Volvo Penta — Cylinder head, valves removing/fitting
Repair & overhaul
From a Volvo Penta service manual — check it applies to your exact model before use.
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Before you start
- Strict cleanliness when working on cylinder head.
- Place cylinder head on clean level surface.
Procedure
- Fasten cylinder head in engine stand using tool 9998258.
- Fit press tool 9998260 with valve counterstay.
- Fit hydraulic cylinder 9996161 and connect foot pump 9996222.
- Insert pin 9996159 in hydraulic cylinder.
- Depress valve disc using tool 9998246 and remove valve collets.
- Remove valve disc, springs, guide pins and valves.
- Remove oil seals from valve guides.
- Oil valve stems and fit valves.
- Fit valve yoke guide pins.
- Fit tool 9998335 and press new oil seals over valve guides.
- Fit springs; exhaust valves have double springs.
- Fit valve disc and collets.
- Alternative: use tool 9998506 instead of hydraulic cylinder.
Tools required
- 9996159 Amazon
- 9996161 Amazon
- 9996222 Amazon
- 9998246 Amazon
- 9998258 Amazon
- 9998260 Amazon
- 9998335 Amazon
- 9998506 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.