Isn't shifting until around 35 mph. Could this be caused by anything besides the transmission

Asked by Mar 04, 2015 at 07:43 AM about the 1984 Chevrolet C/K 10

Question type: General

4 Answers

83,315

Broken vacuum supply to modulator, bad modulator valve, poor fluid supply. When was it serviced last?

Bought it used from a dealership a couple months ago. It was services within the last year

83,315

Still check the vacuum supply.

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Thanks man!

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