Workshop Manuals Factory service & repair Rover
Rover Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition03 · Engine
03 · Engine

Clearance

Make
Rover
Model
600 Rover 600 Repair Manual - Volumes 1 and 2 - 2nd Edition
Section
Cylinder head/valve train: repairs › Clearance
EngineClearance

Clearance

Measure both the intake rocker shafts and exhaust rocker shaft.

Diagram showing a hand using a micrometer to measure the diameter of a rocker shaft
  1. A Micrometer
  2. Measure the diameter of the shaft at the first rocker location and inspect shaft for smoothness.
Diagram showing a hand using a cylinder bore gauge against a micrometer to set zero on a rocker shaft
  1. A Micrometer
  2. B Cylinder bore gauge
  3. Zero the gauge to the shaft diameter.
Diagram showing a cylinder bore gauge inserted into a rocker arm to measure inside diameter
  1. Measure the inside diameter of the rocker arm and check for out-of-round condition. Inspect rocker arm faces for wear in areas arrowed.

Rocker Arm-to-Shaft Clearance:
Standard (New):
Intake: 0.017-0.050mm
Exhaust: 0.018-0.054mm
Service Limit: 0.08mm

  1. Repeat for all rockers. If over limit, replace the rocker shaft and all over-tolerance rocker arms.

Parts & tools for this job For Rover 600

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