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downshift for uphill? 200 1989

posted by  Volvodad on  Fri Jan 14 14:43 CST 2005
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last visit: Thu Oct 23 16:18 CST 2014
[RELATED]

Your transmission's behavior sounds quite normal.

On our 940 with a virtually identical trans, I sometimes use the OD lockout button to manually downshift the trans to 3rd. Otherwise when it hits a steeper hill, it tends to stay in 4th gear until the gas pedal is down pretty far and the RPM's have dropped a bunch. It then automatically shifts down to third with a mighty roar (but not much else) and the tach soars. I prefer in some cases to anticipate this and manually downshift a bit earlier with smaller throttle opening and less commotion.

Like Jim, I also sometimes lockout the OD to use engine braking when descending a long hill.

But presumably the engineers knew their stuff and you won't hurt anything by letting the trans do it all.
--
Bob (son's 81-244GL B21F, dtr's 83-244DL B23F, 'my' 94-944 B230FD; plus grocery-getter Dodge minivan, hobbycar 77 MGB, and numerous old motorcycles)






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