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The Dieselfication of Coach 1046
Author: BigRabbitMan (Show all albums)

This album is dedicated to following the process of Coach #1046 being converted from a 1976 Chrysler 440-I with a 4spd Allison AT540 transmission to a 2006 GMC Duramax LBZ turbo diesel with a 6spd Allison 1000 double overdrive transmission. There is a companion discussion thread in the Mechanic's Corner section of the Forum area of this site.
Show Newest Photos First | Show Oldest Photos First379 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32]


..... another view.

Another view and .....

The engine and transmission have been temporarily positioned under the tail end of the coach.

With the rear housing change, the transmission mount bracket also needed to change. Here is the correct one for the new setup.


Here is another view. I have also had the transmision pan changed to the deep pan for greater fluid capacity. That provides a larger heat sink for heat surges.

And here is the transmission on the workbench at the Allison dealer. Note that it is attached to the tech's workbench by removing one of the side covers for the attachment point for a power takeoff or other attachment.

This is the coupler that goes on the end of the transmission shaft. These four bolts attach the parking brake drum and U-joint flange to the transmision shaft.

(2 Comments)
Earlier I told you to note the bolt pattern of the rear of the transmission. Here is the new bolt pattern. These four bolts hold the backing plate for the driveline brake. Just to the right of that flange, you will see a small, round indentation in the casting. That is the pivot point for the parking brake lever. Details, details, details!!


(2 Comments)
I took the driveline parking brake down and had it refreshed. The brake shoes were relined, new springs and cleaned. It also required a new drum. You can see the difference in the thickness of the old and new drums.

Here is the back of the engine. You haven't seen this end yet. Notice the nicely formed shielding that covers all of the exhaust manifolds and pipes. The exhaust gas half of the turbo is under the flat shielding on the top of the engine. Everything is very compact.

Here is the front of the engine. You have been looking at this end.

Here is part of the wiring harness. It may look complicated but if you look close you will see a bunch of little white tags near the end of each branch. That is a tag that tells us where it connects. When we put everything together in the coach, it is just a matter of reading the tags and everything will be in the correct place.
Show Newest Photos First | Show Oldest Photos First379 Photos - Page : [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32]

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