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Where is the modulator valve on 86 Chevy 350 turbo and how nhard is to replace?
Wiki User
∙ 11y ago
not hard at all its very7 simple its in the passenger side of the tranny
Wiki User
∙ 11y ago
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How do you replace the modulator valve on the transmission of a 1988 Chevy 1500 pickup?
modulator is round and located on the drivers side of the transmission. modulator unscrews from the transmission if it is a 700 R4 It unbolts with 2 7/16 bolts if it is a turbo 350 Unplug the vaccum line remove the modulator replace with new modulator hook up new vaccuum line
Where is the vacuum modulator on a 1995 Chevy Silverado?
If your speaking of the vacuum modulator for the transmission, they no longer use them on the transmissions with overdrive and electronics. The powerglide, turbo 350 and turbo 400 used to use them.
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how to replace tps on 95 chevy 6.5 turbo diesel 1500
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the modulator valve does not have a screw, however, the modulator located outside the modulator valve may or may not have one.
How do you remove the modulator on a 1967 Chevy truck?
Assuming this is a PowerGlide or Turbo-350 automatic transmission vacuum modulator, to minimize fluid loss jack up the rear of the truck and support with suitable jack stands, place a drip pan under the modulator, pull off the vacuum line from the modulator, remove the small bolt and clamp holding the modulator in place, gently twist and pull the modulator out taking care not to lose the small actuator pin inside. Keep the dirt from entering the opening. Install the new modulator with a new o-ring.
Where is the modulator loacated on a 1985 Chevy Blazer small block 350 turbo?
on the side of tranny, about mid point on passenger side, there is a vacum hose on the end, with a single bolt clip holding it on
1980 turbo 350 shifts into drive too soon?
Check the vacuum source to the vacuum modulator. If it's good, try a new modulator.
How do you change the vacuum modulator on a 1978 Chevrolet C20 pu 350 AT Turbo400?
The vacuum modulator is on the passenger side under the cooler lines on a turbo 400. It's held in with one bolt that goes through a clamp that holds the modulator in. To change it put a drain pan under the modulator, pull the vacuum line off it, remove the bolt and clamp, pull the modulator out. Make sure the o-ring seal comes out with it, be sure there's a new o-ring on the new modulator and put it in, replace the clamp and bolt that holds it in and hook up the vacuum line (if it's an adjustable replacement modulator you might need to use a little bit longer rubber line if it has a steel line running down with a short rubber line at the end since some of the old turbo 400's originally had a big canister modulator and the new one will probably be smaller). Then start the engine, check for leaks and refill the transmission as needed. Same procedure on a turbo 350 but the modulator is in the rear on the passenger side pointing towards the back of the car/truck on a turbo 350.
How do you tell a turbo 400 from a 350 turbo?
The TH 400 has the vacuum modulator attached to the passenger side of transmission.The TH 350 has the vacuum modulator attached to the rear of transmission.The transmission oil pan on the TH 400 is anything but square.
Can you replace a Chevy 3-speed manual transmission with a turbo 400 automatic?
Yes but do to the 400 Turbo Trans being much longer you will need a shorter drive shaft
1980 Chevy turbo 350 transmission will not go in gear?
pour some transmission fluid in the dipstick hole 2 litres will do it. you may have a leak, any evidense of red fliud at the vacuum pipe that connects the modulator valve to inlet maifold, at manifold end, if so change modulator (externally mounted on tranny)
Where is modulator valve on 1986 turbo 350 trans?
on thepass side of the transmission pan.it has a hose connected to it.
