How to get TPS open to clean
03-13-2013, 01:30 PM
#1
Cruisin'
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How to get TPS open to clean
In the process of doing a throttle body reseal, I confirm the the throttle shaft seals are shot. This makes me suspect there may be some blowby oil in the TPS housing. Is there a way to safely open this up.
Also, any tips on reinstalling the TPS to throttle body.
Thanks
quickster
87 951
Also, any tips on reinstalling the TPS to throttle body.
Thanks
quickster
87 951
Last edited by quickster; 03-13-2013 at 03:07 PM.
03-13-2013, 05:36 PM
#2
Three Wheelin'
A small screwdriver and careful prying. Reinstall is just pushing it back on the shaft and screwing it back on. Once the TB is all back together you'll need to re-adjust the TPS so that it clicks just a hair before the TB blade fully closes.
From Clark's Garage:
On turbocharged cars, the throttle body does not have to be removed from the car. However, the bottom mounting screw for the TPS is extremely difficult to remove and install. So, I always replace the Phillips head screws the 4 mm Allen head bolts. They are much easier to remove and install than the Phillips screws - especially if you have a long ball head Allen tool.
1) Remove the two Phillips head screws that attach the TPS to the throttle body.
2) Install the new TPS and insert the mounting screws. Do not tighten the screws until the adjustment is complete.
3) Hold the throttle in the closed position and turn the TPS until the internal stop is felt and tighten the mounting screws.
4) Check the adjustment by turning the throttle toward the open position. An audible click should be hear as soon as the throttle starts to open. Slowly close the throttle until it is fully closed. Do not force the throttle closed. Allow it to close under spring pressure only. Just prior to going fully closed, an audible click should again be heard. If the click is not heard, readjust the switch.
From Clark's Garage:
On turbocharged cars, the throttle body does not have to be removed from the car. However, the bottom mounting screw for the TPS is extremely difficult to remove and install. So, I always replace the Phillips head screws the 4 mm Allen head bolts. They are much easier to remove and install than the Phillips screws - especially if you have a long ball head Allen tool.
1) Remove the two Phillips head screws that attach the TPS to the throttle body.
2) Install the new TPS and insert the mounting screws. Do not tighten the screws until the adjustment is complete.
3) Hold the throttle in the closed position and turn the TPS until the internal stop is felt and tighten the mounting screws.
4) Check the adjustment by turning the throttle toward the open position. An audible click should be hear as soon as the throttle starts to open. Slowly close the throttle until it is fully closed. Do not force the throttle closed. Allow it to close under spring pressure only. Just prior to going fully closed, an audible click should again be heard. If the click is not heard, readjust the switch.
03-13-2013, 10:14 PM
#3
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