Proton X90
2023–present · 1.5T TGDi + 48V mild hybrid (Geely-derived, direct injection) · 7-speed wet DCT
The Proton X90 (2023+) is Proton's 7-seater flagship SUV based on the Geely Haoyue/Xingyue L platform. The 1.5T TGDi 4-cylinder with 48V mild hybrid delivers strong performance. Direct injection means carbon buildup at 60,000–80,000 km. DCT fluid every 40,000 km. 48V BSG belt inspection critical at 60,000 km. Most complex Proton to service.
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Proton X90 Common Problems Malaysia
Proton X90 (2023+): most complex Proton to date. 48V BSG belt inspection critical at 60,000 km. DCT shudder from 7-speed wet DCT — same family as X50/S70. Carbon buildup from 1.5T 4-cylinder TGDi direct injection at 60,000–80,000 km. Software updates important — early units may have ADAS calibration issues. 7-seater: third-row legroom tight for adults.
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💰Proton X90 Repair Cost Malaysia 2025
X90: engine oil DCT fluid carbon clean spark plugs. Annual budget. 48V BSG belt check at 60,000 km. Most expensive Proton to run — complex systems. 7-seater SUV: more tyre + brake cost.
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📅Proton X90 Service Schedule Malaysia
X90: engine oil every 10,000 km (0W-20 turbo). DCT fluid every 40,000 km. Spark plugs every 60,000 km. Air filter every 20,000 km. Carbon cleaning at 60,000–80,000 km. 48V BSG belt inspect at 60,000 km. Brake fluid every 2 years. Coolant every 5 years.
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🛢️Proton X90 Engine Oil Malaysia — 0W-20 Turbo
X90 1.5T TGDi 4-cyl: 4.5L capacity, 0W-20 fully synthetic turbo spec. Every 10,000 km — never exceed for turbo. 48V mild hybrid: no impact on oil spec. Geely-approved brand.
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⚙️Proton X90 DCT Fluid Malaysia
X90 7-speed wet DCT: fluid every 40,000 km. Larger heavier SUV = more DCT thermal stress than X50/S70. Software update before fluid change. Use only Geely/Proton-specified fluid.
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💨Proton X90 Air Filter Malaysia
X90 1.5T: panel air filter every 20,000 km. Turbo: clean air critical. Inspect at every oil change.
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🌡️Proton X90 Coolant Malaysia
X90: Geely/Proton long-life coolant. First change 5 years/100,000 km, then every 3 years. 48V mild hybrid: larger cooling demand. Malaysia cost.
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🛑Proton X90 Brake Pads Malaysia
X90: large 7-seater SUV — front pads 40,000–55,000 km. OEM/axle. EPB rear — calibration tool required. 7-passenger + load: inspect rear pads every 25,000 km.
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⭕Proton X90 Brake Disc Malaysia
X90 front: 320mm disc. Rear: 300mm disc. OEM/axle. EPB rear: professional piston wind-back required.
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🔵Proton X90 Brake Fluid Malaysia
DOT 4. Every 2 years. EPB: Proton SC tool required. Malaysia cost.
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🔋Proton X90 Battery Malaysia — 48V + 12V
X90 has TWO batteries: 12V AGM (conventional) and 48V lithium mild hybrid. 12V AGM 70Ah: Proton SC registration required. 48V: specialist/dealer only — high voltage. Malaysia 12V installed. 48V:+ depending on condition.
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⚡Proton X90 BSG / Alternator Malaysia
X90: 48V Belt Starter Generator (BSG) replaces alternator. BSG belt critical — inspect at 60,000 km. BSG failure: engine cranking + 48V warning. Malaysia BSG replacement: Proton dealer+.
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❄️Proton X90 Air Conditioning Malaysia
X90: R134a. Dual-zone + 3rd row vents. Large 7-seater SUV — A/C hardest working in Proton lineup. Compressor. Cabin filter every 15,000 km. Re-gas every 3–4 years.
