Kohler — Fuel Pump Reconditioning
Repair & overhaul
From a Kohler service manual covering: K482, K532, K582, K662. Check it applies to your exact model before use.
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Before you start
- Do not tighten screws until pump lever is held at limit to prevent stretching diaphragm
Procedure
- Remove fuel lines and mounting screws holding pump
- File indicating mark across body and cover union
- Remove cover and discard valves, springs and gasket
- Clean fuel head with solvent and fine wire brush
- Install new valve gasket, valves, springs and retainer
- Replace diaphragm operating spring and diaphragm
- Assemble cover with indicating marks in line
- Push pump lever to limit and tighten four screws
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Non-metallic mounting screws 40-45 in-lb
Source: Kohler 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.