Power Booster Specifications; Power Booster Functional Check - Daewoo Nubira Owner's Manual

CAUTION : Disconnect the negative battery cable before removing or installing any electrical unit or when a tool
or equipment could easily come in contact with exposed electrical terminals. Disconnecting thes cable will help
prevent personal injury and damage to the vehicle. The ignition must also be in LOCK unless otherwise noted.
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . .
FASTENER TIGHTENING SPECIFICATIONS
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

POWER BOOSTER FUNCTIONAL CHECK

MAINTENANCE AND REPAIR
Booster–to–Dash Panel Nuts (Right–Hand Drive)
Booster Pushrod Hex Nut
Brake Line Fittings
DIAGNOSIS
POWER BOOSTER FUNCTIONAL
CHECK
1. With the engine stopped, eliminate vacuum in the
booster by pumping the brake pedal several times.
2. Push the pedal down and hold in this position.
SECTION : 4C
POWER BOOSTER
TABLE OF CONTENTS
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SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Application
4C–1 ON–VEHICLE SERVICE
VACUUM HOSE
4C–1
POWER BOOSTER ASSEMBLY
4C–1
GENERAL DESCRIPTION AND SYSTEM
4C–1
OPERATION
4C–2 POWER BOOSTER
NSm
22
18
16
3. Start the engine.
4. The booster is OK if the pedal drops further be-
cause of extra force produced.
If the brake pedal does not drop, the vacuum system (vac-
uum hoses, check valve, etc.) is probably defective and
should be checked.
If no defect is revealed by checking the vacuum system,
the defect is in the booster itself.
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Lb–Ft
16
13
12
4C–2
4C–2
4C–3
4C–7
4C–7
Lb–In
–
–
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