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Old 06-18-2002, 08:23 PM
Okiebenz Okiebenz is offline
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Join Date: Mar 2002
Location: Oklahoma, U.S.A.
Posts: 34
Hard shifting on slower acceleration

After I recently had the Control Pressure Cable replaced on my 1994 C220, the shifts to 2nd and 3rd are very harsh on slower accelerations and OK on fast acceleration. A little research, including this forum, suggests the vacuum modulator needs adjustment. My question is whether this is related to or independent of the Control Pressure Cable and any adjustments or calibrations needed after its replacement. Also, is it necessary for a shop to have special pressure gauges for this procedure or can it be done by "feel" and multiple trial adjustment?

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