Replaced Front Right Air Spring, Car Still Too Low
#41
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jagnew,
Spring steel is tempered to be pretty tough, so there's no real risk of damaging the spring unless you deform the coil somehow. I personally would not want all the corrosion to remain inside my compressor, and it looks like such thick crust that paint is unlikely to bond well to it.
Soak the spring in penetrating oil overnight, then scrub it well with a small wire brush, then degrease it with a solvent before spraying it with paint. If you have a die grinder or Dremel tool, that can speed up the cleaning process.
Cheers,
Don
Spring steel is tempered to be pretty tough, so there's no real risk of damaging the spring unless you deform the coil somehow. I personally would not want all the corrosion to remain inside my compressor, and it looks like such thick crust that paint is unlikely to bond well to it.
Soak the spring in penetrating oil overnight, then scrub it well with a small wire brush, then degrease it with a solvent before spraying it with paint. If you have a die grinder or Dremel tool, that can speed up the cleaning process.
Cheers,
Don
Last edited by jagnew; 01-01-2017 at 04:17 AM.
#42
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To clean the dryer compartment you can use a mild solvent like denatured alcohol, naptha, mineral spirits, etc., or you could probably even use dish soap/washing up liquid and water if you're not too careless with the water. Just be sure you let it dry thoroughly before refilling it with the desiccant beads.
Cheers,
Don
#43
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To clean the dryer compartment you can use a mild solvent like denatured alcohol, naptha, mineral spirits, etc., or you could probably even use dish soap/washing up liquid and water if you're not too careless with the water. Just be sure you let it dry thoroughly before refilling it with the desiccant beads.
Cheers,
Don
Cheers,
Don
Also, for the filters, I plan to simply replace them with new home made filters of same fabric. I can cut the same size and shape. Tell me, does the thickness matter ? If the new filter is slightly thinner than the original thickness, can I keep 2 at each end ? Will this have a good effect ? Is this a good idea ?
Sorry for too many questions..
#44
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Is it ok if, while cleaning with liquid soap and water, the water flows through the holes at the bottom of the dryer ?
Also, for the filters, I plan to simply replace them with new home made filters of same fabric. I can cut the same size and shape. Tell me, does the thickness matter ? If the new filter is slightly thinner than the original thickness, can I keep 2 at each end ? Will this have a good effect ? Is this a good idea ?
Also, for the filters, I plan to simply replace them with new home made filters of same fabric. I can cut the same size and shape. Tell me, does the thickness matter ? If the new filter is slightly thinner than the original thickness, can I keep 2 at each end ? Will this have a good effect ? Is this a good idea ?
Regarding the filters, making new ones is probably fine if you use a fabric that will flow air easily, but you may be able to clean and reuse your old ones. I just soaked mine in denatured alcohol, then soaked them overnight in water with a little chlorine bleach. Soaking them in CLR would help remove any rust stains. Rinse with filtered or distilled water and dry them thoroughly. Here are before and after photos of my filters:
![](https://cimg5.ibsrv.net/gimg/www.jaguarforums.com-vbulletin/799x901/snaps_resize_d9ad50a5a2e78cc291e628612bfdc240_2cfd0e419a6518abfdb6318966d73aea70722e38.jpg)
This photo is from my phototutorial on rebuilding the compressor. Have you looked at all my photos? They will probably answer most of your questions.
Cheers,
Don
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#48
#49
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Things now ready for assembly back. As Don said, putting in the rusted spring would be risking the whole compressor again. It was not in condition to be cleaned as 1 end of it was as thin as just 0.5mm left for a length of about 13.5mm, as most of the portion of it was mostly brittle. So I got a new spring made.
Now I have new spring, new O ring, new piston ring, and 2 new filters of 1.3mm thickness. All new items as per original specs.
The rest of the items are all the same cleaned as possible. Check photo. Any advice/comments.
Now I have new spring, new O ring, new piston ring, and 2 new filters of 1.3mm thickness. All new items as per original specs.
The rest of the items are all the same cleaned as possible. Check photo. Any advice/comments.
#51
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#52
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Cheers,
Don
#56
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I agree with Don.
The filter is here mainly to bock solid particles such as dust.
If the filter is clogged with dust, backflushing with compressed air is probably the most effective.
Using a solvent may risk leaving oily or wet surfaces inside the filter unless you use a pure and very volatile solvent such as acetone or methanol.
The filter is here mainly to bock solid particles such as dust.
If the filter is clogged with dust, backflushing with compressed air is probably the most effective.
Using a solvent may risk leaving oily or wet surfaces inside the filter unless you use a pure and very volatile solvent such as acetone or methanol.
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#57
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Not sure which valve you're describing but they should all be cleaned: check valve, exhaust valve and pressure relief valve (PRV).
I didn't clean the exhaust valve or PRV but ever since I did the job I have wished that I had, given the corrosion I found inside the air dryer and on the check valve. In one of bagpipingandy's videos on his website he shows the inside of the PRV.
Cheers,
Don
I didn't clean the exhaust valve or PRV but ever since I did the job I have wished that I had, given the corrosion I found inside the air dryer and on the check valve. In one of bagpipingandy's videos on his website he shows the inside of the PRV.
Cheers,
Don
#59
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Not sure which valve you're describing but they should all be cleaned: check valve, exhaust valve and pressure relief valve (PRV).
I didn't clean the exhaust valve or PRV but ever since I did the job I have wished that I had, given the corrosion I found inside the air dryer and on the check valve. In one of bagpipingandy's videos on his website he shows the inside of the PRV.
Cheers,
Don
I didn't clean the exhaust valve or PRV but ever since I did the job I have wished that I had, given the corrosion I found inside the air dryer and on the check valve. In one of bagpipingandy's videos on his website he shows the inside of the PRV.
Cheers,
Don
#60
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Jaguar claims that the valve block is a "non-serviceable part," meaning that if it fails, it must be replaced as an assembly.
Cheers,
Don