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The Chevrolet S 10 pickup truck idler arm can be removed by removing the idler arm retaining bolts. The idler arm has two retaining bolts. Reverse the process to install the new idler arm.
only if the idler arm will not hold the tension on the belt and the pulley needs replaced when the are warn sharp or warn flat
The idler arm shaft, which goes into the bracket should be torqued to 58 ft/lb. The 3 bolts on the bracket to 105 ft/lb. The idler arm to relay rod 40 ft/lb
Remove the nut holding the idler arm to the center link. Separate the joint with a "pickle fork". Remove the two bolts and nuts from the frame end of the idler arm. Remove idler arm.
How much torque do I use to tighten the idler arm
Wasn't aware a Merc 190 had an idler arm. However, clunky steering and wander. Observation of the idler arm will show excessive lateral movement
No, there is a pitman arm on the steering box and two idler arms on the linkage.
Center link
The intermediate steering shaft is sloppy. You can fix it with lube (requires installing a zerk) or replacing it with the upgraded version now available from GM.
Changing an Idler Arm on a '99 Saturn is MIGHTY difficult, especially since they don't have one. The '99 Saturn uses a Rack and Pinion steering system, and as such does not have an idler arm.
Take a 12mm socket and try to fit it over one of the mounting bolts (the threaded part sticking out past the nut), if it fits you have 12mm idler arm, if not you have 14 mm idler arm
The hardest part of changing an idler arm is getting the linkage separated. To do that you will need a ball joint fork and a big hammer. The end of the idler arm has a tapered shaft that is difficult to pull out. Remove the cotter pin, remove the nut, then start pounding the ball joint fork into the area between the idler arm and the tie rod with your big hammer. The tapered shaft is usually so tight that it takes quite a bit of effort to pull it all loose, but it will eventually come out. After you have pounded quite a while the thing will eventually come out, THEN disconnect the rest of the idler arm from he frame of the vehicle. It can be one of the more frustrating jobs related to working on automobiles. This particular vehicle has TWO idler arms, and they usually go bad at the same time. You will probably want to get the alignment checked after replacing the idlers.