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  #1  
Old 04-04-2014, 06:56 AM
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545rfe swap

I am planning on replacing my faulty 545 with a good used one, I am here asking do I need any special driveline sockets or tools to r&r the trans? Any tips or pointers. Does the tc have to come asbone with trans or disassemble everything then take trans out by self, drain fluids before hands or dont bother.

When I put the used trans in how do i drain the most amount out so I can put fresh filters and lube in. Thanks guys
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Old 04-04-2014, 05:39 PM
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Re: 545rfe swap

I did do a writeup some time ago. In Holland now for some weeks, so can' t send the writeup, but maybe you can find it using the search function. I used a small jack platform to hold the weight of tbe transmission. I didn't weigh it, but expect it to be around 70 Kg. When the pan is removed, almost all fluid is out of the transmission. You will use a new torque converter?
I would remove the T case from the tranny, otherwise it will become too heavy and not easy to handle. I would drain the pan and remove valve bodh to make it as lite as possible before removal.
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Old 04-05-2014, 07:40 AM
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Re: 545rfe swap

I started at 7 and 10:30 I stopped I got as far as Tcase being removed. Now there is a cast aluminum brace underneath where engine and transmission mate, does that have to be removed in sequence as stated in fsb or can it stay in and gain acess to converter bolts a different way
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Old 04-05-2014, 03:33 PM
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Re: 545rfe swap

You will have to remove the aluminum structural cover to get access to the torque converter bolts. 6 bolts in total when i remember well.
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Old 04-05-2014, 05:31 PM
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Re: 545rfe swap

Trans just pulled out, the two dowel pins fought me. Now when I install the good used one, its dry as in very minimal amount of atf in the converter and sump is minimal, there a way to prime or just fill and start and idle it to let it flow through
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Old 04-05-2014, 09:05 PM
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Re: 545rfe swap

How come book time is 5hrs and I worked all day today and partial friday and all I got was trans removed today by 5:30p?
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Old 04-06-2014, 04:11 AM
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Re: 545rfe swap

Quote:
Originally Posted by hoffmanestates View Post
Trans just pulled out, the two dowel pins fought me. Now when I install the good used one, its dry as in very minimal amount of atf in the converter and sump is minimal, there a way to prime or just fill and start and idle it to let it flow through
No need to fill the torque converter before installation, but ofcourse you have to lub the seals before installation. Also don't forget the O ring on the torque converter shaft and check the seal on the transmission cov er plate. Would probably be a good idea to change those seals before installation.
As soon as you start the engine, the torque converter will be filled with fluid.
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Old 04-06-2014, 07:10 AM
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Re: 545rfe swap

I preformed that back when I used to work on cars and every time I did I did it that way I damaged the t/c and trans due to aeration. But anyway, how come this taking me 2 weekends to do a simple r&r of a trans.
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Old 04-06-2014, 07:18 AM
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Re: 545rfe swap

Quote:
Originally Posted by hoffmanestates View Post
I preformed that back when I used to work on cars and every time I did I did it that way I damaged the t/c and trans due to aeration. But anyway, how come this taking me 2 weekends to do a simple r&r of a trans.
Bad mechanic?
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Old 04-06-2014, 07:34 AM
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Re: 545rfe swap

Idk, I have all the jacks, pneumatic tools ect... granted doing on the ground laying on back but still, I can pull a flywheel out of a volvo vn series in 3hrs
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Old 04-06-2014, 09:22 AM
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Re: 545rfe swap

I think the 5 hrs are a bit optimistic. They probably use more then one mechanic, but still. Doing the job on the ground for sure increases the labour hours.
What did damage on the torque converter due to aeration? Its in fact just an axial fluid compressor/ turbine and there is not much to damage. Many times it happened that the fluid from the TQ drained back due to a faulty return filter and it caused only delayed engagement due to the filling of the TQ.
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Old 04-06-2014, 09:25 AM
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Re: 545rfe swap

At time I got a firm talking to from the shop foreman that by me not priming the system I pretty much fried his trans
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