Liquid Spring recalls

4 NHTSA recall campaigns filed since 2000 that affect Liquid Spring vehicles, newest first. Last verified Sep 14, 2026.

• May 28, 2020Crash risk
  2019–2020 Frazer Ram 4500 Chassis, 2019–2020 Frazer Ram 5500 Chassis, Liquid Spring DS135RS3-DM and 2 other models — Service Brakes

  Frazer is recalling certain 2019-2020 emergency vehicles built on RAM 4500 and 5500 chassis, equipped with certain Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF, DS135RS3-DM. The rear brake caliper flexible line may have been routed so that it contacts a suspension component, possibly causing excessive wear and a loss of rear brakes.

  20V313000 · 76 units · Frazer

• May 23, 2020Crash risk
  2019–2020 AEV Traumahawk, Liquid Spring DS135RS3-DM, Liquid Spring DS135RS3A and 1 other model — Service Brakes, Hydraulic

  Halcore Group, Inc. (Halcore) is recalling certain 2019-2020 American Emergency Vehicle TraumaHawk Type 1 ambulances built on RAM 4500 and 5500 chassis equipped with Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF, DS135RS3-DM. The rear brake caliper flexible line may have been routed so that it contacts a suspension component, possibly causing excessive wear and a loss of rear brakes. The affected system component is the rear brake caliper flexible line which may be causing brake caliper to wear due to contact suspension components.

  20V300000 · 39 units · Halcore Group, Inc.

• May 20, 2020Crash risk
  2018–2020 Horton Type I, 2018–2020 Horton Type Iii, Liquid Spring DS135RS3-DM and 2 other models — Service Brakes

  Halcore Group, Inc. (Halcore) is recalling certain 2018-2020 Horton Emergency Vehicles (HEV) Type I & Type III ambulances built on a Ram 4500 or 5500 chassis and equipped with Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF, DS135RS3-DM. The rear brake caliper flexible line may have been routed so that it contacts a suspension component, possibly causing excessive wear and a loss of rear brakes. The affected system component is the rear brake caliper flexible line which may be causing brake caliper to wear due to contact suspension components.

  20V291000 · 17 units · Halcore Group, Inc.

• May 20, 2020Crash risk
  2018–2020 Frontline Type I, Liquid Spring DS135RS3-DM, Liquid Spring DS135RS3A and 5 other models — Service Brakes

  REV Ambulance Group Orlando, Inc. (REV) is recalling certain 2018-2020 Type 1 ambulances built on Ram 4500 and 5500 chassis equipped with Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.), part numbers DS135RS3A, DS135RS3AF and DS135RS3-DM. The rear brake caliper flexible line may have been routed so that it contacts a suspension component, possibly causing excessive wear and a loss of rear brakes.

  20V284000 · 59 units · REV Ambulance Group Orlando, INC.