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on the side of the transmission
On your 1989 Ford Ranger : The vacuum modulator valve is on the passenger side of the A4LD automatic transmission ( it might be behind a heat shield )
filter change low oil front pump
How do you change the heater core on a 1989 Oldsmobile Cutlass Ciera? or where can I get the Info on replaceing it
oviously you have a vacume-leak intake to modulator-valve/or bad modulator-valve,check for leaks/replace modulator.this device controls kickdown-band apply pressure,with engine vacume
on the pasenger side of the transmission in the casing towards the front of the transmission pan
The PCV valve is located in the rocker cover (valve cover) Once you locate it pull up on the hose that is connected to it. Remove the PCV valve and put new one in. Reinstall in rocker cover.
The vacuum modulator on a 1989 Chevy K-1500 4wd 5.7 is underneath the transmission. It can be reached from under the car.
Remove the vacuum hose from your 1989 Oldsmobile 3.8 liter engine PCV valve. Remove the retaining bolts from the valve. Reverse the process to install the new PCV valve.
the abs modulator has a proportioning valve inside for normal braking.its an internal leak
An exploded view of the heater controls for a 1989 Olds Cutlass can be found in the Cutlass service manual. The manual can be found at most auto parts.
The 1989 Honda Civic is not equipped with an EGR valve.