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Where is modulator valve s10Hi there,If your transmission is a stock 1987 s10 2WD or 4x4,the transmission is a 700r4, 4 speed transmission w/ Overdrive.(around 1991 the 700r4, was renamed the 4L60, about 1993 became the 4L60E, E for electronic shift.) This transmission did Not have a vaccuum modulator, as did earlierchevrolet 3sp automatic transmissions.

They use a TV cable (Thottle Valve cable) to determine shifting.The TV cable hooks up to the carburetor or injection body linkage -in a (visual way) similar to the older (kickdown) linkages of 3spd automatic transmissions. It is NOT a Kickdown cable.

Proper adjustment IS CRITICAL to the survival of your 700r4.

you. Good luck

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โˆ™ 2015-07-14 14:59:42
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Q: Where is the modulator valve on a 1987 S10 Chevy Blazer with a 2.8L engine and an automatic transmission?
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