vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Replace injectors (one valve or all valves) (Z 12 XE, Z 12 XEP, Z 14 XEP, with air conditioning, LHD) > < Replace throttle valve module (Z 10 XE, Z 10 XEP, without air conditioning, LHD)

Replace injectors (1 valve or all valves) (Z 10 XE, Z 10 XEP, without air conditioning, LHD)

Note:   In vehicles as of model year 04 with ESP - every time the battery is disconnected, the steering angle sensor loses its basic setting and must be recalibrated

  Remove

1.   Open bonnet
2.   Disconnect battery
•   Detach ground cable
3.   Remove suction pipe (4)
•   Unscrew 2 nuts
•   Detach engine venting hose from cylinder head cover (5)
•   On Z 10 XEP: Remove air intake hose
Release clamp
•   Disconnect 2 wiring harness plugs
Hot film mass air flow sensor (2), tank vent valve (1)
•   Remove hot film mass air flow meter (3)
Release 2x clamp
Object Number: 2410589  Size: DEFAULT


4.   Detach engine venting hose (1) from cylinder head cover
5.   Disconnect 4x engine management wiring harness plugs
•   Throttle valve module (2), injection valves (3)
•   On Z 10 XEP: Remove fuel rail cover
Unscrew 2 bolts
Object Number: 2410620  Size: DEFAULT


Important:   Observe safety precautions and national regulations
6.   Release fuel pressure with KM-J-34730-91
•   Unscrew test connection protective cap (2) from fuel rail (1)
Note:   Test connection for Z 10 XEP at upper fuel rail
Object Number: 2410591  Size: DEFAULT


7.   Detach fuel line (2) with KM-796-A
•   Unclip fuel line
•   Seal using KM-807
8.   Detach throttle valve module
Note:   Cooling system remains closed
•   Unscrew 4x bolt (1)
9.   Remove fuel distributor pipe (3)
•   Unscrew 2 bolts
Object Number: 2410621  Size: DEFAULT


Object Number: 2410517  Size: DEFAULT

10.   Remove 3x injectors
•   Detach 3x retaining clamps (2)
•   Replace 6x injector seal rings (1)

  Install

11.   Clean sealing surfaces
•   Intake manifold, throttle valve module
12.   Attach injectors
•   Insert injectors
•   Attach retaining clips
Note:   Note installation position. Groove in retaining clamp must engage with injector lug (arrow)
13.   Install fuel distributor pipe
•   Tighten 2 bolts 6 Nm
14.   Install throttle valve module
•   Replace gasket
•   Tighten 4x bolts 7 Nm
15.   Attach fuel line
•   Remove KM-807
•   Attach fuel line
Note:   Connection must audibly engage
•   Attach fuel line
Object Number: 2410372  Size: DEFAULT


16.   Connect 4x engine management wiring harness plugs
•   On Z 10 XEP: Fit fuel rail cover
Tighten 2 bolts
17.   Attach engine vent hose
•   Fasten clamp
18.   Install suction pipe
•   Install hot film mass air flow meter
Secure 2x clamp
•   Connect 2 wiring harness plugs
Hot film mass air flow meter, tank vent valve
•   On Z 10 XEP: Fit air intake hose
Tighten clamp 3.5 Nm
•   Attach engine vent hose
•   Tighten 2 nuts 8 Nm
19.   Connect battery
20.   Calibrate steering angle sensor
•   Turn on ignition
•   Rotate the steering wheel one time from its right-hand to its left-hand stop
21.   Program volatile memories
22.   Close bonnet

Replace injectors (one valve or all valves) (Z 12 XE, Z 12 XEP, Z 14 XEP, with air conditioning, LHD) > < Replace throttle valve module (Z 10 XE, Z 10 XEP, without air conditioning, LHD)