brake problem not on recall

[hamprv]

Hello- new to rv's and to posting-I purchased an 04 winnie sightseer w 14,500 miles last week (private owner). It had only been driven 1 time in the last year. Immediately (the next day) had problems with braking slow to respond. By the time we got home (7 hours) the brake pedal was sticking down and we had to pull it up manually. It has been in the shop all week and they have diagnosed a faulty brake booster? Repair is $1750 Sounds a lot like recall but our W22 was not in the latest recall. WHat to do? Can I report problem for possible future recall?

[DriVer]

Quote:

Originally Posted by hamprv Sounds a lot like recall but our W22 was not in the latest recall. WHat to do? Can I report problem for possible future recall?

hamprv, I want to welcome you to iRV2 and you have found the best resource for all things Workhorse.

The Bosch Hydromax brake booster is not a component of the 50901-C campaign. There has not been any mention or any complaints that I am aware that points toward the brake booster as being a part of the recall.

I regret the problem that you have just incurred however you remain subject to the caliper recall which will be released in the not too distant future.

Please make sure that you are listed as the owner of record so that you will get the 50910-C recall letter in the mail when it is released.

[abarkl]

Caliper which will be released? Oxymoron?

[DriVer]

Quote:

Originally Posted by abarkl Caliper which will be released? Oxymoron?

OK!

[Duner]

Quote:

Originally Posted by hamprv ..... the brake pedal was sticking down and we had to pull it up manually. It has been in the shop all week and they have diagnosed a faulty brake booster? Repair is $1750 Sounds a lot like recall but our W22 was not in the latest recall. WHat to do? Can I report problem for possible future recall?

I think it could possibly be that the bell crank is sticking. I have a '04 WH and I had to have the grease zerk added. The bell crank is part of the brake pedal linkage that can stick. I know that WH had problems with some of these sticking because of not enough lube applied. So they added the zerk fitting and periodic lubing required.

I would not let the shop charge you all that money for a brake booster without first eliminating the bell crank issue first. Is the shop an authorized Workhorse Service Center? If not, I would not trust spending that much money for somebody learning the Workhorse brake issues.

Good luck and welcome to iRV2 forum,
Bill

[speed racer]

Quote:

Originally Posted by Duner I think it could possibly be that the bell crank is sticking. I have a '04 WH and I had to have the grease zerk added. The bell crank is part of the brake pedal linkage that can stick. I know that WH had problems with some of these sticking because of not enough lube applied. So they added the zerk fitting and periodic lubing required. I would not let the shop charge you all that money for a brake booster without first eliminating the bell crank issue first. Is the shop an authorized Workhorse Service Center? If not, I would not trust spending that much money for somebody learning the Workhorse brake issues. Good luck and welcome to iRV2 forum, Bill

I agree on the bellcrank. It is in a position that if it has a fitting it very seldom if ever gets lubed.

[DriVer]

I can't begin to tell you how many times that I have lubed all my fittings, put everything away and cleaned up just to go .. "DOH!" I forgot to lube my relay rod!

Once the relay rod has a load of grease in it, the pivot remains well lubed for a long time without being lubed each and every time. For example there's no where near the amount of load on the relay rod that you would see on a chassis suspension or drivetrain component.

The Bosch Hydro-Max also has a very powerful internal spring that actually does most of the work. If you don't have a grease fitting on your relay rod you should have one. If you have a grease fitting and you are pulling back on the pedal with your foot that would be quite unusual.

The lithmus test on W20 and W22 chassis is to grab the relay rod down low by the brake booster, and apply counter clockwise force until you hear the pump motor engage. Let go of the rod at that point and the pump motor should stop immediately. You can also do this with your foot sitting in the driver's seat. Pump motor on and then on release pump motor should go off right away.

This tells you 2 things, the relay rod is not seized since you can move it by hand and the pump motor shuts off on release so the spring in the Hydro-Max is working.

[Max Hubrich]

Here's Oemy's pictures of the Bell Crank "Zerk" fitting you need to have----

Back in late 2003 or early 2004 there were a number of people that reported that the brake pedal did not return completely. The usually fix was for the dealer to install some sort of return spring on the brake bellcrank. But, Workhorse finally fixed the problem by adding a grease zerk to the bellcrank shaft. If you were under warranty Workhorse would install it free. I elected to do mine own as I was 150 miles from my dealer.
I use a 1/4x28 Grease Zerk. This takes a #3 drill bit or 7/32 drill bit for the proper tap.
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