Re: [AMC-List] Pacer trany

["Jim Blair" <carnuck@xxxxxxxxxxx>]

To see for sure if the trans is a lockup, drop the pan and look on top of 
the valvebody for the "S" shaped tube about 5/16" diameter (average pencil 
size). No tube means no lockup. Also, if you have the torque converter off, 
there is a deep hole (about 1/3 the way up the shaft into the trans) in the 
middle of the input shaft on lockup trans. Hole is only 2" or so deep on 
non-lockup. (fluid travels up the hole to the lockup clutch in the 
converter)
   As for upshift, 27 mph to drive is normal. Lockup shouldn't engage till 
42 mph (and I put the replacement spring in mine to make it lockup at 52 mph 
for towing). When the lockup was going bad in my Eagle, I dropped the 
valvebody and put a large (well, about 5/16" diameter) ball bearing in the 
tube to stop the lockup. In hindsight, I would rather have put an electric 
lockout I could manually control on the tube so I could keep the fuel 
economy and freeway speed when I wasn't towing, but I had planned a 727 
upgrade anyways.
   With what I know now, and AW4 would be going in there! (I even have one 
from a '95 or '96 XJ with only 60,000 kilometers on it sitting on my for 
sale stuff shelf as I ended up with a motor trans combo I wasn't expecting 
for my '84 J10)
  Speaking of AW4, the pilot bearing of my BA 10/5 in my '87 Comanche 
started jamming last night and I want to get on the auto conversion, but I 
STILL have the '92 Grand Voyager I've been trying to sell for $200 in the 
garage I need! (I may end up having to fix it as a backup vehicle tomorrow!)

Jim Blair, Seattle, WA '84 J10 Black Jack (getting lifted and stroked!), '73 
J4000 304/TH400/QT tow truck http://www.virtualjeep.com

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From: Ken Ames <ameskg@xxxxxxxxx>
Subject: Re: [AMC-List] Pacer trany
To: amc-list@xxxxxxxxxxxx
Message-ID: <1162970684.4551863ca1d86@xxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1

The 79 304/998 had a lockup but he 258/904 was locked up in 80.
There's no switch needed. It's all internal in the trans - 3rd
gear and 30 some
MPH.

Ken

Quoting Sandwich Maker <adh@xxxxxxxxxxxxxxxxx>:

>" From: Jim Shadwick <idahoamx@xxxxxxxxx>
>" " " 1. Does a 75 258 Pacer have a lockup tranny.....
>" " 2. I have a 76 258 with auto attached....not sure what it
came out
>" of....will it fit...is it a lockup
>
>i don't think lockups appeared until the early '80s, so your
two
>trannies should be identical.  even so a lockup should be an
easy
>swap.  the only new thing should be the lockup switch.
>
________________________________________________________________________
>Andrew Hay

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