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Tires, Wheels, Brakes, Steering and Suspensions Discussion of preventative/corrective maintenance and other technical issues regarding your coach's Tires, Wheels, Brakes, Steering and Suspensions and related components.

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  #1  
Old 2 Weeks Ago
ERWIN O ERWIN O is offline
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Default Slack adjusters

Trying not to be such a Newbie. But first big trip has come up with many issues. I have a worn front slack adjuster on the passenger side front wheel. Was making a clunking noise. Pulled into a truck repair shop. They said they could fix it with in stock parts. They installed the passenger side one no problem. They then went to the drivers side. Their cross reference on the part said that it was the same as the passenger side. When they tried to install it , the spline shaft was a hair bit to short to get the retaining clip back on. They said it was a no go. They also said that they both had to be replaced as a pair. So they took the new one off the passenger side and put the old one back on. I am trying to track down the parts for them to install.

Does anyone have a part number for this for a 1996 WB40.
Manufacturers name?
My originals say Crewson Brumner #CB21000. 20K3
Supplier in Los Angeles CA area

I’m getting havoc at the places I call because it’s an RV

Thanks
Erwin
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Old 2 Weeks Ago
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Randy Dupree Randy Dupree is offline
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The new slack fits one side and not the other?
Hmmm,i suggest grabbing the cam shaft with a pair of channel locks and giving it a good pull.
It may be the very best thing to change both sides at the same time,but sending a coach out with a bad slack is bad business.
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Old 2 Weeks Ago
badandy badandy is offline
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Sounds like a faulty mechanic.

I don't know if they are the same, but my Meritor slacks are listed in the manual as having a different part number for each side due to the release "pawl" sticking out opposite sides. The new slacks I put on have it centered up and are of a newer design, same on both sides. Yours are probably the same basic thing, possibly a different length. I changed mine on the ground, no jacking, easy stuff and the parts are cheeeeeap.
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Old 2 Weeks Ago
ERWIN O ERWIN O is offline
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Randy
Channel Locks and a good pull. I like your style. That’s what I told them but they wouldn’t do it.
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Old 2 Weeks Ago
rshrimp rshrimp is offline
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Sounds like the S cam needs to be pulled out fully. I changed all mine and they were the same side to side. There are only a couple choices.
Fine spline, course spline and then the length. 5, 5.5, and 6 inch are the common ones.
All mine had a shim pack behind the slack.
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Quote:
Originally Posted by rshrimp View Post
Sounds like the S cam needs to be pulled out fully. I changed all mine and they were the same side to side. There are only a couple choices.
Fine spline, course spline and then the length. 5, 5.5, and 6 inch are the common ones.
All mine had a shim pack behind the slack.
Yup....
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Old 2 Weeks Ago
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I just did all of my slacks and each one had three shim washers involved, each about .029 thick as I recall. I didn't use all three on reassembly with the new slacks.
Thats nearly 90 thousands of room, I got to think the guy was making a mistake.
You could also put the clip back on and use something like a couple of flat bars to lever the s-cam out.
Because it's been more than 15 minutes since I did the job I don't recall if the shims were on the inboard or outboard side of the slack, if they were on the inboard side they could have been stuck there with grease and the guy missed them.
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