 AAR repair, How to test etc |
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| thieuster |
 May 21 2015, 05:10 AM
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Member  Group: Members Posts: 447 Joined: 31-January 15 From: 275 mls NW from Stuttgart. Member No.: 18,384 Region Association: Europe  |
The eagle eyed among you have seen that the AAR is missing on the pics of my engine. It looks to be shot. It measures 13 Ohm. Somehow I am under the impression that I've read somewhere that it's a 13 Ohm wire, but needs 39 Ohm resistance when tested.
On the Pelican pages, I found an article how to remove the upper and lower part and a 'how to' when it comes to repairing the AAR. Sounds familiar? Finally: is there an alternative AAR from other makes/cars/models that can be used instead of the original Bosch VW thing? Menno |
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| Dave_Darling |
May 21 2015, 08:37 AM
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914 Idiot Group: Members Posts: 15,051 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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13 ohms is the correct resistance.
To test: Hook up +12V to the wire coming from the bottom of the AAR, and ground the outside of it. Hook a hose up to one fitting on the valve. You should be able to blow through the valve when it is cold. After the power has been on for 5-10 minutes, you should not be able to blow through it. --DD |
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Posts in this topic
thieuster AAR repair May 21 2015, 05:10 AM
Spoke Inside the AAR is a bimetallic strip that turns th... May 21 2015, 05:31 AM rick 918-S :agree: Just soak it with PB or WD for a few days ... May 21 2015, 07:26 AM era vulgaris Also, just a head's up...it will be hot after ... May 21 2015, 11:41 AM thieuster I just emptied a can WD40 in a plastic container a... May 21 2015, 11:59 AM
Ian Stott Would someone post a picture of this please. I wan... May 23 2015, 05:25 AM thieuster
Would someone post a picture of this please. I wa... May 23 2015, 05:34 AM |
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