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

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4B•12 Fuel and exhaust systems - K-Jetronic fuel injection - 8 valve engines 23.5 Vacuum hose-to-cylinder connector 10 Disconnect the cam cover-to-inlet manifold breather hose. 11 Undo and remove the inlet manifold retaining bolts then carefully lift the manifold, together with the throttle housing, away from the cylinder head. Disconnect any wiring or hose connections still attached as it is withdrawn. 12 The throttle housing can be unbolted from the manifold and then withdrawn from it. 1 Cap 2 CO measuring pipe 3 Exhaust manifold Refitting 13 Refitting is a reversal of the removal procedure. Check that all mating faces are clean and use new gaskets. Tighten the securing bolts to the specified torque settings. 14 When reconnecting the accelerator cable, ensure it is correctly adjusted. 15 Check that all connections are secure and correctly made before restarting the vehicle. 24 Exhaust manifold - removal and refitting 3 Note: Before starting to remove the manifold, refer to Part A of this Chapter, Section 20, paragraph 1, which concerns details on the special tool required to release and subsequently reconnect the exhaust manifoldto-downpipe securing clips. Unless this tool is available, the manifold is best removed and refitted by your VW dealer Remove the inlet manifold. Removal and refitting of the exhaust manifold is now similar to that procedure described in Part A of this Chapter. 25.3 Typical exhaust system with catalyst 4 Spring clips 5 Exhaust front pipe 6 Heat shield 7 Catalytic converter 1081 VW Golf & Jetta 25 Exhaust system - inspection, removal and refitting 3 Without catalytic converter 1 Refer to Section 20 in Part A of this Chapter whilst noting that all models manufactured after August 1985 are fitted with a manifold/ downpipe flange incorporating a gasket instead of spring clips. With catalytic converter 2 The catalytic converter (where fitted) is positioned at the forward end of the exhaust system and comprises a steel casing over a ceramic body. It incorporates a longitudinal multi-passage honeycomb unit, which is coated with a layer of platinum or rhodium. 3 Removal is simply a matter of releasing the flange or socket type couplings and separating the components (see illustration). 4 Note that the catalytic converter is fragile. Do not strike it with tools and take care not to allow it to contact jacks or lifting gear. 5 Always use new coupling seals and gaskets during reassembly. 8 Intermediate pipe 9 Centre silencer 10 Rear silencer
Chapter 4 Part C: Fuel and exhaust systems - K-Jetronic fuel injection - 16 valve engines The following information is a revision of, or supplementary to, that contained in Part B of this Chapter Contents Diaphragm pressure switch - testing . . . . . . . . . . . . . . . . . . . . . . . . . 5 Exhaust system - inspection, removal and refitting . . . . . . . . . . . . . 8 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Idle speed - adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Degrees of difficulty Easy, suitable for novice with little experience 1 Specifications Fairly easy, suitable for beginner with some experience 2 Fairly difficult, suitable for competent DIY mechanic Air cleaner Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Automatic air temperature control Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fuel filter Application: Champion U502 1.8 litre Golf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Champion L203 1.8 litre Jetta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Injection system Champion L206 Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K-Jetronic, continuous injection system (CIS) Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8 litre (code KR) engine Idle speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 950 + 50 rpm 1081 VW Golf & Jetta 4C•1 Idle speed stabilisation system - testing . . . . . . . . . . . . . . . . . . . . . . 3 Inlet manifold - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . 7 Overrun cut-off valve - testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Throttle valve switch - testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Difficult, suitable for experienced DIY mechanic 4 Very difficult, suitable for expert DIY or professional 5 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
Page 69 and 70: 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: Fuel and exhaust systems - K-Jetron
Page 123 and 124: 1 To ignition control unit 2 Intake
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
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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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