940 L4-2320cc 2.3L DOHC VIN 89 B234F FI (1991)
Intake Manifold: Service and Repair
Intake Manifold, Replacement
Remove air mass meter and air inlet hose
Undo connector at air mass meter and hose connections to oil trap and idling (air control) valve.
Detach throttle pulley from intake manifold
Detach pulley link rod from throttle lever.
Loosen bolt securing intake manifold support to engine mounting.
Separate throttle housing from intake manifold
Cut cable tie holding throttle switch wiring to vacuum servo hose connection.
Disconnect following hoses/lines from intake manifold:
- vacuum servo
- EVAP valve (F engines only)
- oil trap
- fuel pressure regulator
- idling (air control) valve
- vacuum tank (applies only to cars equipped with CU/CU + AC heater)
