Volvo Penta — Valve guides, inspecting
Testing & diagnosis
From a Volvo Penta service manual — check it applies to your exact model before use.
Browse Volvo Penta generators & specs →
Before you start
- Do not lay cylinder head on valve guides.
Procedure
- Remove oil seal from valve guide.
- Place cylinder head horizontally with valve heads upward.
- Place new valve in guide with stem end level with guide edge.
- Mount dial indicator 9989876 with magnetic stand 9999696.
- Move valve laterally and note reading.
- Check all valve guides; replace if readings exceed specifications.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Inlet clearance 0.03-0.05 mm, wear tolerance 0.2 mm
- Exhaust clearance 0.04-0.07 mm, wear tolerance 0.3 mm
Source: Volvo Penta service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.