REMOVAL AND INSTALLATION <4HN>



RECOMMENDED TOOLS




[1] Set of plugs (-).0194-T.

REMOVAL



Disconnect the battery.
Remove the engine cover.

Remove:

  • The air filter (2) complete
  • The air duct (1)

Disconnect the 4 connectors (In "a").
Disconnect the pipe (5).
Remove:

  • The fuel return rail (4) of the diesel injections
  • The exhaust gas recycling duct (6)
  • The support bracket (10)
  • The turbocharging pressure sensor (7)
  • The bolt (9)
Uncouple:

  • The pipe (3)
  • The throttle butterfly housing (11)
Move aside the electrovalve support with the electrovalve (8).
Unclip and pull away the wiring harness (22).

Unscrew the 7 screws (13) (captive screws).
Remove:

  • The bottom screw (14) of the air inlet manifold (15)
  • The air intake manifold (15)

INSTALLATION



caution When refitting, all the seals that have been removed must be replaced with new seals.

Replace the seals of the air inlet manifold and lubricate them slightly (with engine oil).
Refit the air inlet manifold (15).
caution Respect the tightening order (in order 1 to 7).
Fit:

  • The 7 bolts (13) (Without tightening)
  • The bottom screw (14) of the air inlet manifold (15)
Bolt (13) tightening sequence:

  • Pre-tighten the bolts by hand (in order 1 to 7)
  • Tighten the screws to 9 ± 1 N·m (in order 1 to 7)
Proceed in the reverse order to removal.
Reconnect the battery.
Refit the engine cover.