{
  "glb": "/models/components/987/susp.glb",
  "parts": [
    {
      "id": "SUSP-F-001-L",
      "node": "frontStrutLeft",
      "label": "Front Spring Strut — MacPherson (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Complete front left spring strut — double-tube gas-filled shock absorber and coil spring in one structural unit. The 987 front axle is a strut suspension with trailing link and wishbone; PASM (electronically adjustable damping, −10 mm) was optional.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-001-R",
      "node": "frontStrutRight",
      "label": "Front Spring Strut — MacPherson (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Complete front right spring strut — double-tube gas-filled shock absorber and coil spring in one structural unit. The 987 front axle is a strut suspension with trailing link and wishbone; PASM (electronically adjustable damping, −10 mm) was optional.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-002-L",
      "node": "frontCoilSpringLeft",
      "label": "Front Coil Spring (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Coil spring on the front left strut supporting vehicle weight and setting ride height. 987 springs are colour-coded for spring tolerance and chassis version (basis / PASM / PASM sport).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-002-R",
      "node": "frontCoilSpringRight",
      "label": "Front Coil Spring (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Coil spring on the front right strut supporting vehicle weight and setting ride height. 987 springs are colour-coded for spring tolerance and chassis version (basis / PASM / PASM sport).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-003-L",
      "node": "frontShockAbsorberLeft",
      "label": "Front Shock Absorber (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Double-tube gas-filled damper inside the front left strut controlling suspension oscillation. With optional PASM the damper is continuously map-adjusted per wheel (Normal/Sport).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-003-R",
      "node": "frontShockAbsorberRight",
      "label": "Front Shock Absorber (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Double-tube gas-filled damper inside the front right strut controlling suspension oscillation. With optional PASM the damper is continuously map-adjusted per wheel (Normal/Sport).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-004-L",
      "node": "frontLowerControlArmLeft",
      "label": "Front Wishbone / Lower Control Arm (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front left wishbone connecting the wheel carrier to the front crossmember — with the trailing link it forms the 987's lower front axle plane, controlling lateral wheel movement.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-004-R",
      "node": "frontLowerControlArmRight",
      "label": "Front Wishbone / Lower Control Arm (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front right wishbone connecting the wheel carrier to the front crossmember — with the trailing link it forms the 987's lower front axle plane, controlling lateral wheel movement.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-005",
      "node": "frontAntiRollBar",
      "label": "Front Anti-Roll Bar (Sway Bar)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front torsion bar linking both front corners to resist body roll. 987.2 sizes: tube 24.0 x 3.8 mm on the basis chassis, 24.5 x 3.8 mm with PASM (2009 Service Introduction table).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-006-L",
      "node": "frontArbEndLinkLeft",
      "label": "Front ARB End Link and Bushing (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "sub",
      "partNumber": null,
      "function": "Drop link connecting the front left anti-roll bar to the strut assembly, transmitting torsional load between the bar and the suspension. A classic 987 clunk-over-bumps wear item.",
      "parent": "SUSP-F-005"
    },
    {
      "id": "SUSP-F-006-R",
      "node": "frontArbEndLinkRight",
      "label": "Front ARB End Link and Bushing (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "sub",
      "partNumber": null,
      "function": "Drop link connecting the front right anti-roll bar to the strut assembly, transmitting torsional load between the bar and the suspension. A classic 987 clunk-over-bumps wear item.",
      "parent": "SUSP-F-005"
    },
    {
      "id": "SUSP-F-007",
      "node": "frontSubframe",
      "label": "Front Subframe / Crossmember",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front crossmember bolted to the body that carries the wishbones, trailing links, anti-roll bar and the hydraulic steering rack as a complete front axle module.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-008-L",
      "node": "frontWheelHubLeft",
      "label": "Front Wheel Hub and Bearing (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Flanged wheel hub with integrated angular contact bearing at the front left wheel carrier, providing the rotating interface for the wheel and brake rotor.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-008-R",
      "node": "frontWheelHubRight",
      "label": "Front Wheel Hub and Bearing (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Flanged wheel hub with integrated angular contact bearing at the front right wheel carrier, providing the rotating interface for the wheel and brake rotor.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-001-L",
      "node": "rearControlArmSetLeft",
      "label": "Rear Axle Links — Lateral, Toe & Upper (Left Set)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Link set at the rear left corner of the 987's McPherson rear axle — lower lateral arm, upper link and adjustable toe link locating the wheel carrier (carried over in principle from the 986/987.1, retuned for 2009).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-001-R",
      "node": "rearControlArmSetRight",
      "label": "Rear Axle Links — Lateral, Toe & Upper (Right Set)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Link set at the rear right corner of the 987's McPherson rear axle — lower lateral arm, upper link and adjustable toe link locating the wheel carrier (carried over in principle from the 986/987.1, retuned for 2009).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-002-L",
      "node": "rearCoilSpringLeft",
      "label": "Rear Coil Spring (Left)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear left coil spring with new foam pads (2009 revision). Spring rates 33–46 N/mm depending on model, transmission and chassis (2009 Service Introduction tables); colour-coded for tolerance.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-002-R",
      "node": "rearCoilSpringRight",
      "label": "Rear Coil Spring (Right)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear right coil spring with new foam pads (2009 revision). Spring rates 33–46 N/mm depending on model, transmission and chassis (2009 Service Introduction tables); colour-coded for tolerance.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-003-L",
      "node": "rearShockAbsorberLeft",
      "label": "Rear Spring Strut / Shock Absorber (Left)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear left double-tube gas-filled spring strut with new rebound stop springs (2009 revision), controlling rear suspension oscillation on the McPherson rear axle. PASM version actively adjustable.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-003-R",
      "node": "rearShockAbsorberRight",
      "label": "Rear Spring Strut / Shock Absorber (Right)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear right double-tube gas-filled spring strut with new rebound stop springs (2009 revision), controlling rear suspension oscillation on the McPherson rear axle. PASM version actively adjustable.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-004",
      "node": "rearAntiRollBar",
      "label": "Rear Anti-Roll Bar",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear torsion bar linking both rear corners. 987.2 sizes span tube 17.2 x 2.5 mm to 19.6 x 2.6 mm by model/transmission/chassis; cars with the mechanical rear differential lock get adapted bars (2009 Service Introduction).",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-005",
      "node": "rearSubframe",
      "label": "Rear Subframe / Axle Carrier",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear axle carrier bolted to the body structure that anchors the rear links, the anti-roll bar and the transaxle mount of the mid-engine drivetrain.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-006-L",
      "node": "rearWheelHubLeft",
      "label": "Rear Wheel Hub and Bearing (Left)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear left wheel carrier-mounted hub with integrated angular contact bearing providing the rotating interface for the rear wheel, brake disc, and drive shaft flange.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-006-R",
      "node": "rearWheelHubRight",
      "label": "Rear Wheel Hub and Bearing (Right)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear right wheel carrier-mounted hub with integrated angular contact bearing providing the rotating interface for the rear wheel, brake disc, and drive shaft flange.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-STEER-001",
      "node": "steeringRack",
      "label": "Steering Rack — Hydraulic Power Steering",
      "assembly": "Steering",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Hydraulically power-assisted rack-and-pinion steering gear with variable steering ratio — unlike the later 981's electric (EPAS) rack. The rotary valve at the pinion meters pressure from the belt-driven pump (Pentosin CHF 11S fluid); split rack boots and weeping line unions are the classic checks.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-STEER-002",
      "node": "steeringColumn",
      "label": "Steering Column with Intermediate Shaft",
      "assembly": "Steering",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Collapsible steering column with intermediate universal-joint shaft transmitting driver input from the wheel to the hydraulic rack's pinion / rotary valve.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-STEER-004-L",
      "node": "tieRodLeft",
      "label": "Tie Rod and Tie Rod End (Left)",
      "assembly": "Steering",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Left-side inner tie rod and ball-jointed outer end connecting the steering rack to the front left wheel carrier to steer the wheel. Alignment required after any track-rod work.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-STEER-004-R",
      "node": "tieRodRight",
      "label": "Tie Rod and Tie Rod End (Right)",
      "assembly": "Steering",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Right-side inner tie rod and ball-jointed outer end connecting the steering rack to the front right wheel carrier to steer the wheel. Alignment required after any track-rod work.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-STEER-005",
      "node": "psPump",
      "label": "Power Steering Pump (Belt-Driven)",
      "assembly": "Steering",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Engine-driven hydraulic vane pump on the accessory belt drive of the mid-mounted flat-six, supplying pressure to the steering rack's rotary valve. A whine on lock usually means low CHF 11S fluid or a tired pump.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-STEER-006",
      "node": "psReservoir",
      "label": "Power Steering Fluid Reservoir (CHF 11S)",
      "assembly": "Steering",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Hydraulic fluid reservoir for the power steering circuit — checked cold at the front service point and topped up with Pentosin CHF 11S only. Feeds the belt-driven pump via the suction line.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-STEER-007",
      "node": "psLines",
      "label": "Power Steering Lines — Pressure, Return & Suction",
      "assembly": "Steering",
      "system": "Suspension",
      "tier": "sub",
      "partNumber": null,
      "function": "Hydraulic line set of the 987 steering circuit: high-pressure line from the engine-mounted pump forward to the rack's rotary valve, return line back to the reservoir, and the suction feed to the pump. Inspect the full run for weeping unions and chafe.",
      "parent": "SUSP-STEER-005"
    },
    {
      "id": "SUSP-F-010-L",
      "node": "frontTrailingArmLeft",
      "label": "Front Lower Trailing Link (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front left trailing link of the 987 strut front axle (“strut suspension with trailing link and wishbone”, 2009 Service Introduction) with bushings and aero spoiler panel.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-010-R",
      "node": "frontTrailingArmRight",
      "label": "Front Lower Trailing Link (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front right trailing link of the 987 strut front axle (“strut suspension with trailing link and wishbone”, 2009 Service Introduction) with bushings and aero spoiler panel.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-011-L",
      "node": "frontWheelCarrierLeft",
      "label": "Front Wheel Carrier / Knuckle (Left)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front left wheel carrier (knuckle) clamping the spring strut and carrying the hub/bearing unit.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-F-011-R",
      "node": "frontWheelCarrierRight",
      "label": "Front Wheel Carrier / Knuckle (Right)",
      "assembly": "Front Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Front right wheel carrier (knuckle) clamping the spring strut and carrying the hub/bearing unit.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-010-L",
      "node": "rearTrailingArmLeft",
      "label": "Rear Trailing Arm (Left)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear left trailing arm linking the body/subframe to the wheel carrier — the longitudinal locating element of the 987's McPherson rear axle.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-010-R",
      "node": "rearTrailingArmRight",
      "label": "Rear Trailing Arm (Right)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear right trailing arm linking the body/subframe to the wheel carrier — the longitudinal locating element of the 987's McPherson rear axle.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-011-L",
      "node": "rearWheelCarrierLeft",
      "label": "Rear Wheel Carrier / Knuckle (Left)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear left wheel carrier receiving the drive shaft, hub, spring strut and links of the McPherson rear axle.",
      "componentId": "susp"
    },
    {
      "id": "SUSP-R-011-R",
      "node": "rearWheelCarrierRight",
      "label": "Rear Wheel Carrier / Knuckle (Right)",
      "assembly": "Rear Suspension",
      "system": "Suspension",
      "tier": "primary",
      "partNumber": null,
      "function": "Rear right wheel carrier receiving the drive shaft, hub, spring strut and links of the McPherson rear axle.",
      "componentId": "susp"
    }
  ]
}