Automatic Trans ? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

pierce · 03-17-2003, 11:49 AM

There's a vacuum line that runs from the intake manifold down to the pass side of the tranny. What is this for and does it effect the shifting?

cdowns · 03-17-2003, 12:05 PM

yes it goes to the modulator which is located tword the rear of the tranny on the righthand side near the tailshaft and it controls the shifting of the tranny

pierce · 03-17-2003, 12:07 PM

Thanks cdowns for the quick reply! Gotta get to work on it.

03-17-2003, 11:49 AM	#1
pierce Registered User Join Date: Sep 2000 Location: Cincinnati,OH,USA Posts: 464	Automatic Trans ? There's a vacuum line that runs from the intake manifold down to the pass side of the tranny. What is this for and does it effect the shifting? __________________ 69 GMC 1 Ton Longhorn 37 Chevy Coupe

03-17-2003, 12:05 PM	#2
cdowns Senior Member Join Date: Jan 2003 Location: daytonabeach Posts: 22,956	yes it goes to the modulator which is located tword the rear of the tranny on the righthand side near the tailshaft and it controls the shifting of the tranny __________________ 71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY

03-17-2003, 12:07 PM	#3
pierce Registered User Join Date: Sep 2000 Location: Cincinnati,OH,USA Posts: 464	Thanks cdowns for the quick reply! Gotta get to work on it. __________________ 69 GMC 1 Ton Longhorn 37 Chevy Coupe



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