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VY Brake Check

neville8689

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Hi Guys.
I recently did a wheel rotation on my '02 VY Commodore and had a look at the brake pads in the process. The pads I could see (on the outside of the caliper) had about 5mm of pad material left. I was wondering if any one would know approximately how long (approx km) these pads still have in them before replacement is necessary? All work fine at the moment, no squeeking or shudder. These pads have done about 80,000k's.
Thanks.
 

sp001in

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Normally stock pads on normal use will get you 150,000.

5. SPECIFICATIONS
BRAKE FLUID
Type ......................................................................... Super DOT 4 Plus
BRAKE BOOSTER
Make ......................................................................... PBR
Type ......................................................................... Tandem, Vacuum Suspended
MASTER CYLINDER
Make ......................................................................... PBR
Type ......................................................................... Tandem
Bore diameter (nominal)............................................. 25.4 mm
Crack point ................................................................. 3.1 MPa (stamped on master cylinder end plug)
FRONT DISC
Type ......................................................................... Ventilated
Diameter (nominal)..................................................... 296 + 0.0 - 0.2 mm
Thickness ................................................................ 28.0 ± 0.15 mm
Lateral Runout (maximum) ..................................... 0.04 mm Total Indicated Run-out (TIR)
Minimum disc thickness, requiring replacement ........ 25.0 mm
FRONT CALIPER
Make ......................................................................... PBR
Type ......................................................................... Twin piston, sliding caliper
Bore diameter (nominal)............................................. 42.0 mm (each)
Front Disc Pad
Material.................................................................... Organic, non-asbestos
Minimum Thickness before Replacement............... 2 mm
REAR DISC
Type ......................................................................... Solid
Diameter (nominal)..................................................... 286 + 0.0 - 0.2 mm
Thickness ................................................................... 15.9 mm ± 0.2 mm
Lateral Runout (maximum)
(Rate of change 0.03 mm in 30O rotation max.) ...... 0.05 mm
Minimum disc thickness, requiring replacement ........ 13.9 mm
REAR CALIPER
Make ......................................................................... PBR
Type ......................................................................... Single piston, sliding caliper
Bore diameter (nominal)............................................. 40.5 mm
Rear Disc Pad
Material.................................................................... Organic, non-asbestos
Minimum Thickness before Replacement............... 2 mm
DRUM PARK BRAKE
Make ......................................................................... PBR
Type ......................................................................... Banksia, single shoe, cable and lever operated
Drum
Inside Diameter (nominal)....................................... 190 mm
Maximum out of square (TIR with disc surface) ..... 0.05 mm
Maximum out of round ............................................ 0.08 mm
Linings
Type ........................................................................ Bonded
Width ....................................................................... 25 mm
Thickness ................................................................ 3.5 mm
Minimum Thickness before Replacement............... 1.5 mm
 

Burnout124

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It all depends on how you drive you could probably get betwen 5-10,000 km . You may want replace them soon anyway to save leaving it to late and damaging the rotor.
 

RiCeY

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5mm should last at least 10,000kms with normal driving.

Just keep an eye on them.
 

neilrich

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torque wrench settings

Hi guys,
some great brake info there. I will be replacing the brake pads on my 2003 vy Lumina wagon soon and i am looking for bolt torque settings (if there are any) for the calipers etc.
Does anyone know what these settings are.
Thanks
Neil
 

Chrisvyss

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30-34 nm for the guide pin
80-90nm plus 40deg-50deg turn front calipe frame bolts
70-80nm rear caliper frame bolts
 

neilrich

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Thanks Chrissvyss, much appreciated.
 
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