2023 - 2026 Lexus RX 350 Torque Specs & Fluid Capacities
Complete factory maintenance specifications, fluid types, fill capacities, and critical fastener torque values retrieved directly from Toyota/Lexus technical service databases. Verified by a 10-year Lexus Master Technician.
⚡ Quick Reference: Oil Change & Critical Specs
Fast-Track DIY Kit: 2023 - 2026 Lexus RX 350 Exact Fit
Order verified OEM filters, fluid, and specialized sockets on Amazon Prime before servicing:
Master Tech Insider Pro-Tips
Crucial field experience & common DIY pitfalls to avoid on the 2023 - 2026 Lexus RX 350
M14 Wheel Lug Bolts Require 103 ft-lb (Not Old 76 ft-lb!)
Starting with the 2023 redesign on the GA-K platform, the RX 350 ditched wheel studs and 21mm lug nuts. It now uses European-style M14 x 1.5 wheel lug bolts requiring exactly 103 ft-lb (140 N·m) with a 17mm socket. Crucially, factory wheels feature a spherical (ball seat) recess. NEVER install aftermarket 60° conical tapered bolts or torque to the old 76 ft-lb spec, which will cause the wheel to loosen and shear off.
Dual Cooling System: Two Separate Expansion Tanks
The T24A-FTS turbo engine features two completely separate cooling loops with independent expansion tanks: the main 9.1-quart engine block loop and the 3.7-quart intercooler loop. Never mix coolant types—use only Toyota Super Long Life Coolant (Pink). Bleeding the turbo intercooler loop requires activating the electric auxiliary water pump via an OBD2 scanner↗ (like Autel AP200↗) or Techstream active test.
Electronic Parking Brake (EPB) Service Mode Required
The rear brakes incorporate motorized electronic parking brake actuators. NEVER use a C-clamp or caliper piston press tool to compress the rear pistons without first placing the EPB into service mode via an OBD2 scanner↗ (like Autel AP200↗) or manual service procedure. Forcing the piston mechanically will shatter the internal planetary gear set, requiring a brand new $600 motorized caliper.
Oil Drain Plug Washer Single-Use Warning
Always replace the factory blue aluminum crush washer↗ (90430-12031) at every oil change. Torquing the 14mm steel bolt to 30 ft-lb with a crushed or reused washer will strip the soft aluminum oil pan threads or create persistent weeping leaks on garage floors.
🛢️ Complete Fluids & Capacities Table
All Trims & Drivetrains| System / Component | Capacity | Fluid Specification / Viscosity | Fastener Torque | Technician Notes |
|---|---|---|---|---|
| Engine Oil (with filter) | 5.6 US qt (5.3 L) | SAE 0W-20 API SP / ILSAC GF-6A (Full Synthetic) Check Toyota/Lexus 04152-YZZA1 on Amazon ↗ | Drain: 30 ft-lb (40 N·m) 18 ft-lb (25 N·m) | Dynamic Force 2.4L Turbo. Always replace the single-use blue aluminum crush washer↗ (OEM 90430-12031). 14mm drain bolt. |
| Engine Oil (without filter) | 5.3 US qt (5.0 L) | SAE 0W-20 API SP / ILSAC GF-6A | Drain: 30 ft-lb (40 N·m) | Capacity when draining oil pan only without cartridge filter replacement. |
| Automatic Transmission (Direct Shift 8-Speed U881E/U881F) | 2.5 - 2.8 US qt (2.4 - 2.6 L) Drain & Refill (Total: 7.7 qt) | Toyota Genuine ATF WS World Standard Low Viscosity ATF Check Toyota 00289-ATFWS on Amazon ↗ | Drain: 29 ft-lb (39 N·m) Overflow/Check Plug: 15 ft-lb (20 N·m) | Fill Plug: 29 ft-lb (39 N·m) | Sealed 8-speed unit without dipstick. Fluid level MUST be verified at 95°F - 113°F (35°C - 45°C) via overflow tube with engine running. |
| Engine Coolant (Main Engine Circuit) | 9.1 US qt (8.6 L) | Toyota Super Long Life Coolant (Pink) 50/50 Pre-diluted Ethylene Glycol Phosphate-based Check Toyota 00272-SLLC2 on Amazon ↗ | Drain: Hand tight (Plastic radiator petcock) | Main engine thermal loop. Factory interval: 100,000 miles / 10 years initial, then every 50,000 miles. |
| Intercooler Coolant (Turbo Charge Air Circuit) | 3.7 US qt (3.5 L) | Toyota Super Long Life Coolant (Pink) 50/50 Pre-diluted Ethylene Glycol Phosphate-based Check Toyota 00272-SLLC2 on Amazon ↗ | Drain: Hand tight | Independent low-temperature cooling loop dedicated to the water-to-air charge air cooler. |
| Transfer Case (AWD Models) | 0.48 US qt (0.45 L) | SAE 75W-85 Toyota Genuine Hypoid Gear Oil LT (API GL-5) Check Toyota 08885-02506 on Amazon ↗ | Drain: 27 ft-lb (36 N·m) Fill Plug: 27 ft-lb (36 N·m) | Crush washer OEM 12157-10010 required for both drain and fill plugs. |
