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flyguy · Joined: 31 Oct 2008 Posts: 75 Location: Hamilton, Ont

Searched on here for my answer, but only answe rI found was for a 1980 NA 924.

How do you adjust the rear brake shoes on a 1977 NA 924?

JUst had new MC put in and system bled. Brakes now work worse than before (foot to floor, still only giving %60 braking power AND E-brake now doesn't seem to hold)

Seems like the rear brakes need to be tightened but haven't found anything on it yet, any help would be appreciated!

Ozzie · Posted: Tue Feb 24, 2009 4:44 pm Post subject:

There is two star adjusters in the bottom of the backing plate.
Probably find a rubber plug covering the access hole.

I find the easiest method is to have the rear end up on stands, out of gear with handbrake off. Adjust each star evenly until the wheel starts to bind then back off a little.
_________________
Porsche 924 1984 (UK import) NA
Its AUTO and its BLACK
Montego Black on black/red
Engineer of Electro/Mechanical Systems Maintenance

flyguy · Joined: 31 Oct 2008 Posts: 75 Location: Hamilton, Ont

Can you elaborate on this procedure abit more in detail, if you can?

From the way it wounds, i just take the wheel off, and using the inspection holes move the shoes closer in, no?

!tom · Posted: Wed Feb 25, 2009 5:14 am Post subject:

It's been answered in your other thread on this topic.
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78 924 NA
5-lug

datatrain · Posted: Wed Feb 25, 2009 5:46 am Post subject:

I didn't see your other thread.

On the back of the brake plate are 2 slotted holes. You get to them from under the car. Leave the wheels on. Use a screwdriver to turn the star wheel you'll find in the hole. One way tightens the other loosens. There is one star for each shoe. Adjust them both as described above. Spin the wheel as you turn the star. Same for the other back wheel.

That's all.

DAve
_________________
'78 924 NA with Collector plate
33 year old car, with me for 21 yrs
Mint '92 318i BMW
Near mint '98 Buick LeSabre
VE7HFR

flyguy · Joined: 31 Oct 2008 Posts: 75 Location: Hamilton, Ont

Damn. The adjusters are ceased :S

Now gotta figure out what to do.
I still get better brake pressure after i pump it a few times, and its not air or water. The rear drums/shows SHOULD be replaced especially if ceased.

So here is my dilemma. Should I get new drum/shoes OR switch to the brake caliper and pad conversion?

Thoughts? Answers? Sales? References?

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

Perhaps you should pull the drum and inspect the adjusters before ceasing your inquiry. You can probably knock them loose, clean and lightly lube them, and get them back into service.
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Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

flyguy · Joined: 31 Oct 2008 Posts: 75 Location: Hamilton, Ont

My issue though is that if I can't, or if one of the parts becomes broken or unusable when I open them up i'd rather have everything already at hand, as this is my daily vehicle.

Also, since this is a long term restoration project, maybe replacing the rear brakes would be a better long term idea.

tuurbo · Posted: Wed Feb 25, 2009 7:48 am Post subject:

The drum shoes are pretty cheap. I use the 4 bolt drum/disc combination and it's fine for street driving. Cheap to maintain - I'd go with the 5 bolt conversion if you want to seriously upgrade the car to autocross or DE day performance requirements. Else, just use the stock setup.
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1980 924 turbo, MSD, Meth. Inj, otherwise stock.

Rich H · Posted: Wed Feb 25, 2009 7:58 am Post subject:

The mechanism is very simple.

The drums/shoes can be assessed through the outermost holes, you can see the thickness of the drum and shoe material there.

If it all looks OK then as a minimum get a fitting kit, they are always manky as hell. Shoes are cheap too. If the adjusters are stuck then put a bolt in and tighten it up. The adjuster will pop out - probably.

Or you can get the whole lot, backing plates, cylinders, shoes, fittings and new adjusters then it'll out live you
_________________
1994 Lotus Esprit S4 - Work in progress...
1980 Porsche 924 S2 DITC Turbo - Original spec
1978 Homo-Sapiens - Tired spec
1953 Landrover S1 - Pensioner Spec

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

And if you drive hard, the frequent adjustments will outlive your patience.
_________________
Toofah King Bad

WeiBe (1987 924S 2.5t) - 931 S3

Rich H · Posted: Wed Feb 25, 2009 8:07 am Post subject:

That is true...
_________________
1994 Lotus Esprit S4 - Work in progress...
1980 Porsche 924 S2 DITC Turbo - Original spec
1978 Homo-Sapiens - Tired spec
1953 Landrover S1 - Pensioner Spec

tuurbo · Posted: Wed Feb 25, 2009 8:27 am Post subject:

flyguy · Joined: 31 Oct 2008 Posts: 75 Location: Hamilton, Ont

datatrain · Posted: Wed Feb 25, 2009 2:02 pm Post subject: Bleed 'em

Sound as though you need to do a serious brake bleeding. Pumping can be indicative of air in the lines. You'll need someone on the pedal to pump. Open the bleed valve and let 'er go. Close and pump and do it again a couple more times. Be sure to top up the Master cylinder after a couple of times. I'd expect you'll see a big improvement.
I don't think it matters if you folllow the sequence. Just get the air out.
Oh, and be sure to use fresh brake fluid to top the master cylinder. Don't shake the can and keep it off the paint.

DAve
_________________
'78 924 NA with Collector plate
33 year old car, with me for 21 yrs
Mint '92 318i BMW
Near mint '98 Buick LeSabre
VE7HFR