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🌬️Proton X90 Cabin Filter Malaysia
X90 cabin filter. Every 15,000 km. 7-seater: highest air demand. Malaysia haze: every 10,000 km.
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🔵Proton X90 Tyre Guide Malaysia
X90: 235/55 R18 or 235/50 R19. FWD: rotate front-to-rear every 10,000 km. Heavy SUV — front tyres wear faster. Malaysia/tyre.
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🎯Proton X90 Wheel Alignment Malaysia
4-wheel alignment after every tyre change. Heavy SUV: critical. Malaysia.
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✨Proton X90 Spark Plugs Malaysia
X90 1.5T 4-cyl: 4 iridium plugs every 60,000 km. 4-cylinder: replace all 4. Check coils. Direct injection: plugs show carbon fouling from 40,000 km.
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⛓️Proton X90 Timing Chain Malaysia
X90 1.5T: timing chain — no replacement. Oil every 10,000 km turbo spec. No known issues on early units.
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🔧Proton X90 Carbon Cleaning Malaysia
X90 1.5T 4-cyl: direct injection — carbon on intake valves at 60,000–80,000 km. Larger displacement than 3-cyl X50/S70 — similar buildup rate. Walnut blast. Symptoms: rough cold idle, 3,000+ RPM hesitation.
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🔩Proton X90 Engine Mount Malaysia
X90 engine mounts at 80,000–120,000 km. Heavy 7-seater SUV — more stress than X50. 48V BSG: torque cycling adds load. Malaysia/pair.
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🚗Proton X90 Suspension Malaysia
X90: MacPherson front, multi-link rear. Front strut bearing: 80,000+ km. Rear lower arm: 80,000–100,000 km. Heavy SUV — inspect at every 20,000 km. Malaysia front.
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💻Proton X90 SC Diagnostic Malaysia
X90: Proton SC tool required for 48V BSG, EPB, battery registration, DCT adaptation, ADAS calibration. Generic OBD-II insufficient for most functions. Malaysia SC scan. Specialist workshop essential.
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🔔Proton X90 Service Indicator Reset Malaysia
X90: reset via dashboard or Proton eService. DCT, carbon, BSG belt not tracked — set manual reminders. SC recommended for full system reset.
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💧Proton X90 Oil Leak Malaysia
X90 1.5T: turbo oil lines at 80,000+ km. Valve cover gasket at 80,000+ km. New model — limited long-term data. Malaysia repair.
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🔄Proton X90 Power Steering Malaysia
X90: EPS — no fluid. Large SUV: heavier steering feel than X50. EPS rack.
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⛽Proton X90 Fuel Economy Malaysia
X90 1.5T city: 10–13 L/100km; highway: 7–9 L/100km. 48V mild hybrid: energy recovery under braking reduces re-acceleration fuel. ECO mode. Turbo: smooth throttle. 7 passengers: add 1.5–2.5 L/100km.
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📈Proton X90 Resale Value Malaysia
X90: new model (2023) — limited resale data. Flagship Proton: buyers want clean history + 48V BSG health. Expected 40–55% depreciation 5 years. 7-seater SUV segment competitive in Malaysia.
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✅Buying Used Proton X90 Malaysia — Checklist
Used X90 checklist: DCT shudder test. 48V BSG: no amber warning light. Software update history (Proton SC). Carbon: rough cold idle at 60,000+ km. Full SC diagnostic scan. Oil history (turbo spec). EPB function. Battery age (12V AGM).
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📖Proton X90 — Proton's Flagship 7-Seater SUV Malaysia
X90 launched 2023. Based on Geely Haoyue/Xingyue L platform. 1.5T TGDi 4-cyl + 48V mild hybrid + 7-speed wet DCT. FWD standard (AWD not available in Malaysia). 6 or 7 seats. ADAS across all variants. Biggest and most capable Proton ever. Direct rival: Toyota Innova Cross, Honda BR-V (different segment but overlapping buyers).
