Chevrolet Silverado / GMC Sierra. Service manual — part 2367

7

components

Loose, bent, cracked, or damaged
caliper mounting bracket

3. Replace components as required. Refer to

the following procedures in Disc Brakes,
as required:

Front Brake Caliper Bracket
Replacement (JH6, JH7) Front
Brake Caliper Bracket
Replacement (JD9, JF3, JF7)

Rear Brake Caliper Bracket
Replacement (JH6, JH7) Rear
Brake Caliper Bracket
Replacement (JD9)

Front Disc Brake Hardware
Replacement (JH6, JH7) Front
Disc Brake Hardware
Replacement (JD9, JF3, JF7)

Rear Disc Brake Hardware
Replacement (JH6, JH7) Rear
Disc Brake Hardware
Replacement (JD9)

4. Replace the unevenly-worn, loose or

damaged disc brake pads as a complete
axle set. Refer to Front Disc Brake Pads
Replacement (JH6, JH7) or Front Disc
Brake Pads Replacement (JD9, JF3,
JF7) and/or Rear Disc Brake Pads
Replacement (JH6, JH7) or Rear Disc
Brake Pads Replacement (JD9) .

Did you complete the inspection and
replacement?

Go to Step 12

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1. Inspect the disc brake calipers, brake

hoses and brake pipes for evidence of an
external brake fluid leak.

2. Replace any components found to be

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

8

leaking brake fluid. Refer to the following
procedures as required:

Front Brake Caliper Overhaul
(JH6, JH7) or Front Brake
Caliper Replacement (JH6, JH7)
Front Brake Caliper
Replacement (JD9, JF3, JF7)

Rear Brake Caliper Overhaul
(JH6, JH7) or Rear Brake Caliper
Replacement (JH6, JH7) Rear
Brake Caliper Replacement (JD9)

Front Brake Hose Replacement
(JD9, JF3, JF7)Front Brake Hose
Replacement (JH6, JH7)

Rear Brake Hose Replacement
(Frame to Axle - JH6, JH7)Rear
Brake Hose Replacement (Frame
to Axle - JD9, JF3 w/JL4)Rear
Brake Hose Replacement (Caliper
- JH6, JH7)Rear Brake Hose
Replacement (Caliper - JD9)Rear
Brake Hose Replacement (Frame
to Axle - JF3 w/o JL4, JF7)

Brake Pipe Replacement

Did you find and correct the source of the leak
causing contamination of the pads?

Go to Step 11

Go to Step 9

1. Inspect the wheel drive shaft outer seals, if

equipped, for damage and evidence of a
grease leak.

2. Replace any wheel drive shaft seal that is

found to be leaking grease which may be
the source of the contamination to the
pads. Refer to Wheel Drive Shaft Outer
Joint and Boot Replacement , if
equipped.

3. Inspect the rear axle seals for damage and

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

9

evidence of a lubricant leak.

4. Replace any rear axle seal that is found to

be leaking lubricant which may be the
source of the contamination to the pads.
Refer to Rear Axle Shaft Seal and/or
Bearing Replacement (w/o VSES) or
Rear Axle Shaft Seal and/or Bearing
Replacement (w VSES) or Front
Wheel Hub, Bearing, and Seal
Replacement (2500) or Front Wheel
Hub, Bearing, and Seal Replacement
(1500) .

Did you find and correct the source of the leak
causing contamination of the pads?

Go to Step 11

Go to Step 10

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1. Inspect the automatic transmission cooling

system lines, if equipped, for damage and
evidence of an external fluid leak which
may be the source of the contamination to
the pads.

2. Inspect the power steering system hoses

for damage and evidence of an external
fluid leak which may be the source of the
contamination to the pads.

3. Replace any components found to be

leaking fluid which may be the source of
the contamination to the pads.

Did you find and correct the source of the leak
causing contamination of the pads?

Go to Step 11

-

1. Clean the remaining disc brake system

components to remove any traces of the
contaminant.

NOTE:

Support the brake caliper with heavy
mechanic wire, or equivalent, whenever it is
separated from its mount and the hydraulic
flexible brake hose is still connected. Failure

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

11

2. Remove the front and/or rear disc brake

calipers, as appropriate, from the
mounting brackets and support the
calipers. Refer to Front Brake Caliper
Replacement (JH6, JH7) or Front
Brake Caliper Replacement (JD9, JF3,
JF7) and/or Rear Brake Caliper
Replacement (JH6, JH7) or Rear
Brake Caliper Replacement (JD9) .

3. Inspect the disc brake caliper

mounting/sliding hardware for the
following conditions:

Refer to Front Disc Brake Mounting
and Hardware Inspection and/or Rear
Disc Brake Mounting and Hardware
Inspection .

Binding or seized hardware

Distorted, worn, damaged or missing
hardware components

4. Replace the caliper mounting/sliding

hardware components as required. Refer
to Front Disc Brake Hardware
Replacement (JH6, JH7) or Front Disc
Brake Hardware Replacement (JD9,
JF3, JF7) and/or Rear Disc Brake
Hardware Replacement (JH6, JH7) or
Rear Disc Brake Hardware
Replacement (JD9) .

to support the caliper in this manner will
cause the flexible brake hose to bear the
weight of the caliper, which may cause
damage to the brake hose and in turn may
cause a brake fluid leak.

IMPORTANT:

Do NOT disconnect the hydraulic brake flex
hoses from the calipers.

-

2008 Chevrolet Silverado 1500

2008 BRAKES Hydraulic Brakes - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado