VW MKII A2 MK2 Golf Jetta Fox Service Manual - VAGLinks.com

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4C•2 Fuel and exhaust systems - K-Jetronic fuel injection - 16 valve engines 1 General information The components of the K-Jetronic fuel injection system fitted to the 1.8 litre 16V engine are as shown (see illustrations). All procedures are the same as described in Part B of this Chapter except for those given in the following Sections. 1 Union bolt 2 O-rings 3 Bolt 4 Union bolt 5 Union bolt 6 Fuel metering distributor 7 Adjusting shim 8 O-rings 9 Pressure regulator and relief valve 10 Fuel supply and return 11 Spring 12 Control plunger 13 Plug 14 Mixture (CO content) adjustment screw 15 Airflow 16 Union nut 17 Injector 18 O-rings 19 Injector insert 20 Gasket 21 Cold start valve 22 Temperature sender 23 Thermotime switch 24 Connector (blue) 25 Connector (brown) 26 Vacuum connection 27 Warm-up valve 28 Connector (grey) 2 Idle speed - adjustment 4 1 Run the engine to normal operating temperature, then check that all electrical components are switched off. Note that the electric cooling fan must not be running during the adjustment procedure. 2 Disconnect the crankcase ventilation hose (see illustration). 3 Connect a tachometer and an exhaust gas analyser to the engine. 4 If the injector pipes have been removed and 1081 VW Golf & Jetta refitted just prior to adjustment, run the engine to 3000 rpm several times then allow it to idle for at least two minutes. 5 Check that when the ignition is switched on, the idling stabilisation control valve is heard to buzz. If not, check the system with reference to Section 3. 6 Disconnect the wiring plug for the idle stabilisation system. This is located near the ignition coil (see illustration). 7 Allow the engine to idle, then check that the idle speed is 1000 ± 50 rpm. If necessary, remove the cap and turn the idle speed adjustment screw as required (see illustration). 1.0a K-Jetronic fuel injection system components – 16v engine
1 To ignition control unit 2 Intake elbow 3 Screw 4 Gaskets 5 Throttle valve housing 6 O-ring 7 Idle speed adjustment screw 8 Throttle valve switch 9 Connector 2.2 Disconnecting crankcase ventilation hose Fuel and exhaust systems - K-Jetronic fuel injection - 16 valve engines 4C•3 1.0b K-Jetronic system inlet manifold and associated components – 16v engine 10 Upper section of inlet manifold 11 To multi-function indicator 12 To brake servo unit 13 Diaphragm pressure valve 14 Screw 15 Plug 16 Mixture (CO) adjustment screw 2.6 Idle stabilisation wiring plug (1) 1081 VW Golf & Jetta 17 Airflow meter 18 Overrun cut-off valve 19 Lower section of inlet manifold 20 Idle stabilisation control valve 21 Elbow 22 To warm-up valve 23 Cold start valve 24 To crankcase breather 25 Upper air cleaner 26 Air cleaner element 27 Temperature control flap 28 Lower air cleaner 29 Warm air hose 30 Washer 31 Retaining ring 32 Nut 2.7 Idle speed (A) and mixture (B) screws 4C
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Chapter 1 Routine maintenance and s
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CO content (%) 1.05 litre carburett
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The maintenance intervals in this M
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Maintenance - component location 1
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Maintenance - component location 1
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6 Fluid leakage and engine electric
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9 The engine will turn over more ea
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13 Wipe clean the distributor cap a
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18.13 Using a chain wrench to unscr
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25.3a Bend each brake hose to check
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32.4b . . . loosen front mounting n
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Chapter 2 Part A: Engine repair pro
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1.3 litre: Inlet opens . . . . . .
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difficulty is experienced, it may b
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9 Cylinder head - removal 3 1 If th
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11 Cylinder head - dismantling and
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14.13a Withdrawing crankshaft rear
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21 Crankshaft and bearings - examin
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29.2 Fitting centre main bearing sh
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35.9 Camshaft sprocket (later type)
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Chapter 2 Part B: Engine repair pro
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4.5 Two lengths of metal used to lo
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9 Oil pump - refitting 3 Refitting
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guide the cylinder head into positi
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Chapter 2 Part C: Engine repair pro
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Stem diameter: Inlet . . . . . . .