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⛽Proton X90 Fuel Pump Malaysia
Proton X90 1.5L TGDi 7-seater fuel pump guide — symptoms and replacement for Malaysian families.
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🔧Proton X90 Fuel Injector Service Malaysia
Fuel injector maintenance for Proton X90 TGDi engine to prevent carbon deposits in Malaysia.
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🌡️Proton X90 Radiator Replacement Malaysia
Radiator maintenance and replacement guide for Proton X90 D-SUV under heavy family load in Malaysia.
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🌡️Proton X90 Thermostat Malaysia
Thermostat replacement and cooling system guide for Proton X90 7-seat SUV in Malaysian heat.
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⚠️Proton X90 Head Gasket Malaysia
Head gasket failure signs and repair costs for Proton X90 turbocharged engine in Malaysia.
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🔩Proton X90 CV Joint Malaysia
CV joint replacement for Proton X90 D-SUV under heavy passenger and cargo load in Malaysia.
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🪟Proton X90 Window Regulator Malaysia
Power window regulator issues and repair guide for all rows of Proton X90 in Malaysia.
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🔴Proton X90 Check Engine Light Malaysia
Check engine light fault codes and diagnosis for Proton X90 1.5L TGDi 7DCT in Malaysia.
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🚨Proton X90 ABS Warning Light Malaysia
ABS and ESC warning light diagnosis for Proton X90 full-size SUV in Malaysia.
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📋Proton X90 100,000 km Service Malaysia
Major 100,000 km service items and estimated costs for Proton X90 7-seat D-SUV in Malaysia.
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📄Proton X90 Car Insurance Malaysia
Proton X90 insurance premiums, add-on coverage options, and NCD guide for Malaysian owners.
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💰Proton X90 Spare Parts Price Malaysia
Price comparison for Proton X90 genuine vs aftermarket spare parts in Malaysia.
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✅Proton X90 Puspakom Guide Malaysia
Puspakom inspection checklist and tips for Proton X90 7-seat D-SUV registration in Malaysia.
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💧Proton X90 Rocker Cover Gasket Malaysia
Valve cover oil leak repair and gasket replacement for Proton X90 1.5L TGDi in Malaysia.
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🔧Proton X90 Throttle Body Cleaning Malaysia
Throttle body cleaning for Proton X90 to restore smooth power delivery under full 7-seat load.
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💡Proton X90 Headlight Upgrade Malaysia
Matrix LED and projector headlight upgrade options for Proton X90 D-SUV in Malaysia.
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🔄Proton X90 Tyre Rotation Malaysia
Tyre rotation schedule for Proton X90 D-SUV to maintain stability under heavy loads in Malaysia.
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🌧️Proton X90 Wiper Blade Replacement Malaysia
Wiper blade replacement guide for Proton X90 front and rear wipers in Malaysian monsoon season.
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🔍Proton X90 Oxygen Sensor Malaysia
O2 sensor replacement guide for Proton X90 TGDi 7DCT to restore fuel efficiency in Malaysia.
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🔩Proton X90 Suspension Arm Malaysia
Suspension arm and bushing replacement for Proton X90 7-seat SUV on Malaysian road conditions.
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🏎️Proton X90 Stabilizer Bar Malaysia
Stabilizer bar link and bushing wear on Proton X90 D-SUV — diagnosis and replacement in Malaysia.
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🔬Proton X90 Workshop Cases Malaysia — 4M Car Care
Real X90 cases: 2023 X90 28,000 km DCT shudder — SC software update resolved without fluid change. 2023 X90 32,000 km 48V BSG amber light — BSG belt tensioner inspection, belt adjusted. 2024 X90 45,000 km rough cold idle — carbon starting at 3-cylinder bank, walnut blast scheduled. 2023 X90 EPB fault after dead 12V — Proton SC full registration resolved. Early model: software issues dominant over mechanical.
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