tl33

Guys need some help with next steps. Just tightened both rear parking brakes by tightening the pads all the way and backing off 5 clicks. Then adjusted the cable and tightened it to two clicks and it feels solid.

Everything adjusted properly and brakes top out around 4 clicks, however it's not holding the car on a hill. I still have to drop it into gear and use the gears to prevent it from rolling.

What are my next options? Since the adjustment didn't work?

bcameron59

The final adjustment step is to pull up the lever 2 clicks and adjust the nut on the cable turnbuckle until you can just barely turn the rear wheels by hand, did you check that? If you can't adjust it correctly with the turnbuckle you may need to re-do the tightening screw adjustment per the shop manual.

Also, have you pulled the rear discs off to check how much lining is left on the ebrake shoes? New they are 4.5mm, should replace them at 2mm. Doesn't hurt to clean up the mechanism and adjusting screw to get rid of rust and dust while you're in there.

Endoman

Tip from local indie to bed rear shoes in;- gently apply handbrake at about 20mph ( not on freeway or in traffic). Dust and rust accumulate on friction surface of disc and as parking brake is normally only used when stationary those surfaces loose their effectiveness.
Strangely my 944 parking brake has always worked better than the 993 and the mechanism is almost identical.

Rick-A-Shay

…….and I thought I was the only one with this issue. Really have to yank hard on the e brake to hold the car but still but it in gear.

tl33

Haven't pulled the rear disks off yet. I'll give that a try. Have no idea how to redo the tightening screw so I hope it doesn't come to that.

Thanks

User 122821

I recent rebuild the park brake system. The old drum brake pads were glazed probably due to miss adjustment some time in its life. With new pads and cleaned parts, the car holds even on my steep hill with the factory settings. Pads were dirty cheap since every 911 uses the same pads.

Quadcammer

The parking brake arrangement is a bit confusing when looking at it for the first time, but its pretty intuitive after you spend a few minutes with it.

pp000830

On my 86' and 96',the last click to positivly lock the parking brake on an incline has always required considerable hand pulling force before or after shoe & cable adjustment.

nine9six

Prior to pulling things apart, I would try as post #3 suggests. If that doesn't change the effectivness of the ebrake, then pull the rotors, sand the drum surfaces clean and install new drum brake pads.

Of course, more force on the ebrake handle is not the solution. ; )

race911

Raise your hand if (at least) one of your weekly jobs coming in was doing front drum brakes on some POS. And then a 356, with twin wheel cylinders are a whole 'nother dimension.

But as a 911 parking brake is, when you actually need to get in there to do something, consider the 914 setup.