Special ToolsDT 5590Bearing and Seal DriverJ-25254-AOil Seal Installer
For equivalent regional tools, refer toSpecial Tools.
Left Camshaft Cover
Install the NEW left spark plug shield tube seals using theDT 5590driver-(1) andJ-25254-Ainstaller-(2) .

Install the NEW left camshaft cover gasket.

Install the oil fill cap.

Caution:Refer toFastener Caution.
Install the fuel injector sight shield cover ballstud andtighten to10-Y(89-lb-in).
Note:The camshaft cover bolt grommet must be installed into thecamshaft cover bolt hole before installing the camshaft coverbolt.
Install the NEW left camshaft cover bolt grommets.Right Camshaft Cover
Install the NEW right spark plug shield tube coil seals usingtheDT 5590driver-(1) andJ-25254-Ainstaller-(2) .

Install the NEW right camshaft cover gasket.

Note:The camshaft cover bolt grommet must be installed into thecamshaft cover bolt hole before installing the camshaft coverbolt.
Install the NEW right camshaft cover bolt grommets.
Engine Replacement
Cylinder Head Cleaning and Inspection (LAF, LEA, or LUK) Engine Block Cylinder HeadEmergency
Emergency Services require an
active, OnStar service plan
(excludes Basic Plan). With
Automatic Crash Response, built-in
sensors can automatically alert a
specially trained OnStar Advisor
who is immediately connected in to
the vehicle to help.
Press for a priority connection to
an OnStar ...