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Old 10-11-2015, 06:40 PM   #351
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Martin, something to consider.

If your front wheel bearings are on the loose side when you drive and especially turn a corner the front rotors will wobble slightly. This wobble will push the brake caliper pistons in slightly which then requires additional pedal strokes to get the pistons to push the brake pads back into contact with the rotor.

This is a real problem on Triumph TR3 thru TR6 race cars. The spindle flexes slightly and if your bearings are loose the movement in the rotors will push the pads away. At a lot of races you'll see Triumph racers pump the brakes prior to heading into corners to get the brake pads back into contact with the rotors! The best solution for Triumph race cars is stiffer spindles and sometimes a residual valve in the line that keeps a slight amount of pressure applied. I'm not suggesting to do something like this for your Argosy. I just wanted to point out that the actual cause of a problem may not be what you expect!

Brad
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Old 10-12-2015, 03:22 AM   #352
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Makes sense Brad, and another thing to look into.
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Old 10-18-2015, 09:41 AM   #353
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Quick update as not a huge amount has happened since my last post, since I have been in the UK for a couple of days this week.

Wheel bearings seem fine, and the shop can't find anything wrong at the wheels. They have found the brake fluid 'looked old' so they are going to clean and replace, but I have hit another 'gotcha'.

Colder weather, lots of time with the ignition on diagnosing the brake light, lots of starting but not running far has resulted in the expected 'dead battery' (even though it sits on a battery tender when not in use). OK so that I'm not surprised about, what I am surprised is there is a 650 CCA 'top post' battery installed (although an AC Delco Professional unit) where all the online suppliers list a 800CCA side post for a 1975 P-30 Chevy chassis (a group 78). I could put a group 78 back in but that also means changing all the battery connectors back over to side mount, so an opinions on going with a group 34, means is still 800CCA and fits but has top posts?
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Old 10-19-2015, 08:08 AM   #354
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Martin, I'm surprised the battery failed like it did. Since you use a battery tender I would think it would last a lot longer than what you've experienced. I'm guessing it might be a year or so old?

There are group 34/78 batteries out there that have both top and side post connections.

Does your Argosy have both batteries mounted above the radiator or have you relocated them?

Brad
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Old 10-19-2015, 08:19 AM   #355
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I just have the chassis battery up front (the two house batteries are now on a pull out tray under the water heater (in front of the rear wheels on the drivers side). This means I have a the entire battery tray space just for the chassis battery.

The chassis battery did come with Bella from Florida so I have no idea of the history, it could be something the PO had laying around.

Actually yesterday I think I answered my own question....of course the side posts prevent any issue of shorting the battery as you remove/insert through the front access panel (so I think are preferable), what I didn't know was you can buy screw in posts for side post batteries that let me use the current 'clamp' connections; each time I had used a side post battery previously I had changed the connectors to 'loop' and bolted straight in....d'oh!
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Old 10-19-2015, 10:07 AM   #356
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So you were really dealing with a battery of unknown history. I always like to buy batteries with the largest CCA available. You never know when you're going to need that capacity!

On my Argosy I don't plan on putting the chassis battery back where it was originally. I don't like the idea of having a battery sitting above the radiator.

Since I will likely be moving my wet bath to the same location as yours I will be able to remove the black water tank will provide ample room for 2 or 3 batteries in a tray.

As for side or top post, I think for trays or drawers the side post makes a lot more sense.

Brad
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Old 10-19-2015, 11:17 AM   #357
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Although Bella doesn't have a black tank at all (cassette toilet sees to that) I do have two grey tanks (one under the shower/basin and one under the sink) as that was simpler than trying to run pipework over/under the chassis rails. So that means on the drivers side I have propane, sink grey tank/waste gate/dump connection, battery tray (on slide out tray), and on the passenger side gas tank, shower/basin grey tank/waste gate/dump connection and steps.....there is a lot of room for anything else!

PS the under body compartments are not high enough for either the batteries or a modern propane tank, so the guys had to make a double hinge setup. This means the compartment doors hinge on a piece of 2 1/2" channel, which then hinges on the new support beam. I can open the compartment for access, or drop the door on the second hinge to pull batteries out, re-fill propane etc.
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Old 10-19-2015, 11:28 AM   #358
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Quote:
Originally Posted by martin300662 View Post
Although Bella doesn't have a black tank at all (cassette toilet sees to that) I do have two grey tanks (one under the shower/basin and one under the sink) as that was simpler than trying to run pipework over/under the chassis rails. So that means on the drivers side I have propane, sink grey tank/waste gate/dump connection, battery tray (on slide out tray), and on the passenger side gas tank, shower/basin grey tank/waste gate/dump connection and steps.....there is a lot of room for anything else!
Martin, one of the questions I had my list to talk to you about was how you plumbed the drain from the wet bath over to the drivers side gray water tank. You just answered that one

I had not intended to relocate my propane system and would prefer not to. I may have to look into a way of routing a small shower drain pipe over to the passenger side gray tank. That should be interesting

Quote:
PS the under body compartments are not high enough for either the batteries or a modern propane tank, so the guys had to make a double hinge setup. This means the compartment doors hinge on a piece of 2 1/2" channel, which then hinges on the new support beam. I can open the compartment for access, or drop the door on the second hinge to pull batteries out, re-fill propane etc.
Could you post some pictures of your compartment door arrangement? Assuming I remove my black water tank I was considering adding a battery drawer similar to how the 310s and 345s are configured.
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Old 10-23-2015, 07:24 PM   #359
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Another day....another shop now working on Bella

The local shop removed the wheels/drums etc and flushed and pressure tested the brakes. I get a call to from them to say they had road tested and everything was OK. I am still waiting for the suspensions and steering parts to arrive so decided to pick Bella up and go check for myself.

Gorgeous day for a trip to the beach, and brakes felt great.



Hardly a marathon road test as the beach is 800yds from our house....just long enough for the brake warning light to come back on, and for all response to brake pedal to evaporate.

I managed to limp to a different shop, one that works on ambulances and public service vehicles. They couldn't even get the cover off the MC as it was under vacuum, and when they final got the cover off the MC was empty, so I guess the first shop have forgotten to tighten something and Bella has lost all her new brake fluid. I left Bella with them; hopefully they will do a better job than the first place.
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Old 10-23-2015, 07:35 PM   #360
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no way
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Old 10-23-2015, 08:16 PM   #361
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Sorry to hear that Martin!
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Old 10-23-2015, 08:24 PM   #362
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I think I'd be having a conversation with the last shop. The ending could have been a whole lot worse than what it was.
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Old 10-23-2015, 09:33 PM   #363
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i'm not best pleased but holding off from confronting the first shop until I actually find out what is wrong (this time).

The good news is I seem to have finally found a shop and a mechanic who is a little old school and seems to know what he is talking about....fingers crossed.
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Old 10-24-2015, 07:23 AM   #364
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Wow. Bright side, you werent rolling up to a stop light with traffic. Ya never know, maybe this mishap has lead you to the right shop, with the right mechanic to finally get you past the dang brakes so you can move ahead. Ill put my money there. Good luck Martin.

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