[DeTomaso] ZF Pumkin trick?

[Nolan Scheid]

Thank you Jack,
I am assembling the ZF after it sat mostly finished in storage for years.The first time around all 
the bearings and syncros were replaced. It had been oiled and covered but one of the roller bearings 
has some rust on it. I am going to replace it so everything is perfect.

I really made this more difficult for myself by shelving this project for so long.Unfortunately at 
the time, the shop I had to work in was a two hour drive from here. Now that I have a shop here, it 
is so much easier.  I spent yesterday getting reacquainted with the car. I am within a couple good 
weekends of having it back on the road.

Take care,
Nolan


----- Original Message ----- 
From: <JDeRyke at aol.com>
To: <Nolan at mortarsprayer.com>; <detomaso at realbig.com>
Sent: Tuesday, July 21, 2009 11:21 PM
Subject: Re: [DeTomaso] ZF Pumkin trick?


> Sort of- the cast iron side plates must be pulled. These carry the outer
> races of the tapeed diff bearings which can stay on the LSD. I think the ring
> gear must be unbolted to work the LSD around the pinion shaft. All this is
> easier if you just bite the bullet and simply unbolt the central gearbox from
> the diff case. The whole gearbox then comes off from the back as a
> cartridge, including the shift   shafts, forks & levers, also removing the long
> pinion shaft from the diff case. Then the LSD lifts out with the ring gear still
> bolted on. The iron end cap at the back of the tranny part need not be
> removed.
> Expect to break at least one metric allen wrench- those case bolts are
> TIGHT! I used a 1/4"-drive ratchet wrench, a 6" extension and a metric socket to
> hold short pieces I broke off the allen, for continued use. There is no
> gasket between those cases; I bumped the protruding clutch shaft against a 2x6
> on the concerete to break the two parts loose, once the bolts wee all out.
> No matter how long you've drained the box, expect to dump about a pint of
> gear lube on the floor when separating the diff and gearbox cases.
>
> I hope you have the factory ZF manual in hand..... it doesn't show some
> critical areas very well, but its a lot better than trying to figure this
> complicated box out by yourself, especially reassembly. Good luck- J Deryke
>
>
>
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