1975 k5 blazer automatic not shifting into 2nd gear.

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08-12-2010, 11:12 PM

75 blazer

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Join Date: Aug 2010

Posts: 1

1975 k5 blazer automatic not shifting into 2nd gear.

i recently bought a 1975 k5 blazer and out of no where it didnt want to shift into 2nd gear. it stays in 1st the whole time??? please help me.

thank you.

08-13-2010, 06:36 AM

swartlkk

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Join Date: May 2005

Location: Waterloo, NY

Posts: 41,137

It could be a bad vacuum modulator. It is located near the side of the transmission near the back. It will have a vacuum line into it.

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