[W126 Coupe] Replacing front rotors per ALLDATA

[Jonathan Hodgman]

Tight...  I usually put a good 50-60lb+ pull along w/ a touch of lock
tight.  Have yet to have a set come off :-P

Jonathan
 


On Sat, 08 Jan 2005 08:59:22 +1300, Matt Petersen
<mattpetersen@paradise.net.nz> wrote:
> Cheers - anyone know what the caliper bolt torque settings are?
> 
> Cheers
> Matt.
> 
> -----Original Message-----
> From: mbcoupes-admin@mbcoupes.com [mailto:mbcoupes-admin@mbcoupes.com]
> On Behalf Of myhog@surfeu.de
> Sent: Saturday, 8 January 2005 12:04 a.m.
> To: mbcoupes@mbcoupes.com
> Subject: [W126 Coupe] Replacing front rotors per ALLDATA
> 
> Here is what Alldata says:
> 
> WHeel Bearing adjustment:
> -Remove front wheels
> -secure disc to hub assembly
> -force pads away from brake disc
> -remove bearing hub cap
> -remove radio interference suppression contact spring
> -loosen internal bolt of clamping nut, tighten clamping nut while
> simultaneouly turning the hub until hub can only just be turned. -loosen
> clamping nut approximately 1/3 turn and relieve tension by striking stub
> axel with a plastic mallet. -check endplay with suitable dial indicator
> by pulling and pushing on the flange.  Turn wheel several times before
> each measurement.  Endplay obtained should be .00039 - .00078 inch
> (.01-.02 mm) -tighten internal bolt of clamping nut -pump brakes several
> times before test driving vehicle
> 
> Rotor/disc replacement:
> -remove hex-head bolts from caliper and remove caliper, support by means
> of suitable hook -if equipped with "Starting torque compensation" remove
> bolts from brake hose holder, then support caliper as above -remove disk
> from axle flange -remove any rust or burrs from contact surfaces between
> disk and axle flange. -Coat fitted seat of flange with "Molykote Paste
> U" or equivalent -If rotor is new remove corrosion protection from rotor
> with cleaning solvent "Brake cleaing spray" -mount rotor to hub ensuring
> that fitted pin correctly enters brake disk -install caliper using NEW
> self-locking bolt  ((I use a wee bit of Locktite)) -Torque bolts to 90
> Nm (66-67 Ft Lbs) -pump brakes several times before test driving vehicle
> 
> Hope that helps..
> 
> Kevin
> '91 500 SEC in Germany
> God these are fun on the Autobahn ;-)
> 
> The MB Coupes Website!
> W126 SEC Mailing List
> Postings remain property of MB Coupes, L.L.C.
> 
> The MB Coupes Website!
> W126 SEC Mailing List
> Postings remain property of MB Coupes, L.L.C.
> 


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