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Doghead has often admonished folks having air issues to service their air dryer. He's right. Service your air dryer!!! I don't think mine had EVER been serviced.
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Service Your Air Dryer
- Thread starter Russ Knight
- Start date
That is just from moisture sitting in there for probably 4 to 8 years that the truck sat on the lot. Not uncommon.
They do make alot of a mess though even working hard. I had a constant pretty significant air leak for around 5000 miles over my last trip due to a broken fitting in the governor. This was the result. My compressor doesn't have alot of miles on it either.
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BenRoberts
Certified insane
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I like the mrap dryer I put one on my truck after the spitter kept sticking open on mine
Jericho
Well-known member
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Ben I ve done the same mod good investment ! its painless , never had to drill a hole , takes about 45 min with a cup of tea
gimpyrobb
dumpsterlandingfromorbit!
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When I rebuilt mine I did some searching. It is recommended to service them yearly.
- 10,458
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Service or replace? I just ordered a new Haldex DA34100 to replace the prehistoric AD-1 on my 915 which works, but who know how well. $270 shipped on ebay.
gimpyrobb
dumpsterlandingfromorbit!
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Service
Lukes_deuce
Active member
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What is the best air dryer replacement for a 923A2?
The haldex purest air is the normal upgrade folks go to.
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Wow, FinditParts moves fast, unit here already! If you can't find a new MRAP Pur-est, this is the way to go.
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Lukes_deuce
Active member
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Did you get a 24 volt version? Or can the dryers handle both? Every where Ive looked says it can handle both 12v and 24v but not option when ordering?
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I got the 12 volt version as the 915 is 12 volts. The instructions say the unit can be used with both voltages, but there is a different model which is 24 volt specific, so that is somewhat confusing.
Your heater off the PureAir version that came on the 5 ton trucks will transfer over to a Purest dryer. The heater just snugs under the dust cover. They are interchangeable.
gimpyrobb
dumpsterlandingfromorbit!
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To add, the heater is just a ring around the drain so the purge valve doesn't freeze up. It isn't integral to the air drier.
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Simp5782. You were "testing" an air dryer from another member. Can not remember who but I had contacted him and he said you were the guinea pig and to wait until your review?? Maybe Fuzzy?
Its. Wabco one. Thers is a thread on it. You have to drill out a port on the dryer for the control line from the firewall governer. Block one port off on the front and install the Air in and air out fittings. Works fine. Its 30lbs lighter than the stock air dryer.
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SUPERSPORT
Member
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Link to that thread?
I'm stuck on stupid phone and can't maneuver worth a crap.
I need a dryer.
https://r.tapatalk.com/shareLink?ur...share_tid=175982&share_fid=20191&share_type=t
M923 Wabco Series 1200 Air Dryer Install
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SUPERSPORT
Member
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Dude, were you watching me type? LOL.
I hit submit and look down to your response.
I hit submit and look down to your response.