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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]


All of the radiator and intake air hoses use a quick disconnect fitting instead of standard hose bands. There is a positive attachment.

You can see the lower radiator hose attached to the water pump. The pump is gear driven from inside and has reliable seals!

This is the lower radiator return hose or snake as Eric named it. We will probably use part or all of it. The two small hoses are the return lines from the cab heater and the fuel heater.

It was time to start extraction of the lower radiator hose. This is the end that attaches to the radiator. It then makes a U turn and goes under the radiator and across to the water pump on the other side.


Here is the GMC radiator. It had a little fan contact as a result of the rollover, but is repairable and will be used in the conversion as well. Note: Susequently, another radiator became available so this one will not be used. The replacement is in perfect condition.

This is the charge air cooler and the frame that held it in the GMC. This same unit will be used in the FMC.

Here you can see the belt coming across and up from the crank pulley to the belt tensioner and then back under an idler and up to the original alternator. This area will change due to the addition of a vacuum pump to provide vacuum for the coach's brakes.

This is from the other side. Here you can see the belt coming across from the power steering pump and then going across the top of the fan pulley and then down to the crankshaft pulley. Note that the fan is driven with the back side of the serpentine belt.


Here you can see the belt routing (excluding the new alternator) with the fan on the left. The new alternator is between the AC compressor and the power steering pump.

(1 Comments)
This is the test fitting of the second alternator that we are adding. Since this engine had a second alternator as a factory option, I felt that it would be good to incorporate it into this application. The orignal alternator will be dedicated to the chasiss system and second alternator will be dedicated to the house system. I already have manual switches in my coach such that I can tie both systems into either altenator if needed.

Here is the backside of the fan and it's pulley as removed from the engine. Again, note the opposite pitch of the fan blades. Also note that the fan shroud incorporates stator vanes to slow air rotation and improve air movement.

Here is the engine's right side (will become the driver's side in the FMC). This is the "busy side" of the engine with EGR, fuel filter, fuel heating, intake air heating and other things on this side. Most of it will not be touched by us as it will stay attached and move with the engine.
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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