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914World.com _ 914World Garage _ Question on “A” 3.5 caliper rebuild

Posted by: brant Dec 8 2022, 06:07 PM

Any one know which way to orient the caliper piston on 911 A calipers?

My right and left sides are 90 degrees different from each other

I’m doing a maintenance rebuild and I assumed I could put the pistons back as before until I found the RF to be different than LF

Picture of the cut edge:

Attached thumbnail(s)

Posted by: Eric_Shea Dec 8 2022, 07:06 PM

The 20° Notch will face upward toward the bleeder on each one. I don’t have the graphic on my phone right now. I’ll load it when I get to a PC

Posted by: brant Dec 8 2022, 07:11 PM

QUOTE(Eric_Shea @ Dec 8 2022, 06:06 PM)

The 20° Notch will face upward toward the bleeder on each one. I don’t have the graphic on my phone right now. I’ll load it when I get to a PC

Thank you sir!

Not urgent

Hey.. maybe steamboat next September
Nice drive through dinosaur!

Posted by: Eric_Shea Dec 8 2022, 07:43 PM

QUOTE(brant @ Dec 8 2022, 06:11 PM)

QUOTE(Eric_Shea @ Dec 8 2022, 06:06 PM)

The 20° Notch will face upward toward the bleeder on each one. I don’t have the graphic on my phone right now. I’ll load it when I get to a PC

Thank you sir!

Not urgent

Hey.. maybe steamboat next September
Nice drive through dinosaur!

I’ll send you a pair tomorrow. 20mm vented rotors correct?

Steamboat sounds great.

Posted by: brant Dec 9 2022, 10:00 AM

Correct
20mm vented

Is it a PDF or template? I assume

Posted by: PatMc Dec 9 2022, 11:10 AM

Here you go

Attached image(s)

Posted by: Eric_Shea Dec 9 2022, 11:41 AM

QUOTE(brant @ Dec 9 2022, 09:00 AM)

Correct
20mm vented

Is it a PDF or template? I assume

Leave them. I have a set coming your way. Late RRC prize winner