Home/Torque Specs/Subaru/Legacy/2015-2019 2.5L H4/Long Block Replacement

2015-2019 Subaru Legacy Long Block Replacement Torque Specs

2.5L H4

Applies to 2015, 2016, 2017, 2018, and 2019 Subaru Legacy

Labor Time:12 hours

🔧 Torque Values20 specifications

Component	lb-ft	Nm	Notes
⚠️ Camshaft Cap Bolts	10	14	Tighten in sequence from center outward, multiple passes
⚠️ Connecting Rod Bolts	33	45	TTY - critical torque plus angle
Cover Bolts	12	16	—
⚠️ Cylinder Head Bolts	48	65	TTY - tighten in sequence plus angle
Electrical Connector Bolts	5	7	—
⚠️ Exhaust Manifold Nuts	22	30	Apply anti-seize, work hot-to-cold
⚠️ Flywheel Bolts	70	95	Often TTY, tighten in star pattern
⚠️ Gasket Bolts	15	20	—
⚠️ Gasket Surface Bolts	15	20	Clean mating surfaces
⚠️ Intake Manifold Bolts	18	25	—
⚠️ Main Bearing Cap Bolts	55	75	TTY - tighten in sequence plus angle
⚠️ Mounting Bolts	35	47	—
⚠️ Oil Drain Plug	26	35	Use new crush washer
⚠️ Oil Pan Bolts	9	12	—
Sensor Bolts	8	11	—
Sensor Mounting Bolts	8	11	—
⚠️ Timing Chain Tensioner Bolt	18	25	Install with pin/clip to compress
⚠️ Timing Cover Bolts - 8mm	18	25	Tighten in sequence
⚠️ Transmission-to-Engine Bolts	41	55	—
Valve Cover Bolts	7	10	Tighten in sequence

⚠️ = Critical torque value | Always verify with vehicle-specific service manual

⚠️ Some critical specs are estimated. Please verify sequence.

Other Jobs with Torque Specs

Long Block Replacement Torque Specs on Other Vehicles

Lincoln Town Car

1990-1997 4.6L V8 Modular

GMC Canyon

2007-2012 3.7L I5

Ford F-250 Super Duty

2011-2016 6.7L V8 Power Stroke Diesel

Kia EV6

2022-2024 GT-Line Dual Motor AWD

Honda Civic

1992-1995 1.5L I4 D15

Audi TT

2016-2023 2.0L Turbo I4

Common Questions

What is the torque spec for long block replacement on a 2015-2019 Subaru Legacy?

The primary torque specification for long block replacement on a 2015-2019 Subaru Legacy is 14 Nm (10 lb-ft). Note: Tighten in sequence from center outward, multiple passes

How many torque specs are there for Subaru Legacy long block replacement?

There are 20 torque specifications for long block replacement on the 2015-2019 Subaru Legacy 2.5L H4, covering all related fasteners and components.

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