Cylinder Head, Removing, M52 Tu And M54 Engines - BMW 5251 Service Manual

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Cylinder Head Removal and Installation
CYLINDER
H E A D
REMOVAL
AND
~NSTALLATION
(M52 TU
AND
N154
ENGINES)
WARNING
-
Due to risk ofpersonal injur)c be sure the engine is cold be-
fore beqinning the removal procedure.
Cylinder head removal and installation is a time consuming
repair procedure requiring multiple special service tools.
Read the entire procedure before beginning the repair.
This topic includes the following procedures:
* Cylinder head, removing, M52 TU and M54 engines
Cylinder head, installing, M52 TU and M54 engines
Cylinder head, removing,
M52 TU and M54 engines
Allow engine to cool before beginning this procedure.
-
Disconnect negative (-) cable from battery.
CAUTION-
Prior to disconnecting the battery, read the battery discon-
nection cautions in 001 General Cautions a n d Warnings.
4
Remove left and right interior ventilation ducts (left side
shown):
Release ventilation filter cover latch (A) and remove cover.
Release plastic locking tab (6) or release locking tabs on
top of duct (later models).
= Turn duct counterclocltwise to unlock from bullthead and
remove (arrow).
Disconnect electrical harness from hood switch (C).
Release spring lock fastener (D).
-
Slide filter housing away from inner fender to remove.
Removal of right side ventilation dud
Remove rear bulkhead panel:
Lift off rubber sealing gasket (arrow)
-
Remove 3 mounting clips (A).
Remove 4 retaining screws (6).
Lift off panel.
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