Even after repairing the main vacuum line in my HVAC controls I still had the problem that under prolonged acceleration, the vents would loose vacuum and switch to the Defrost setting. This problem is often caused when someone deletes the vacuum bottle behind the front bumper. However, my bottle is still in place behind the stock bumper.
I studied the vacuum diagram and saw there is a check valve where the source connects to the intake manifold. I tested mine by blowing through it. I could easily blow both ways so the check valve is bad.
I have been looking for an adventure to test out my rebuilt White Jeep. I have passed through Franklin State forest many times and been curious about the dirt roads on either side of Highway 156. So today I decide to go exploring.
I started at the park headquarters on Highway 156. There was a map posted in the kiosk but none available to take with me. So I downloaded the PDF to my phone.
My dad bought this 2010 Mazda 3 new. It had tire noise from day one. The rear tires would develop cupping in just a few thousand miles. He had to rotate them often but that just helped mask the problem and never solved it. He went through several sets of tires of various quality brands and all had the cupping issue on the rear.
Rebuilding parking brake assembly on 2009 Ford F250
When I bought my F250 the parking brake did not hold. Since this is an automatic, it is no normally a problem. However, when trying to hook up a trailer the little bit of roll from placing the truck in park can be enough to let the hitch move out of alignment.
I assumed the brake just needed adjustment. When I could not find the adjuster, I decided
to pull the drum off and see what was going on. What I found shocked me. There were no parking brake shoes, springs or
anything! It looks like the backing
plate rusted out and someone just removed all the parts rather than make the