Volvo Penta — Fuel supply pressure, checking
Testing & diagnosis · Fuel pump / fuel filter (23315)
From a Volvo Penta service manual covering: TAD530GE, TAD531GE, TAD532GE, TAD722GE, TAD730G, TAD732GE, TAD733GE, TD520GE, TD720GE, tAd731GE. Check it applies to your exact model before use.
Applies to: Volvo Penta TAD530GE, Volvo Penta TAD531GE, Volvo Penta TAD532GE, Volvo Penta TAD722GE, Volvo Penta TAD730G, Volvo Penta TAD732GE, Volvo Penta TAD733GE, Volvo Penta TD520GE, Volvo Penta TD720GE, Volvo Penta tAd731GE
Before you start
- The injectors are sensitive and may easily be damaged by contamination.
Procedure
- Clean the nipple and hose thoroughly before connecting them.
- Check the fuel pump and replace if necessary.
- Measure the supply pressure before (1) and after (2) the fuel filter.
- Use manometer 999 6398, nipple 999 6066 with hollow screw 180211 and new copper washers 969011.
Tools required
- Manometer 999 6398 Amazon
- Nipple 999 6066 Amazon
- Hollow screw 180211 Amazon
- Copper washer 969011 Amazon
- Electrical pressure gauge 999 8496 Amazon
- Hose 999 8493 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Supply pressure after pump: 0.5 MPa / 5 bar
- Supply pressure after filter at 1500 rpm: 0.28 MPa / 2.8 bar
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.