V70 XC AWD L5-2.4L Turbo VIN 56 B5254T (1998)
Place control system on clean workbench.
Remove gear selector slide so that it does not fall out and become damaged.
6. Replacing accumulator piston C3
Cover plate and gasket. Check that gasket is intact.
Spring and modulator valve (1)
Spring and modulator valve B1 (2)
Spring and modulator valve C3 (3)
Accumulator piston C3 and spring (C3)
7. Clean and inspect valves and pistons.
Clean all metallic components thoroughly in a suitable cleaning fluid.
Dry with compressed air or lint-free rag.
Check that valve spools are not abraded or worn.
Check that there are no abrasion or wear marks on the valves and that they move easily in their bores.
If necessary the valves can be carefully dressed with extremely fine emery cloth.
Check that hole in valve (2) is clean. Blow clean with compressed air.