his picture above. (the hot position photo)
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SirAndy |
May 9 2011, 09:14 PM
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#14
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Resident German Group: Admin Posts: 41,625 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
BTW, this is going in a 912E. And we knew that because .... ? (IMG:style_emoticons/default/confused24.gif) |
McMark |
May 10 2011, 12:00 AM
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#15
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
ONLY attach the wire with the flaps in this position if you're sure the thermostat bellows are functioning. If your bellows have failed you will be setting up the motor for a MELTDOWN.
(IMG:http://www.914world.com/bbs2/uploads/post-10402-1287940846_thumb.jpg) |
914Mike |
May 10 2011, 01:20 AM
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#16
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Member Group: Members Posts: 330 Joined: 27-January 03 From: San Jose, CA Member No.: 198 |
ONLY attach the wire with the flaps in this position if you're sure the thermostat bellows are functioning. If your bellows have failed you will be setting up the motor for a MELTDOWN. Yep, BTDT (in a former life...) Connecting the cable with the flaps in that position pretty much guarantees a meltdown, whether the bellows is working or not... It's more important that the flaps OPEN fully than it is that they CLOSE fully! The technique for setting the cable clamp is to remove the bellows mounting bolt so the bellows can follow the cable when you pull it up. (The bracket acts as the stop for it.) The flaps need to be in the fully "open" or "hot" position when you tighten the cable clamp. (That's the position it is pulled to by the springs, so you don't need to move it if it is not binding.) Then pull the bellows back to it's mounting bolt and tighten the bolt. The cable will have pulled the flaps partly open.) This way makes sure that the flaps are fully open when the bellows expands as much as the bracket will allow it to. They only close as much as the contracting bellows can pull them against the springs on the rod. |
jaxdream |
May 10 2011, 07:33 AM
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#17
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Senior Member Group: Members Posts: 974 Joined: 8-July 08 From: North Central Tennessee Member No.: 9,270 Region Association: South East States |
Look again...I believe the CHT is on the passenger side. The photo was taken from the flywheel (engine rear, front of car) side. BTW, this is going in a 912E. Ok for the position of the engine in the 912E- Yes ( passenger side ) , position for the CHT sender to operate with Fuel Injection- NO , the CHT needs to be over the Number 3 cylinder to capture the hotest cylinder -per Porsche / VW configuration. We ( the forum members ) are trying to help with some advise . Good Luck , and do hope you get it running well. Jack / Jaxdream |
TheCabinetmaker |
May 10 2011, 08:18 AM
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#18
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I drive my car everyday Group: Members Posts: 8,300 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
Looks like you have the heads on the wrong sides....Cht belongs on passenger side.....if your going to carbs...no problem....If FI, you might have to run a wire from harness to CHT...Just an observation Look again...I believe the CHT is on the passenger side. The photo was taken from the flywheel (engine rear, front of car) side. BTW, this is going in a 912E. Look again...I believe the CHT is on the passenger side. The photo was taken from the flywheel (engine rear, front of car) side. BTW, this is going in a 912E. Ok for the position of the engine in the 912E- Yes ( passenger side ) , position for the CHT sender to operate with Fuel Injection- NO , the CHT needs to be over the Number 3 cylinder to capture the hotest cylinder -per Porsche / VW configuration. We ( the forum members ) are trying to help with some advise . Good Luck , and do hope you get it running well. Jack / Jaxdream They aren't trying to bust your balls. They are trying to help you save an engine. Your CHT is on the #2 cylinder. It belongs on the #3 cylinder. We can clearly see it on the drivers side. Take the time to take it apart and reassemble the it the correct way now while its only a few hour job. Haste makes waste. (IMG:style_emoticons/default/beerchug.gif) |
sean_v8_914 |
May 10 2011, 09:33 AM
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#19
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Chingon 601 Group: Members Posts: 4,011 Joined: 1-February 05 From: San Diego Member No.: 3,541 |
Jake was being subtle. write it on a calendar and take a picture.
your flap over teh cooler is tweeked in teh hot position and will not do its job . please fix it. |
McMark |
May 10 2011, 10:43 AM
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#20
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Jake was being subtle. write it on a calendar and take a picture. your flap over teh cooler is tweeked in teh hot position and will not do its job . please fix it. Good catch, Sean. (IMG:style_emoticons/default/thumb3d.gif) Attached image(s) |
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