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Old 05-14-2001, 11:07 AM
Posts: n/a
I just had the Transmission Modulator Valve replaced on my 1987 300E. Symptoms were rough and jerky shifting. The valve also exhibited a leak as there was ATF underneath the rubber cap which conceals the adjustment tee. This usually indicates that the diaphragm inside the valve is bad. Replacement of the valve is the only option at this point. I do notice a huge improvement in the quality of the shift. I may want to tweek the adjustment a bit, but it shifts much better now!
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