Specifications

General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bosch mechanical continuous injection system Application:
XR3i and XR3i Cabriolet models up to 1990 . . . . . . . . . . . . . . . . . . . Bosch K-Jetronic
RS Turbo models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bosch KE-Jetronic K-Jetronic system specification Fuel pump type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 volt electric roller cell type Fuel pump delivery quantity (minimum) . . . . . . . . . . . . . . . . . . . . . . . . . 0.7 litre (1.32 pints) in 30 seconds Idle speed (cooling fan on) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750 to 850 rpm Idle mixture CO content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 to 1.5% Main system pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.7 to 5.5 bar (68 to 80 lbf/in2) Control pressure (warm engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.4 to 3.8 bar (39 to 45 lbf/in2) Injector valve opening pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 to 4.0 bar (46.4 to 51.5 lbf/in2) KE-Jetronic system specification Fuel pump type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 volt electric roller cell type Fuel pump delivery quantity (minimum): 1985 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 litres (1.9 pints) in 60 seconds 1986 models onwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 litres (4.4 pints) in 60 seconds Idle speed (cooling fan on): 1985 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800 to 900 rpm 1986 models onwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 920 to 960 rpm Idle mixture CO content: 1985 models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.25 to 0.75% 1986 models onwards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 to 1.1% Main system pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.6 to 6.0 bar (82 to 87 lbf/in2) Injector valve opening pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 4.1 bar (43.5 to 59.5 lbf/in2) Turbocharger
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Garrett AiResearch T3 Maximum boost pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.45 to 0.55 bar (6.5 to 7.9 lbf/in2) Solenoid control valve operating range . . . . . . . . . . . . . . . . . . . . . . . . . 2500 to 6000 rpm (approximately) Fuel requirement
Fuel octane rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 RON (four-star) Torque wrench settings Nm lbf ft K-Jetronic system
Air cleaner retaining bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 to 5 3 to 4 Fuel distributor-to-sensor plate screws . . . . . . . . . . . . . . . . . . . . . . . . . 32 to 38 24 to 28 Sensor plate-to-air cleaner screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 to 11 6 to 8 Warm-up regulator bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 to 5 2 to 4 Cold start valve bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 to 5 2 to 4 Auxiliary air device bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 to 5 2 to 4 Inlet manifold nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 to 20 12 to 15 Throttle housing nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 to 11 6 to 8 Exhaust manifold nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 to 17 10 to 13 Exhaust downpipe to manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 to 40 25 to 29 Banjo union bolts:
Fuel distributor inlet and return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 to 20 11 to 15 Fuel distributor injector pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 to 8 4 to 6 Fuel distributor cold start valve feed pipe . . . . . . . . . . . . . . . . . . . . . . 5 to 8 4 to 6
Fuel distributor warm-up regulator feed and return pipes . . . . . . . . . 5 to 8 4 to 6
Warm-up regulator inlet (M10) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 to 15 8 to 11 Warm-up regulator outlet (M8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 to 8 4 to 6
Fuel pump, filter and accumulator . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 to 20 11 to 15 KE-Jetronic system
Air cleaner bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 to 11 6 to 8 Fuel distributor-to-sensor plate screws . . . . . . . . . . . . . . . . . . . . . . . . . 32 to 38 24 to 28 Cold start valve bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 to 11 6 to 8 Auxiliary air device bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 to 11 6 to 8 Inlet manifold nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 to 20 11 to 15 Throttle housing nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 to 11 6 to 8 Thermo-time switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 to 25 15 to 18 Charge air temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 to 25 15 to 18 Air inlet duct to rocker cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 to 18 10 to 13 Cold start valve fuel supply pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 to 8 4 to 6 Auxiliary air valve vacuum connection . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3
Fuel pressure regulator unions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 to 20 10 to 15 Fuel distributor unions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 to 15 8 to 11 Fuel pump, filter and accumulator unions . . . . . . . . . . . . . . . . . . . . . . . 16 to 20 11 to 15
Fuel injector pipe unions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 to 12 7 to 9 Exhaust manifold to cylinder head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 to 17 10 to 13 Turbocharger to exhaust manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 to 26 15 to 19 Exhaust downpipe to turbocharger . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 to 40 25 to 29

    See also:

    Spark plugs and HT leads - removal, inspection and refitting
    Note: The correct functioning of the spark plugs is vital for the correct running and efficiency of the engine. It is essential that the plugs fitted are appropriate for the engine, and the suitabl ...

    Facia panel switches - removal and refitting
    1 Disconnect the battery negative lead. Rocker switches and push button switches 2 Using a thin-bladed screwdriver, carefully prise the switch from the facia panel. 3 Disconnect the wiring plug a ...

    Camshafts and cam followers - removal, inspection and refitting
    Note: Once the timing chain has been removed from the camshaft sprockets, do not turn the crankshaft until the timing chain has been correctly refitted - this is to prevent contact between the val ...