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ZF Automatic Transmission flush 1990 740 700 1990

posted by  Dave Stevens on  Thu Jan 5 01:05 CST 2023
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last visit: Sun Jan 1 02:36 CST 2012
[RELATED]

Are you sure about the ZF transmissions? In North America, the AW7x trans were indeed the most common automatics coupled with the B230F, B230FT and B234F engines. In Europe, from what I can tell, the ZF transmission was more commonly associated with the B230E carbed engines and those weren't produced in North America, but may have been imported. Other information I've found suggests that some 740/760s may have had the ZF 22 transmission up until 1987 in North America, later in Europe. The ZF quickly became known as a troublesome transmission and many later got swapped for an AW. The turbo engines are harder on the transmission, so I imagine you may well be correct that Volvo avoided coupling the ZF with a B230FT, certainly by 1990. If the OP really does have a ZF, a more frequent change interval may be advisable.
--
Dave -still with 940's, prev 740/240/140/120 You'd think I'd have learned by now






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