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#1
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hard shift
Hi,
Lately my 350 SDL has been shifting hard. One mecanic tels me its normal and another one tels me that he will have to change the vacuum pump located on the driver side of the engine. Is there something to do without changing the pump. Thank you, J-P |
#2
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You should have the vacuum supply to the trans vacuum modulator checked. The vacuum control valve that regulates the vacuum to the modulator can cause that problem as well.
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MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator |
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