2015 Honda Civic Bolt Sizes & Torque Specs

Lug nut torque is not verified for this summary. Review the cited evidence and exact hardware application before installation.

This page distinguishes source-backed fields, unresolved conflicts and unverified legacy records for the 2015 Honda Civic. Match the exact hardware and manual conditions before maintenance. A source for one field does not verify the other specifications.

Field evidence: Lug nut torque is not verified; no specification is assumed. Lug nut socket size is not verified; no specification is assumed. Lug nut thread size is not verified; no specification is assumed. Lug nut part number is not verified; no specification is assumed.

Honda and Acura platforms often reuse lug-thread conventions across related models, but the socket and torque must come from this vehicle's own record. Do not substitute a common import socket size for a measured lug nut.

Ninth generation (2012–2015)

The 2015 Civic is the ninth-generation compact (2012–2015), built around the 1.8-liter R18 four-cylinder on most trims, with the 2.4-liter K24 reserved for the Si.

It's a straightforward, DIY-friendly car — but bring a 19mm lug socket, not the 21mm most imports use, because Honda is the outlier here. The oil-drain crush washer is single-use, so replace it every change instead of torquing harder to stop a weep.

Common fastener categories on the 2015 Honda Civic

Repair guidance for this model year

For 2015 model-year work: This era introduced widespread torque-to-yield (TTY) bolts on head, main, and crank pulley fasteners. TTY bolts stretch permanently when torqued and must not be reused — the spec calls for a fresh bolt every time. Always verify TTY status against the FSM before reassembly.

Tools you will need

Frequently asked questions

What is the lug nut torque on a 2015 Honda Civic?

Specification not verified for this lug nut summary. Do not substitute another model year's value. Field evidence: Lug nut torque is not verified; no specification is assumed. Lug nut socket size is not verified; no specification is assumed. Lug nut thread size is not verified; no specification is assumed. Lug nut part number is not verified; no specification is assumed.

What socket size do I need for the 2015 Honda Civic lug nuts?

Confirm the socket against the actual lug nut; no size is assumed here.

Are the 2015 Honda Civic fasteners metric or SAE?

Metric and SAE hardware can both appear on one vehicle, depending on the component and exact application. Use the individually verified field and the actual fastener or service manual rather than inferring a standard from the model year, make or generation. Bolt-head markings can help identify the hardware at the bench.

Other Honda Civic years

Same model, different model year — fastener spec may change. Always confirm against the year for your VIN.

→ 2015 Honda Civic oil drain plug torque & size

→ 2015 Honda Civic suspension & steering torque specs (control arm, ball joint, tie rod)

→ 2015 Honda Civic brake job torque specs (caliper, bracket & slide pins)

→ Full 2015 Honda Civic maintenance schedule (intervals, costs & free tracker) on ServiceSageAuto

36 recorded 2015 Honda Civic fasteners

Per-field evidence and legacy records for the 2015 Honda Civic. A verified torque does not verify socket size, thread or part number. Unverified records are not installation instructions; conflicting specifications are withheld. 9 of the 36 records carry legacy review labels (last reviewed June 2026); those labels do not verify individual fields.

Wheels — 2015 Honda Civic

Wheel fastener records and field evidence for the 2015 Honda Civic. Lug Nut (Wheel Hub). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Brakes — 2015 Honda Civic

Brake fastener records and field evidence for the 2015 Honda Civic. Brake Caliper Bracket (Knuckle). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Front Caliper Bracket Bolt (Front Brake Caliper Bracket). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Brake Caliper Bolt (Caliper). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Engine — 2015 Honda Civic

Engine fastener records and field evidence for the 2015 Honda Civic. Oil Cooler Line (Oil Cooler). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Spark Plug (Cylinder Head). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Cylinder Head Bolt (Engine). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Timing Chain Tensioner (Front Cover). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Earth Strap Bolt (Transmission). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Rocker Arm Bolt (Cylinder Head). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Turbo Heat Shield Bolt (Turbo). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Radiator Mount (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Connecting Rod Bolt (Engine). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Oil Drain Plug (Oil Pan). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Drivetrain — 2015 Honda Civic

Drivetrain fastener records and field evidence for the 2015 Honda Civic. Axle Nut (Front Hub/Spindle). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Suspension — 2015 Honda Civic

Suspension fastener records and field evidence for the 2015 Honda Civic. Lower Control Arm Bolt (Subframe). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Wheel Lug Nut (Wheels). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Ball Joint Nut (Control Arm). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Strut Top Nut (Front Strut Mount). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Body — 2015 Honda Civic

Body fasteners on the 2015 Honda Civic. Door Hinge Bolt (Body). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Fender Bolt (Body). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Bumper Bolt (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Interior — 2015 Honda Civic

Interior fasteners on the 2015 Honda Civic. Headliner Clip (Roof). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Door Panel Clip (Door Panel). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Seat Track Bolt (Floor). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Dashboard Brace Bolt (Frame). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. A-Pillar Trim Clip (A-Pillar). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Wheel — 2015 Honda Civic

Wheel fasteners on the 2015 Honda Civic. Wheel Weight Clip (Wheel Rim). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Center Cap Clip (Wheel Center). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. TPMS Valve Stem Nut (Wheel Rim). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Wheel Stud (Wheel Hub). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Brake — 2015 Honda Civic

Brake fasteners on the 2015 Honda Civic. Brake Rotor Set Screw (Brake Rotor). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Caliper Mounting Bolt (Brake Caliper). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Caliper Guide Pin (Caliper Bracket). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified. Caliper Bracket Bolt (Knuckle). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

Transmission — 2015 Honda Civic

Transmission fasteners on the 2015 Honda Civic. Shift Cable Bracket (Trans Case). Torque: not verified. Socket size: not verified. Thread: not verified. Part number: not verified.

New to torquing wheels? Read our How lug nut torque works — the complete guide for star-pattern sequence, re-torque intervals, and how to read a lug spec — then compare any source-backed fields on this page with the actual hardware and service manual.

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