Drying the Silica desiccant
Hi all,
I live in northern MN and we have cold (-17F tonight) weather. When cold, my 2002 allroad 6-MT will not raise levels, and the K134 light on dash comes on. If I park the car in the heated garage overnight, it works great, but after the car become cold the system will not raise. The car had leaky rear bags which I replaced with Arnott gen II's recently and the compressor has been running more than it should. I took the compressor apart, and found that the silica in the drying was full of water and condensate and will freeze. My questions are - can I dry this stuff out in the oven without damaging it? I emptied the silica particles onto a dish (very wet). Also, is there a source for new silica? The compressor works great out of car hooked directly to a battery when warm. Is there a drain on the pressor accumulator? Should I drain my control block? Thanks! Jonathan '07 A4 3.2 and '02 allroad winter 'beater' |
test
Originally Posted by beseven
(Post 24522053)
Hi all,
I live in northern MN and we have cold (-17F tonight) weather. When cold, my 2002 allroad 6-MT will not raise levels, and the K134 light on dash comes on. If I park the car in the heated garage overnight, it works great, but after the car become cold the system will not raise. The car had leaky rear bags which I replaced with Arnott gen II's recently and the compressor has been running more than it should. I took the compressor apart, and found that the silica in the drying was full of water and condensate and will freeze. My questions are - can I dry this stuff out in the oven without damaging it? I emptied the silica particles onto a dish (very wet). Also, is there a source for new silica? The compressor works great out of car hooked directly to a battery when warm. Is there a drain on the pressor accumulator? Should I drain my control block? Thanks! Jonathan '07 A4 3.2 and '02 allroad winter 'beater' |
Originally Posted by beseven
(Post 24522053)
Also, is there a source for new silica? |
Oven dried
I dried the beads in the oven and reassembled everything. There was some corrosion in the housing from the moisture, so will have to see if this works...
I'll try adding a large silica pouch to the spare tire well - thanks for the great suggestion. An no, the car doesn't seem to have any leaks anymore - will stay at the same height in 'jack mode' overnight in the heated garage. I assume this is the best way to look for larger leaks? Thanks! |
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