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:

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