![]() Next the cam ring (part #13318) on the bottom of the steering wheel needs to be inspected and replaced if wear is detected. You might also consider adding a light coating of grease during assembly to the shaft where the turn signal arm is mounted. A small screw driver and a little patience will get it to snap in place. The tricky part will be reinstalling the conical spring. To reinstall the plate assembly simply reverse this process to get it back in position. Simply release the retaining spring, position the new pawl and reset the spring. With the plate removed the pawl is accessible and can be replaced easily. Now the plate assembly (part #13304) can be removed from the steering column. Once the conical spring is removed, remove the run signal handle (part #13305) by turning it counterclockwise. It is easily removed with a small screwdriver or pick by pulling it up and off the top of the pin. To replace the pawl first you need to remove the conical spring (part #13343) which is held in place by the groove in the turn signal switch center pin (part #13341). These parts are available from the Thunderbird suppliers at a reasonable price. Both parts may be worn and in need of replacement. ![]() Problem #1 (see picture #1) When the turn signals fail to cancel after a turn it is due to either a worn pawl (part #13309) or a worn cam ring (part #13318) on the bottom of the steering wheel (picture 2). The repair for each of these problems is different, so we need to look at them one at a time. See details for this in your Thunderbird Shop Manual. It requires a steering wheel puller to remove the steering wheel. Once the steering wheel is off you will have access to the turn signal mechanism and will be able to correct the problem. Getting to the mechanism involves removing the steering wheel. The fix for each of these problems is fairly simple and something that most members can do for themselves. When the turn signal fails to return to the center position your brake lights stop working on one side – the side where the turn signal was last positioned. The three most common problems are (1) the turn signals will not off after you complete your turn, (2) the turn signals will not stay engaged and turn off before you make your turn, and (3) the turn signal turns off after the turn but does not return to its center position. It seems like every time we have a Tech Session there is someone with a turn signal problem.
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