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722.369 vac mod question
1994 E320 Wagon
250,000 miles original transmission (B3 friction discs replaced about 10K miles ago) regular ATF fluid/filter changes since new Over the last 6 months, car has developed slightly harsh upshifts, 3 to 4 shift seeems to be the worst. I suspect vac mod or vac leak problem. Checked vac system for leaks by visual inspection and with Mighty Vac tool--none found, vac mod circuit will hold 15 inches of vac with no leakdown. So my question: is it possible/likely that the vac mod is defective even if it holds vacuum? I did try to reduce pressure slightly be adjusting the vac mod pin--harsh shifts still present. If anything, the adjustment resulted in a very slight flair in the 2-3 shift. Thanks for reading. J. M. van Swaay
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1994 E320 Wagon, 230,000 miles 1995 E320 Sedan, 106,000 miles 1994 E500 Sedan, 79,000 miles |
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