Accelerator and throttle cables - removal, refitting and adjustment . 10 Accelerator pedal - removal and refitting Air cleaner element - renewal Air cleaner unit - removal and refitting Automatic air cleaner temperature control - testing Carburettor (1.05 litre engine) - adjustments Carburettor (1.3 litre engine) - adjustments Carburettor (1.6 & 1.8 litre engines) - adjustments Carburettor - overhaul Carburettor - removal and refitting Choke cable (1.05 litre engine) - removal, refitting and adjustment . 12 Exhaust system - inspection, removal and refitting Fuel filler gravity valve - removal, testing and refitting Fuel gauge sender unit - removal and refitting Fuel pump - testing, removal and refitting Fuel reservoir - removal and refitting Fuel tank - removal and refitting General information and precautions Inlet and exhaust manifolds - removal and refitting Inlet manifold preheating - testing Specifications Air cleaner Type Element type Element application: 1.05 litre 1.3 litre 1.6 litre 1.8 litre Automatic air temperature control Renewable paper Champion Wl01 Champion W102 Champion U508 Champion U508 Fuel pump Type: 1.05 and 1.3 litre 1.6 and 1.8 litre Mechanical, diaphragm, operated by plunger from camshaft Mechanical, diaphragm, operated by eccentric on intermediate shaft 4A Fuel filter Type Champion L104 Carburettor - 1.05 litre Pierburg/Solex 31 PIC-7 Type Venturi Main jet Air correction jet with emulsion tube Idling fuel jet Idling air jet uxiliary fuel jet Auxiliary air jet Enrichment (primary/secondary) Injection capacity (cc/stroke) Float needle valve Float needle valve washer thickness Fast idle speed Choke valve gap Throttle valve gap smooth running detent Idle speed CO content % Downdraught with manual or automatic choke 23 mm X117.5 115 Z 45 135 32.5 130 70/70 1.00 ± 0.15 1.5 2.0 mm 2600 ± 100 rpm 1.8 ± 0.2 mm 2.5 ± 0.3 mm 950 ± 50 rpm 1.0 ± 0.5 1081 VW Golf & Jetta 4A•2
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