The brake booster is not US made. After I had installed it the first time, I could not get the brake light switch on and realized that the eye inside that car was substantially wider at the back than the old unit. I then had to uninstall the brake booster and the master brake cylinder, get the grinder and the micrometer out to get its proportions closer to those of the old unit. I also noticed that the eye inside the car was a tight fit for the plastic piece that goes inside it. At the time I didn't realize what that meant and installed the brake booster and master cylinder again. Now I could get the brake light switch on, but I could not get the brake lights to work. I tried bending the tab of the switch only to find the brake lights on all the time or not at all. It turned out that there is supposed to be enough give that the switch will be moved and activated. Not wanting to uninstall the booster and master cylinder one more time, I took the plastic spacer out and now it all works. I will keep the plastic spacer in a safe place and reinstall it, when this brake booster dies. When I had the brake booster out, I should have enlarged the eye of the new unit to be the same as the old unit.
I should have been patient and had the old unit rebuilt.
WCCC Response:
Martin, We really appreciate your feedback and we're sorry your part did not fit perfectly. We had several of both the 69 and 70 on the shelf and after receiving your message we opened each one and found them to be the correct size. Not sure what went south with your unit but we will continue to monitor stock as it comes in.