Rear brake caliper question

[Gary Knox]

I am going to refresh all the brake calipers on my '74, and have started. I knew the right rear pads were 'hanging' a bit, but when removed, I found the pistons were essentially frozen. So, I bought rebuilt calipers for both rear wheels. The rebuilt ones are obviously for non-ventilated rotors. My rotors are ventilated, and the calipers I removed have spacers between the two halves. I will remove those and install them on the rebuilt calipers.

My question is: Are there any 'tricks' to separating the old calipers to get the spacers out, and any special techniques for installing them in the rebuilt calipers once I've separated them. I appreciate the counsel from the wise and experienced members on this forum.

Thanks for any help or suggestions.

 

[HB Chris]

These need seals which have been discussed here, might be available from W & N.

 

[eriknetherlands]

search for

A thread by PMB performance. Describes in detail what to do, and what not to.
I ordered the seals from W&N. They are like little o-rings.

Erik.

 

[m_thompson]

I had the same experience earlier this year with the wrong rebuilt calipers. I ended up painting and up rebuilding the original calipers.

Several people commented in other threads that the caliper bolts are one-time use.

 

[Peter Coomaraswamy]

Gary, let me know if you need the o-rings, I have some new ones I can drop in the mail.

Peter

 

[Gary Knox]

Peter,

PM sent. THANKS

 

[Honolulu]

Gary:

EPDM square section caliper o-rings are available at http://www.pmbperformance.com/diy-caliper-parts--acces.html You need not go to Germany for these. PMB may also have the bolts.

You should get, and read, the PMB multi-part article about rebuilding calipers, there is a LOT there that the would-be caliper rebuilder should know. It's a must, even if you don't follow their suggestions to the letter.

Here it is: http://www.e9coupe.com/forum/showthread.php?t=17483&highlight=brake+rebuild

 

[Gary Knox]

Erik and Charlie,

THANKS for the info regarding the PMB post. Wow - that is a great 'how to' for this task. Gotta get one more set of tools!!! That always makes a project a good one!! - ha.