Vauxhall Workshop Service and Repair Manuals

Replace exhaust gas recirculation valve (M20-6 MTA transmission)

Warning:   When working on the Common Rail system, wait for one minute after switching off the engine. The system reduces the pressure automatically.

Important:   When working on the fuel system, pay strict attention to cleanliness as even the smallest particle of dirt may lead to malfunctions in engine operation or the fuel system. Seal opened fuel connections with suitable closure plugs 1) . Closure plugs are intended for single use.

  Remove

5.   Drain coolant •   Open drain bolt on radiator (1) •   Collect coolant •   Close drain bolt

7.	Detach bulkhead closing part

9.   Detach charge air pipe (1) from throttle valve housing (3) •   Unscrew 2x bolts (2)

11.   Remove brake force amplifier vacuum line (1) •   Disconnect quick-release fitting 12.   Separate vacuum line vacuum pump (2)

13.   Remove throttle valve module (1) •   Remove vacuum pipe (2) from solenoid valve •   Unscrew 3 bolts

14.   Detach flange throttle valve module (1) from intake manifold •   Unscrew 3x bolts (2)

Important:   Apply colour marks for assignment 15.   Detach 2x coolant hose heating (1) from heater core •   Unlatch 2 quick-release fittings (2) using a screwdriver

16.   Detach 2x coolant hose heating (1) from coolant pipe •   Undo 2 clamps

17.   Detach engine vent hose, cylinder head venting (1) from charge air pipe •   Unscrew bolt, thermostat housing bracket (2) •   Undo quick-release fitting (3) •   Unscrew bolt, bracket on intake manifold top

18.   Remove coolant hose (1) from thermostat housing •   Release clamp •   Unclip from bracket

19.   Remove exhaust return valve (1) •   Detach metal pipe from intake manifold – Release clamp (2) •   Detach exhaust gas recirculation valve bracket from cylinder block – Unscrew bolt (3) •   Unscrew 2x bolts •   Remove assembly valve and radiator exhaust gas recirculation Note:   On removal, beware of intake manifold and surrounding wiring harness plugs

20.   Detach exhaust gas recirculation valve (1) from exhaust gas recirculation cooler (2) •   Remove coolant hose, thermostat housing, from exhaust gas recirculation valve – Release clamp •   Detach coolant hose - exhaust gas recirculation cooler at the coolant pipe – Undo 2 clamps •   Unscrew 3 bolts •   Detach coolant pipe from exhaust gas recirculation valve – Unscrew bolt

  Install

37.	Install bulkhead closing part