Valve Rocker Arms Cleaning And Inspection; Camshaft Timing Drive Components - Suzuki XL7 2007 Service Manual

1. Inspect the stationary hydraulic lash adjuster (SHLA)
in the following areas:
– A plugged oil passage (1)
– A scored or worn camshaft follower pivot area (2)
– A damaged or broken retainer (3), some
applications
– A severely scuffed or worn SHLA body (4)
2. Replace the SHLA or SHLAs as necessary.
Reference: "Valve Lifter Installation - Right Side: ".
Reference: "Valve Lifter Installation - Left Side: ".

Valve Rocker Arms Cleaning and Inspection

Reference: "Valve Rocker Arm Removal - Left Side: ".
Reference: "Valve Rocker Arm Removal - Right Side: ".
1. Inspect the camshaft follower roller (1) for the
following:
– Flat spots
– Excessive scoring and pitting
– Ensure the roller spins freely
2. Inspect the camshaft follower valve tip area (2).
3. Inspect the camshaft follower stationary hydraulic
lash adjuster (SHLA) pivot area (3).
4. Replace the camshaft follower or followers as
necessary.
Reference: "Valve Rocker Arm Installation - Right Side:
".
Reference: "Valve Rocker Arm Installation - Left Side: ".

Camshaft Timing Drive Components

Cleaning and Inspection (Third Design)
Reference: "Camshaft Position Actuator Removal - Right
Side Intake (Third Design): ".
Cleaning Procedure
1. Clean all the following components with solvent:
– Crankshaft sprocket
– Primary timing drive chain
– Primary timing drive chain shoe
– Primary timing drive chain guides
– Primary timing drive chain tensioner
– Secondary timing drive chains
– Secondary timing drive chain shoes
– Secondary timing drive chain guides
– Secondary timing drive chain tensioners
– Timing component fastening bolts
2. Clean each camshaft position actuator's exterior with
solvent.
WARNING
!
Refer to "Safety Glasses Caution: ".
3. Dry the timing components with compressed air.
Visual Inspection
Camshaft Position Actuators
1. Inspect the front of the exhaust camshaft position
actuators for the following:
– Sprocket damage (1)
– Reluctor/sensor wheel damage (2)
– Camshaft position actuator bolt seating/sealing
inner hub flange damage (3)
Engine Mechanical: 1D-191