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1 General information The 1.6 and 1
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26 The engine/gearbox unit is now r
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9.6 Intermediate sprocket timing ma
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and tappet is required. Label the c
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13.1 Sump, oil pump and oil filter
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17 Oil filter - renewal Refer to Ch
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30.3a Fitting flanged type centre m
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etween the camshaft and intermediat
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Chapter 2 Part D: Engine repair pro
Page 71 and 72: 1 General information The 1.8 litre
Page 73 and 74: Chapter 3 Cooling, heating and air
Page 75 and 76: 1 Radiator 2 Fan ring 3 Expansion t
Page 77 and 78: 2.2 Removing expansion tank cap 2.4
Page 79 and 80: Refitting 8 Refitting is a reversal
Page 81 and 82: 8.3a Pulling free heater/ventilatio
Page 83 and 84: 11 Air conditioning system compress
Page 85 and 86: Chapter 4 Part A: Fuel and exhaust
Page 87 and 88: Carburettor-1.6 litre Pierburg/Sole
Page 89 and 90: 3.6 Air cleaner components - 1.6 an
Page 91 and 92: 6.1 Fuel reservoir location - 1.3 l
Page 93 and 94: etaining clip and then disconnect t
Page 95 and 96: Fuel and exhaust systems - carburet
Page 99 and 100: 15.10 Idle speed (A) and mixture (B
Page 101 and 102: 15.53 Checking choke valve gap (wid
Page 103 and 104: 17.10 Accelerator pump check prepar
Page 105 and 106: 18.3a Unscrew the bolts . . . 18.3b
Page 109 and 110: Chapter 4 Part B: Fuel and exhaust
Page 111 and 112: Fuel supply The fuel pump operates
Page 113 and 114: 4 Switch off all electrical consume
Page 115 and 116: 12.5 Cold acceleration enrichment s
Page 117 and 118: 17 Pressure relief valve - removal,
Page 119 and 120: Fuel and exhaust systems - K-Jetron
Page 121: Chapter 4 Part C: Fuel and exhaust
Page 125 and 126: 6.3 Throttle valve switch adjustmen
Page 127 and 128: Chapter 4 Part D: Fuel and exhaust
Page 129 and 130: 1.0b Mono-Jetronic system inlet man
Page 131 and 132: distance of 4.0 mm by the operating
Page 133 and 134: Chapter 4 Part E: Fuel and exhaust
Page 135 and 136: 3.4 CO analyser and connecting pipe
Page 137 and 138: feed line attachment to the gravity
Page 139 and 140: Chapter 4 Part F: Fuel and exhaust
Page 141 and 142: A Front crankcase ventilation valve
Page 143 and 144: 12.1 Fuel pump and filter component
Page 145 and 146: Chapter 5 Part A: Ignition system -
Page 147 and 148: 1.1b Contact breaker ignition syste
Page 149 and 150: 7.4 Crankshaft pulley mark (A) timi
Page 151 and 152: Chapter 5 Part B: Ignition system -
Page 153 and 154: Ignition system - transistorised ty
Page 155 and 156: 6.4a TDC blanking plug - manual gea
Page 157 and 158: 7.5 Vacuum unit removal 7.7 Hall se
Page 159 and 160: Chapter 5 Part C: Ignition system -
Page 161 and 162: 6.2 Signal check method from Hall s
Page 163 and 164: Chapter 5 Part D: Starting and char
Page 165 and 166: 4.3 Battery retaining clamp and bol
Page 167 and 168: Chapter 9 Braking system Contents B
Page 169 and 170: 3 Use an Allen key and unscrew the
Page 171 and 172: 3.18 Rear brake caliper components
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4.15 . . . followed by the outer wa
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13 Refit the hydraulic pipe and tig
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19 This method is particularly effe
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Chapter 10 Suspension and steering
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1081 VW Golf & Jetta 1.1 Front susp
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3.2 Front suspension camber adjustm
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8.4 Removing rear suspension strut
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11.3b Removing steering wheel centr
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14.4 Steering tie-rod bellows and r
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1081 VW Golf & Jetta Suspension and
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Removal 2 To remove the pump unit,
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Chapter 11 Bodywork and fittings Co
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Repair of rust holes or gashes in b
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hand. A largish screwdriver will ju
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14 Door trim panel - removal and re
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15.3 Removing interior door handle
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22.4 Front bumper bracket securing
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6 Renew any retaining screw locatio
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28.9 Sunroof adjustment dimensions
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31.8 Front seat guide fixing - from
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Chapter 12 Body electrical systems
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k) Never use an ohmmeter of the typ
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6 Headlamp range control - removal
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4 If the indicators do not function
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17.2a Instrument panel unit compone
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Component testing Voltage stabilise
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3 Ease the wiper arm from the spind
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29 Windscreen wiper linkage - remov
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1081 VW Golf & Jetta Wiring diagram
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1081 VW Golf & Jetta Wiring diagram
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Relays (typical) 1 Vacant 2 Intake
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1081 VW Golf & Jetta Diagram 3 Ligh
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1081 VW Golf & Jetta Diagram 7 Brak
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1081 VW Golf & Jetta 12 Diagram 12
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1081 VW Golf & Jetta Diagram 20 Ele
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1081 VW Golf & Jetta Diagram 57 Glo
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VW MKII A2 MK2 Golf Jetta Fox Service Manual - VAGLinks.com

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