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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mercedes-Benz M-Class (W163, 1997 issue)

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Mercedes-Benz W163
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Mercedes-Benz
W163
Introduction
Controls and receptions of safe operation
Current care and maintenance
Engine
System of cooling, heating and air conditioner
The power supply system and exhaust
Systems of an electric motor
Manual box of a gear change
The transmission automatically processed
Transmission Line
Brakes and auxiliary systems
General information and safety measures
Check the brake system for leaks
Check of serviceability of functioning of the vacuum brake booster
Check non-return valve
Removal and installation of the main brake cylinder
Removing and installing brake servo stroke sensor diaphragm BAS
Removing and installing hydromodulator ETS / ESP
Removing and installing hydraulic lines laid between GTZ and hydromodulator ETS / ESP
Assessment of the degree of wear and replacement brake pads
Replacement brake hoses
Removal and installation of a support
Removal and installation of a brake disk
Replacing the parking brake shoes
Bleeding brake system
Removal and installation of the pedal assembly and the gauge-switch of stoplights
Removing and installing brake pedal charging parking
Removal and installation of a rope assembly handbrake
Adjusting the parking brake
Removal and installation of wheel gauges ABS / ETS / ESP
Suspension and steering
Body
Onboard electric
 


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Brakes and auxiliary systems



Separate characteristics are resulted also in the text of the Head and in case of compulsion of their performance are highlighted in bold.


Common parameters

type of drive Hydraulic, dual circuit (with diagonal split) with vacuum booster. E protivozanosnaya system (ESP), Brake Assist (BAS) and anti-lock brakes (ABS)
Brakes Disk, ventilated, with fixed or floating caliper
Parking brake Foot-cable-operated brakes on rear wheels
Front brake
The thickness of the pad friction linings, mm

Models with floating caliper

Nominal value (in view of the new block of the substrate)
  • Inner shoe
18.5
  • Outdoor shoes
15.5
Limit values (including substrate - for MOT)
  • Inner shoe
12
  • Outdoor shoes
eleven
Triggering wear indicator about 2

Models with fixed caliper

Nominal value (in view of the new block of the substrate) 17.5
Limit values (including substrate - for MOT) eleven
Triggering wear indicator about 1.7
Brake Disc Thickness, mm

Models with floating caliper

Nominal value 25
The limit value 23
The maximum permissible value of the passage of TO 23.5

Models with fixed caliper

Nominal value 32
The limit value 29.4
The maximum permissible value of the passage of TO thirty
Rear brake
The thickness of the pad friction linings, mm

Models with floating caliper

Nominal value (in view of the new block of the substrate) 15.5
The limit value
  • In view of the substrate (for MOT)
eleven
  • Excluding substrate
5

Models with fixed caliper

Nominal value (in view of the new block of the substrate) 15.5
The limit value
  • In view of the substrate (for MOT)
eleven
  • Excluding substrate
2
Triggering wear indicator about 1.7
Brake Disc Thickness, mm
Models with floating caliper
Nominal value 15
The limit value 13
The maximum permissible value of the passage of TO 13.5
Models with fixed caliper
Nominal value 14
The limit value 12
The maximum permissible value of the passage of TO 12.5
Parking brake
Control force squeezing the brake pedal, H 170 + 70 / -50
The number of clicks of a ratchet with the squeezing of a pedal cocking handbrake
Pedal assembly with pull ratchet 1
Pedal assembly with Clutch release ratchet 5
Vacuum brake booster
The diameter of the vacuum booster, mm 279
Gain 5.6
The pressure in the brake lines (with a depth of vacuum 0.75 ÷ 0.8 bar), a bar
When the effort of squeezing the brake pedal:
  • 50 N
9 ÷ 20
  • 100 N
36 ÷ 48
  • 150 N
53 ÷ 68
  • 200 N
70 ÷ 85
  • 250 N
82 ÷ 96
Efforts of a tightening of carving connections, H ?� m
Wheel nuts 150
Cover tank GTZ 2
Gates pumping brake caliper 18
Nut Left Front Mount the power unit to the bracket on the engine 65
Nuts of fastening of the brake booster assembly on the engine compartment bulkhead 25
Choke nodes connect brake lines to the assembly GTZ 20
GTZ assembly mounting nuts to the brake servo unit 25
Flare brake lines connect the nodes to hydromodulator ASR / ETS 15
Nipple mounts flexible hose to brake tube 18
Choke nodes connected to the caliper brake hose 18
Hollow bolts choke connectors connect the brake hose to the caliper 33
Bolts brake pad contact sensors on fixed calipers 9
Self-locking bolts brake calipers Front brake to rotary fists 180
Self-locking bolts brake calipers Rear brake to the hub assemblies 115
Bolts Pedal parking brake to the front of the rack 12
Self-locking bolts of wheel sensors 8




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