| Rear Differential (AWD Models) | 0.53 US qt (0.5 L) | SAE 75W-85 Toyota Genuine Hypoid Gear Oil LT (API GL-5) Check Toyota 08885-02506 on Amazon ↗ | Drain: 27 ft-lb (36 N·m) Fill Plug: 27 ft-lb (36 N·m) | 10mm hex bit socket required for drain and fill plugs. |
| Brake Fluid | Approx. 1.0 qt for complete flush | DOT 3 or DOT 4 FMVSS No. 116 DOT 3 / SAE J1703 Check Toyota 00475-1BF03 on Amazon ↗ | Drain: Bleeder Screw: 8.3 ft-lb (11 N·m) | GA-K platform with Electronically Controlled Brake (ECB) system. |
🔧 Complete Fastener Torque Specifications
Shop Manual Verified| Category | Component / Fastener | Factory Torque Specification | Socket / Tool Size |
|---|---|---|---|
| Wheels & Tires | Wheel Lug Bolts (M14 x 1.5 Spherical Ball Seat) | 103 ft-lb (140 N·m) | 17mm deep thin-wall socket ↗ |
| Engine & Oil | Oil Pan Drain Plug (14mm Hex) | 30 ft-lb (40 N·m) | 14mm Socket ↗ |
| Engine & Oil | Oil Filter Cap Housing | 18 ft-lb (25 N·m) | 64mm 14-flute filter wrench ↗ |
| Engine & Oil | Oil Filter Housing Drain Plug | 9 ft-lb (12 N·m) | 3/8-inch drive ratchet |
| Engine & Oil | Spark Plugs (Iridium) | 13 ft-lb (18 N·m) | 14mm thin-wall bi-hex socket ↗ |
| Brakes (Front) | Front Caliper Slide Pins | 25 ft-lb (34 N·m) | 14mm Socket ↗ |
| Brakes (Front) | Front Caliper Mounting Bracket Bolts | 101 ft-lb (137 N·m) | 17mm Socket ↗ |
| Brakes (Rear) | Rear Caliper Slide Pins | 20 ft-lb (27 N·m) | 14mm Socket ↗ |
| Brakes (Rear) | Rear Caliper Mounting Bracket Bolts | 65 ft-lb (88 N·m) | 17mm Socket ↗ |
| Drivetrain | Transfer Case Drain & Fill Plugs | 27 ft-lb (36 N·m) | 24mm Socket |
| Drivetrain | Rear Differential Drain & Fill Plugs | 27 ft-lb (36 N·m) | 10mm hex bit socket |
🛒 Recommended OEM Parts & Specialist Tools
Exact fitment guaranteed for 2023 - 2026 Lexus RX 350
Carbyne 14mm (9/16") Magnetic Swivel Spark Plug Socket (3/8" Drive Thin Wall)
The essential thin-wall magnetic swivel socket every Lexus DIYer needs for RX, GX, IS, and ES spark plug jobs. Eliminates stuck rubber grommets, dropped plugs, and tight firewall clearance headaches on Bank 1.
17mm Deep Non-Marring Wheel Lug Bolt Socket
Protective nylon-sleeved 17mm thin-wall deep socket designed specifically for 2023+ Lexus RX M14 lug bolts to prevent scratching alloy wheels at 103 ft-lb.
64mm 14-Flute Oil Filter Wrench (Toyota/Lexus Spec)
Precision CNC machined aluminum wrench designed to grip both the flutes and tabs of the Lexus T24A cartridge filter cap without slipping or cracking the housing.
Genuine Lexus/Toyota Oil Filter (04152-YZZA1) 3-Pack
Factory OEM cartridge filter elements including fresh large O-rings and drain tube adapters for mess-free oil changes.
Toyota Genuine Drain Plug Crush Washers (90430-12031) 10-Pack
Authentic OEM coated blue aluminum crush gaskets to ensure a 100% leak-proof seal on your aluminum oil pan.
Mobil 1 Advanced Fuel Economy 0W-20 Full Synthetic (5-Quart)
Exceeds ILSAC GF-6A and API SP standards. Formulated for high-pressure turbocharged engines with advanced wear protection.
Autel MaxiAP AP200 Bluetooth OBD2 Scanner (EPB & All-System)
Reads all Lexus ECUs, triggers EPB brake service mode, monitors live ATF transmission temperature for leveling, and reads RoB data.
TEKTON 1/2-Inch Drive Click Torque Wrench (10-150 ft-lb)
Calibrated dual-direction click torque wrench. Essential for properly torquing M14 wheel bolts to 103 ft-lb.
❓ Frequently Asked Questions
How much engine oil does a 2023-2026 Lexus RX 350 take?
With a new oil filter, the 2023-2026 Lexus RX 350 (2.4L Turbo T24A-FTS) requires exactly 5.6 US quarts (5.3 liters) of SAE 0W-20 full synthetic engine oil. Without filter replacement, it requires 5.3 US quarts (5.0 liters).
What is the wheel bolt torque for a 2023-2026 Lexus RX 350?
The factory wheel torque specification is 103 ft-lb (140 N·m) using a 17mm socket. The 5th generation RX uses M14 x 1.5 wheel lug bolts with spherical ball seats, NOT the older 76 ft-lb lug nuts.
What is the oil drain plug torque for the 2.4L Turbo RX 350?
The oil pan drain plug torque is 30 ft-lb (40 N·m) using a 14mm socket. Always replace the single-use blue aluminum crush washer (OEM 90430-12031).
Does the 2023-2026 RX 350 require premium fuel?
The 2.4L Turbo T24A-FTS engine is rated to run safely on 87 octane regular unleaded or higher. However, using 91+ premium unleaded is recommended for optimal acceleration and maximum horsepower (275 hp).