Camshaft, Engine: Installation
NOTE:
Camshaft bearing caps are marked during engine manufacturing. For example, the center camshaft bearing cap is marked "C". The markings on the caps (1) should align with the markings on the camshaft housing (2).
NOTE:
Following the installation of each camshaft bearing cap, visually verify that the camshaft has some endplay.
- Lubricate camshaft journals with clean engine oil.
- Apply a seam of Anaerobic Loctite® 518 Sealant on the camshaft housing in the contact area of the front and rear camshaft caps.
- Install the camshaft and camshaft bearing caps. Tighten the twelve bolts in two steps following the sequence shown in illustration:
- Step 1: All to 5 N.m (44 in. lbs.).
- Step 2: All to 10 N.m (89 in. lbs.).
- Loosen the spring compressors (3), remove the four bolts (1) and the (special tool #10259B, Compressor, MultiAir® Spring) (2).
- If required, install a new camshaft seal (1). Refer to SEAL(S), CAMSHAFT, INSTALLATION .
- Install the camshaft sprocket. Refer to SPROCKET(S), TIMING BELT AND CHAIN, INSTALLATION .
- Install the timing belt. Refer to BELT, TIMING, INSTALLATION .
- Install the cylinder head cover. Refer to COVER(S), CYLINDER HEAD, INSTALLATION .
NOTE:
The Cam/Crank Variation Relearn procedure must be performed using the scan tool anytime there has been a repair/replacement made to a powertrain system, for example: flywheel, valvetrain, camshaft and/or crankshaft sensors or components. Refer to STANDARD PROCEDURE .