2018 Toyota Highlander - Torque Specifications
AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.
Working on this 2018 Toyota Highlander? Run just this one job through Repairius.
No big switch. Write the estimate, text it for approval, and get paid on your phone. Keep everything else the way it is.
14-day free trial · credit card required · cancel anytime
Quick Reference
| Fastener | Torque (ft-lb / Nm) | Notes |
|---|---|---|
| Wheel Lug Nuts | 76 ft-lb (103 Nm) | Star/Cross pattern |
| Oil Drain Plug | 30 ft-lb (40 Nm) | With new crush washer |
| Transmission Drain Plug (Automatic) | 35 ft-lb (48 Nm) | |
| Transmission Drain Plug (CVT) | 29 ft-lb (39 Nm) | |
| Brake Caliper Bracket Bolts (Front) | 90-112 ft-lb (122-152 Nm) | Apply thread locker if specified |
| Brake Caliper Bracket Bolts (Rear) | 58-81 ft-lb (79-110 Nm) | Apply thread locker if specified |
| Brake Caliper Slide Pins | 18-25 ft-lb (24-34 Nm) | Lubricate with silicone grease |
| Front Axle Nut | 118 ft-lb (160 Nm) | Replace nut, stake after torquing |
| Rear Axle Nut | 159 ft-lb (215 Nm) | Replace nut, stake after torquing |
| Spark Plugs | 13-15 ft-lb (18-20 Nm) | |
| Valve Cover Bolts | 70-80 in-lb (8-9 Nm) | Torque in sequence, typically |
| Intake Manifold Bolts | 14-15 ft-lb (19-20 Nm) | Torque in sequence |
Wheel Lug Torque Pattern
The 2018 Toyota Highlander utilizes a star or cross pattern for wheel lug nut installation. This ensures even clamping force across the wheel hub, preventing warping and loosening. Always tighten the lug nuts in opposing sequences until snug, then perform the final torque in the same star/cross pattern to the specified value.
Brake Torque Notes
When servicing the brakes on your 2018 Toyota Highlander, precise torque is paramount for safety and performance. Brake caliper bracket bolts are high-stress fasteners and often require thread locker (like Loctite) as specified by Toyota. Always inspect these bolts for wear and replace them if they appear damaged. Brake caliper slide pins require lubrication with a high-temperature silicone grease to ensure smooth operation and even pad wear; correctly torquing these pins prevents binding and premature wear. Never overtighten brake components, as this can lead to stripped threads, damaged components, or even dangerously compromised braking ability.
Why Torque Matters
Properly torquing fasteners to their manufacturer-specified values is crucial for the safety, reliability, and longevity of your 2018 Toyota Highlander. Under-torquing can lead to fasteners loosening over time, potentially causing components to vibrate, wear prematurely, or even detach entirely—imagine a wheel detaching at speed. Over-torquing, on the other hand, can stretch or strip threads, damage components like gaskets and seals, and even weaken the structural integrity of parts, making them prone to failure. Critical components like those in the suspension, brakes, and engine rely on precise clamping force to function correctly and safely. Always use a calibrated torque wrench and follow the automotive manufacturer's guidelines to ensure every component is secured precisely as intended.
Disclaimer: The torque specifications provided are for informational purposes only. While every effort has been made to ensure accuracy, variations can exist based on specific models, engines, and production changes. For all critical fasteners and procedures, always consult the official 2018 Toyota Highlander OEM factory service manual for the most accurate and up-to-date specifications. Failure to follow proper torque procedures can result in serious mechanical damage or personal injury.
Find a trusted shop on Repairius.
More specs for the 2018 Toyota Highlander
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2018 Toyota Highlander Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
Browse by make
Running an auto or diesel repair shop?
Compare Repairius to the shop software you're paying for
$99.99/month (first location included), unlimited users, 14-day free trial.