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Old 04-02-2010, 06:03 PM   #15
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Janet&Sid,

If you have air brakes on your Alpine Coach, it would be a very rare case. All but a very few, special-ordered Alpine Coaches have hydraulic brakes. Hydraulic brakes were standard, with air brakes being a cheaper option during later model years. Look on the driver-side, exterior firewall (with GenSet slide extended) for the hydraulic brake master reservoir. Also, the hydraulic boost system for the hydraulic brakes is supported by the hydraulic system that runs off the main diesel engine. That reservoir is on the passenger-side of the engine compartment.

See my post #14 in this link for a discussion of the various hydraulic systems on an Alpine Coach:
Hydralic Oil - Pwr Steering/Brakes
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Old 04-02-2010, 06:18 PM   #16
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On the subject of flushing the residual fluid of any type from our hydraulic reservoirs; I believe the process is definitely not Chemical Engineering 101, Black Magic, or rocket science. I agree with Mike that if one does change from Valvoline Blue to Rando, ATF, or whatever; the residual of any type of fluid is totally inconsequential. My opinion is based on the fact that when R.V. Specialists here in San Diego was performing their rain dance of changing my system to Rando Premium HDZ to improve the braking they installed the wrong fluid, the non-Premium HDZ. While they tried to locate the correct HDZ fluid I drove the coach and did not particularly like the braking compared to the motor oil, also the coolant temperatures were higher than before the fluid swap. The shop said it was impossible to secure the correct Rando Premium HDZ, so I gave up and told them to put Valvoline back in.

The hydraulic servicing sequence was as follows. The WRV installed Valvoline was drained/flushed along with replacing the three filters. The incorrect Rando fluid was installed and subsequently drained and supposedly flushed from the reservoir along with draining the Rando from the three NAPA GOLD 7317 filters (at $59.98 each, that helped not having to replace the filters again). Iím fairly certain with all this draining, flushing, dumping and reinstalling filters that there definitely had to be a residual Valvoline/Rando mix in my hydraulic reservoir and system. After nine months and 5,000 miles I have detected no problems with the brakes or the coolant system fan. Iíve also decided Iíll do my own hydraulic system servicing in the future with the Vavoline Blue and Cummins Fleetguard filters which, incidentally, are considerably more reasonably priced than those from NAPA.
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Old 04-02-2010, 10:51 PM   #17
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I just want to say thanks for all the replies!!!!
I think i will try this myself now that its warmer,hopefully I can get a weekend without rain.
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Old 04-04-2010, 09:45 PM   #18
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Dale:
Thanks alot for your help, I do indeed have hydraulic brakes. When I took the coach into Camping World in Gulf Breeze for my first service after purchasing it used, one of the items on my list was to inspect hydraulic brake fluid and replace if necessary. They informed me I had air brakes, I assumed the company to whom I was entrusting the maintenance and saftey checks of my coach would know the difference. I know I assumed.
Now I am reading every post and take notes and make lists. First thing on my list is to quit my day job, I now have a new full time job.
Is there any book you can buy that shows how to do a lot of this maintenance, I was crawling under the coach today an discovered I have no idea how many lube fittings there are, so Iwill never know if I found them all. BTW how do you get the new hydraulic fluid up into the resovoir, and how many filters are there on the brake system?
Sid
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Old 04-04-2010, 10:33 PM   #19
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Hello Janet & Sid:

It would help if you provided the year and model of your Alpine so we can provide more accurate information.

For lubing you’re Alpine Depending on the year you will find a Zert fitting on the steering column and one on the u-joint of the steering column, A zert fitting on the break pedal assembly on through the floor break pedal assembly (Older Alpines) There is a zert fitting on each end of the drag link and each end of the tie rod. There is a zert fitting on the top and bottom of the king pins next to the wheels on the front axel. You also find zert fittings on the drive shaft u-joints and one on the drive shaft slip joint.

I hope this information is helpful.
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Old 04-04-2010, 11:46 PM   #20
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Dave:
Thank you for your help. We have a 2004 40' middoor. Sorry I thought that info was in profile.
Sid
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Old 04-04-2010, 11:52 PM   #21
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Sid,

You asked, "BTW how do you get the new hydraulic fluid up into the resovoir, and how many filters are there on the brake system?" I assume by this question that you want to flush and refill your hydraulic brake systems. If so, then you need to first read the relevant posts about flushing and bleeding. Those posts tell you about the issues involved in the bleeding process. But to directly answer your question, the new brake fluid goes into the brake master cylinder reservoir. The process is identical to bleeding and filling the brake system on an automobile, BUT access to the bleed valves on each wheel is much more difficult than on a car. And, you need a very patient helper or special bleed valves that avoid the need for a helper. See these links:
Brake Bleeding Question

Bosch ZOH T Slide pin caliper brakes

Also, since it sounds like you might be a new Alpine Coach owner, you should check out these posts for known serious issues with later model year Alpine Coaches:
CAUTION Late Alpine owners!!! Steering box mount issue

Brake Failure

Vibration under load
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Old 04-05-2010, 04:12 PM   #22
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Dale:
I am no where near ready to attempt replacing the brake fluid, but when I put a flashlight on the resovoir I noticed it was about 3/4" down and wondered how I was going to get it up and in there blind. I have since figured it out for when I get some correct fluid and top it off.
Thanks for taking the time to warn me before I did something stupid, but I am pretty much in the looking, checking and getting aquainted with stage at present.
Sid
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Old 04-05-2010, 05:16 PM   #23
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Sid- the Cunifer brake line issue probably does not affect your 04, but the steering box mount issue does. With an 04 you may already have the crack (see the thread linked above for details) so a check of your steering gear bracket is in order right away. Easy to check and you can see from the great videos Dale Gerstel posted on that thread, and the other photos, what to look for. If you have any questions on it, post them on that thread to keep the info there.
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Old 04-06-2010, 10:17 AM   #24
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Regarding availability of the Nelson 84220A hydraulic filter, 3 each that stack in the reservoir tank, the Country Coach guys on Yahoo report the following cross referenced filters:

Cross references: Wix 57317 , Baldwin pt9344, Fleetguard hf8140
I haven't checked these numbers so buyer beware. The CC guys say they should cost $6-8 each or $18-24 for the set of 3. Ryder Fleet Products has them here (the Nelson brand) for $7.72 each plus shipping
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Old 04-06-2010, 07:43 PM   #25
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Why does anyone buy from NAPA when the OEM product is available at a 1/3rd the price from a truck dealer? Ryder gets my business.
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Old 04-06-2010, 11:20 PM   #26
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Mike:
Thanks for the advice. I read the sticky before I bought the coach ( actually this site was one of the main reason we selected an Alpine) and checked the steering bracket and it showed no cracks. I have it on a 3 month checklist now. Do you think I should replace it now, or wait for and indication of fatigue? The coach has 13,000 miles on it.
Thanks,
Sid
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Old 04-06-2010, 11:35 PM   #27
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Sid,

For the steering bracket issue, have it fixed now; don't wait for an issue. Since you are now aware of a potential problem and if you don't fix it and you end up in an accident injuring others as a result, I would expect the opposing party to go after you.
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Old 04-08-2010, 04:36 PM   #28
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Janet & Sid.....

Here's an analogy...

There is a gun to your head...The guy with the gun says I'll take it away if you want me to.

Do you wait till he pulls the trigger?
OR
Do you push it away now?

FIX IT NOW
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