NISSAN 2015 GT R - Owner's Manual - Manual (Page 33)

GTR-26 GT-R Overview
BRAKE SYSTEM INFORMATION
Cracks on brake pad
The friction material of the GT-R disc brake pad
is bonded to the pad backing plate more
strongly than conventional brake pads to with-
stand the high brake temperatures. The friction
material and backing plate expand due to heat at
different rates. Some cracks may be on the
surface of the friction material due to the
differences in expansion rates and the strong
bond between the friction material and backing
plate. The cracks do not indicate the brake pads
need to be replaced. However, depending on
the condition of the cracks, the pads may need
to be replaced. Contact a GT-R certified
NISSAN dealer.
Cracks on the disc rotors
When the brake is repeatedly applied at high
loads during the cold season, small cracks of
approximately 0.12 in (3 mm) long may appear
around the cross drilled holes
*
A . This is due to
the temperature differential that occurs because
the surfaces of the disc rotors become hot while
the inside of the rotor is still cold. However, this
poses no problem in terms of brake perfor-
mance, and does not indicate a malfunction. The
brakes do not need to be replaced.
However, if the cracks extend to 0.16 in (4 mm)
or longer after repeated application of the
brakes at high loads during high performance
driving, or through the continued use of the
brakes, the disc rotors must be replaced.
Brake dust
This vehicle is equipped with high performance
brakes, and the characteristics of the brake pad
material may cause more brake dust than other
vehicles. NISSAN recommends a wheel coating
that helps prevent the brake dust from sticking
to the wheels. Contact a GT-R certified NISSAN
dealer for more details.
CHANGE OF SURFACE COLOR OF
TITANIUM MUFFLER (if so
equipped)
Genuine titanium mufflers are made of titanium
alloy. The surface color will change depending
on the driving conditions, which is not unusual.
Prior to shipping from factory, all vehicles
receive balance aligning for engine, transmis-
sion, and clutch, as well as quench driving of
brake pads and rotors. As a result, the muffler
surface color may differ depending on the
vehicle.