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87' 740 w/ ZF Trans & 228K Miles. Slips on Acceleration. Need Help on Options. 700

For the last couple thousand miles the ZF transmission shifts frequently between 40 and 50 mph, then yesterday when I accelerate from a stop or slow speed the rpms go up but not the car. It is like the torque converter is slipping maybe??? I read on other posts that maybe the shift linkage may be the problem but tried moving it slightly and accelerating - no change. The transmission fluid is at full and has been changed every 10K miles for the last 120K miles. The car is in good shape bodywise and we really like it so:

1) Should I look for a used engine and transmission, not the small bearing engine found in 87s', and not the ZF transmission? Would a late 88' on up and AW71(?) use the same driveshaft and is the wiring much different. I assume I would need a different ROM, but am not sure. I realize the OD switch and relay would have to be added.

2) I have an automatic transmission out of a 82" 244 I wrecked a few years ago that worked well even though it had 224K miles on it. Would it fit and would the driveshaft length work? I realize the OD switch and relay would have to be added.

3) What makes the most sense, parking it in the woods and using it for parts? I also have a 91' 740 and 95' 940. I hate to let these Volvos die before their time but maybe that time has arrived for the 87?

Thanks






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New 87' 740 w/ ZF Trans & 228K Miles. Slips on Acceleration. Need Help on Options. [700]
posted by  someone claiming to be Glen  on Sun Oct 27 06:14 CST 2002 >


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