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| SKL1 |
May 18 2020, 08:50 PM
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#1
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Senior Member ![]() ![]() ![]() Group: Members Posts: 1,831 Joined: 19-February 11 From: north Scottsdale Member No.: 12,732 Region Association: Upper MidWest
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Surprised there is no good picture in the factory workshop manual to show position of the flaps in the closed or open positions.
In this picture it is in the fail-safe position as if the cable or thermostat wasn't working. Just want to make sure they are correct. When hooking up the thermostat wire the flaps would both move as the little "lever" would move down. Just seems strange that in the fail-safe mode it covers up the oil cooler- you 'd think it would want air going over and through the cooler to allow the engine to run cooler if the thermostat failed... |
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| BeatNavy |
May 19 2020, 06:04 AM
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#2
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Certified Professional Scapegoat ![]() ![]() ![]() ![]() Group: Members Posts: 2,967 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region
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I find the easiest way is to carefully put a heat gun on the bellows, watch for it to fully expand, and then go to the top, take the slack out, and tighten up the clamp.
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| porschetub |
May 19 2020, 02:48 PM
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#3
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914 Guru ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 5,200 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
I find the easiest way is to carefully put a heat gun on the bellows, watch for it to fully expand, and then go to the top, take the slack out, and tighten up the clamp. (IMG:style_emoticons/default/agree.gif) Rob best method,the cable should be firm not guitar string tight otherwise the bellows will be under strain and will split. I tested the tension of the cable and found even with it a bit slack the air flaps were still working as they should. Hot tip,replace the cable with a bike cable they are a larger diameter and move easier in the roller. |
| BeatNavy |
May 19 2020, 02:58 PM
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#4
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Certified Professional Scapegoat ![]() ![]() ![]() ![]() Group: Members Posts: 2,967 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region
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Hot tip,replace the cable with a bike cable they are a larger diameter and move easier in the roller. Nice tip, Porschetub! (IMG:style_emoticons/default/smile.gif) I did not know that. |
SKL1 Proper position of "cooling" flaps May 18 2020, 08:50 PM
bbrock It's actually not covering up the oil cooler. ... May 18 2020, 08:54 PM
cary https://bowlsby.net/914/Classic/zTN_Eng_Air..._Fla... May 18 2020, 08:56 PM
SirAndy Just seems strange that in the fail-safe mode it c... May 18 2020, 09:13 PM
SKL1 Thanks! I knew I had seen those somewhere bef... May 18 2020, 09:14 PM
jim_hoyland How do you set the end of the wire in the clamp? E... May 18 2020, 09:32 PM
cuddy_k
How do you set the end of the wire in the clamp? ... May 18 2020, 09:43 PM
flipb
How do you set the end of the wire in the clamp? ... May 19 2020, 05:33 AM
falcor75 Wire should be tight when the engine is cold since... May 18 2020, 09:44 PM
Olympic 914
Wire should be tight when the engine is cold sinc... May 19 2020, 07:08 AM
mtndawg http://www.914world.com/bbs2/index.php?sho...=9243... May 18 2020, 11:33 PM
barefoot This might help as well:
May 19 2020, 04:54 AM
Craigers17
This might help as well:
That's a very h... May 19 2020, 06:05 AM
andrewvolsen Edit: posted to wrong thread, sorry Nov 15 2026, 10:18 AM![]() ![]() |
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