[AT] Chevroplet 8500 Air brake issue

[Bo Hinch]

Ok , I guess I didn't have my big eyes open enough to read everything ,
Sorry for the interuptings .

On Thu, Jan 20, 2022, 7:26 PM Cecil Bearden <crbearden at copper.net> wrote:

> My real problem is not getting the collars to release, the problems is
> getting to the collars period.  They are back behind the a/C duct, a hard
> formed plastic duct made like a T section starting in the center of the
> dash and the firewall fittings are behind that duct, and one line that tees
> off from the park valve runs over the brake pedal bracket and left to who
> knows where, maybe to a warning indicator..
> Cecil
>
>
> On 1/20/2022 6:57 PM, Bo Hinch wrote:
>
> Maybe so Steve but that is the one I used in my business for 25 years and
> have never found a line yet that it didn`t work on . Just saying m.
>
> On Thu, Jan 20, 2022 at 6:50 PM Steve W. <swilliams268 at frontier.com>
> wrote:
>
>> The one for the GM /Bendix couplers Cecil is dealing with is more like
>> the thin plastic ones that Lisle sells, but it’s thin walled steel. The one
>> you have is too thick to fit in them.
>>
>>
>>
>> *From: *Bo Hinch <bohinch at gmail.com>
>> *Sent: *Thursday, January 20, 2022 6:26 PM
>> *To: *Antique Tractor Email Discussion Group
>> <at at lists.antique-tractor.com>
>> *Subject: *Re: [AT] Chevroplet 8500 Air brake issue
>>
>>
>>
>> I have all the differant disconnect tools but this one is my faveroit of
>> all .
>> https://www.amazon.com/Tools-3290-Sprng-Coupling-Tool/dp/B0002SRD0A
>>
>>
>>
>> On Thu, Jan 20, 2022 at 2:51 PM Steve W. <swilliams268 at frontier.com>
>> wrote:
>>
>> The main thing with those fittings is that the teeth like lo dig in from
>> the vibration so trying to release them becomes a chore. There used to be a
>> tool out there similar to what others have posted but it was very thin wall
>> steel that would slip over the tube and allow you to push the teeth out as
>> you pushed the retainer in. The thicker ones generally don’t fit very well.
>>
>>  You might want to check with GM they used to have a 3 day access to the
>> truck service information for about 30 bucks.
>> https://www.acdelcotds.com/subscriptions#
>> <https://www.acdelcotds.com/subscriptions>
>> I have worked on a few bears and kicks over the years but never behind
>> the dash, most of the time it was for wiring problems. Sorry.
>>
>>
>>
>> *From: *Cecil Bearden <crbearden at copper.net>
>> *Sent: *Tuesday, January 18, 2022 7:35 PM
>> *To: *at at lists.antique-tractor.com
>> *Subject: *Re: [AT] Chevroplet 8500 Air brake issue
>>
>>
>>
>> I have an air leak under the dash in my C8500 1998 Chevrolet tractor
>> mover.  I have the instrument cluster out and can barely reach to the
>> fittings in the firewall.  Ther eis one line that goes from the parking
>> valve to over the top of the steering column to who knows where.  My leak
>> is somewhere beyond the air valve.  It really hisses.  I have replaced
>> nearly all the fittings last spring on this thing.  I have an alcohol tank
>> ordered.  Those quick connect fittings are a pain in the butt...  Does
>> anyone have any experience with these..  Maybe Steve W..???  The factory
>> service manual is $300+, and I have tried to download 2 times today and it
>> failed.  I will wait until tonight after midnight to download...
>> Cecil
>>
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