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  #1  
Old 08-20-2003, 07:53 PM
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Join Date: Jul 2002
Location: Devon, UK
Posts: 26
Tranny swap question - 300TE

I am proposing to swap the faulty 722-359 transmission in my 300TE-24 (104 engine) for the good 722-320 trans from my donor car (86 300TE (103 engine)). I know the governors & valve blocks are different but the shift points seem virtually the same as in my other 300TE. The only external difference I can see is the addition of wires to a plug secured by a screwed retainer just forward of the modulator on the 722-359. Does anyone know what this is for and whether I can run without it? (Or even if I can swap whatever it is from the 359 to the 320). I have the ATSG service manual but can find no reference to it.
None of the cars is fitted with a catalytic converter if that is relevant.
Any help gratefully received.

Adrian
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90 300TE 24v (M104 eng) 207K miles
87 300TE (M103 eng) 269K miles (and never had the head off!)
86 300TE (M103 eng) 230K+ miles (donor car)
95 Toyota Lucida diesel 4wd
86 200T 165K miles (sold)
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  #2  
Old 08-20-2003, 09:16 PM
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
Hmm.

I have a bad feeling that the computer on the '90 is connected to the tranny for shift point/gear data, and you most likely will have trouble without that data.

I don't know this for sure, you need to check it out.

Either that, or the neutral safety switch is different, and this WILL give you fits.

Peter
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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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  #3  
Old 08-21-2003, 08:31 PM
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Join Date: Jul 2002
Location: Devon, UK
Posts: 26
Thanks Peter
I am fairly certain that the neutral safety switch is the same as the 320 box.
Which computer would the trans be connected to? The car has CIS-E (KE-jetronic) & EZL fuel & ignition systems. The only major difference is that the M104 engine has variable valve timing (but still no cat).
Unfortunately my CDs wont print the wiring diagrams for some reason.

Adrian
__________________
90 300TE 24v (M104 eng) 207K miles
87 300TE (M103 eng) 269K miles (and never had the head off!)
86 300TE (M103 eng) 230K+ miles (donor car)
95 Toyota Lucida diesel 4wd
86 200T 165K miles (sold)
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