Overflow Valves - Volvo ECS Training Tips And Tactics

Electronically controlled suspension
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ECS Gen. 2
Overflow valves
Gen. 2 overflow valves are still referred to as 52a and 52b.
As for the Gen.1 design, the two valves are identical
externally, but different internally.
52a - 6.7 - 7.0 bar
Opening
pressure
52b - 10.0 - 10.3 bar
155

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