 914/4 rear 5-bolt problem, can't get calipers on! |
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| JmuRiz |
 Mar 6 2003, 11:27 AM
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#1
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914 Guru  Group: Members Posts: 5,421 Joined: 30-December 02 From: NoVA Member No.: 50 Region Association: MidAtlantic Region 
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I have a 914 5-bolt kit that's being installed and the rear caliper will not fit on the 914/6 disk that I was given. Any ideas on what to do. I'd rather not have to machine down a brand new 914/6 rear disk.
Has anyone else had this issue? If so how did you fix it, thanks! Nathan |
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| Bleyseng |
Mar 6 2003, 12:25 PM
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Aircooled Baby! Group: Members Posts: 13,034 Joined: 27-December 02 From: Seattle, Washington (for now) Member No.: 24 Region Association: Pacific Northwest |
Yes, the 4 calipers don't have the same clearance as the 6 ones as the 6 disc is a tad larger. So grind out the 4 calipers alittle bit so it fits.
Geoff (IMG:style_emoticons/default/aktion035.gif) |
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| Dave_Darling |
Mar 6 2003, 12:27 PM
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#3
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914 Idiot Group: Members Posts: 14,980 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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Geoff, he says (on the Pelican board) that his problem is not the diameter of the rotor (known problem in some cases), but with the thickness!
I'll say it again--you either have vented 911 rear rotors, not solid 914-6 rear rotors, or you haven't pulled the caliper pistons in far enough. --DD |
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| J P Stein |
Mar 6 2003, 03:04 PM
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#5
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Irrelevant old fart Group: Members Posts: 8,797 Joined: 30-December 02 From: Vancouver, WA Member No.: 45 Region Association: None |
I had 914/6 rotors with 914/4 calipers on my car at one time.
The -6 rotors are slighly tihicker....bout .020, IIRC. Back off the venting clearance screw, push back the pistons and they should go right on. Mine did. Setting the venting clearance is a PITA. When/if you get to that point, lemmeno and I'll tell ya what I did. |
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| Jeffs9146 |
Mar 6 2003, 03:42 PM
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#6
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Ski Bum Group: Members Posts: 4,062 Joined: 10-January 03 From: Discovery Bay, Ca Member No.: 128 |
See section 6 of the workshop manual pages 3.2-2/2 and 3.2-3/1
I dont know if you will be able to read this one: |
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| joea9146 |
Mar 6 2003, 08:41 PM
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#7
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Senior Member Group: Members Posts: 663 Joined: 10-February 03 From: Denver, NC Member No.: 283 Region Association: None |
On my rear conversion I had a problem with the outer diamater of the rotor had to have it made smaller so the caliper would fit. This was on a 1975.... (IMG:style_emoticons/default/smash.gif)
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