Description

Subaru Forester 2009 Service Manual

I’ve had enough calls from guys who bought a used Forester and then cracked a head because they guessed the torque sequence. Don’t be that guy. The Subaru Forester 2009 Service Manual is a 3582-page document that gives you the exact procedures Subaru wrote for their own techs. No aftermarket reprints, no guesses.

Engine Specifications and Overhaul Coverage

Page 1 of the manual lists the SPECIFICATIONS section (SPC). Inside you’ll find the ENGINE sub-section with all the bore, stroke, compression ratios, and firing order. If you’re rebuilding the short block or replacing head gaskets, you need these numbers. The manual walks you through every clearance check and fastener tightening sequence. I’ve used these specs to put together dozens of EJ engines – they’re dead-on.

What Does the Foreword Tell You About This Manual?

Flip to page 4 and read the foreword. It’s blunt: this manual is for maintenance, disassembly, reassembly, inspection, adjustment, and diagnostics. Subaru states it’s for “experienced mechanics,” but any DIYer who follows the procedures can get the job done. The foreword also warns you to use genuine Subaru parts. Good advice when you’re dealing with a boxer engine.

3 Critical Safety Precautions from the Manual

The PRECAUTION section isn’t filler. Subaru lists specific warnings for the Vehicle Dynamics Control system, brake fluid handling, radiator fan, road tests, and airbag modules. One mistake handling an airbag can cost you a trip to the ER. The manual tells you the correct disposal procedure for seat belt pretensioners and the special tool needed for airbag module work. Do not skip this section.

Transmission Section: MT and AT Specs

Transmission work on a Forester requires exact fluid capacities and torque values for the bell housing bolts. The SPECIFICATIONS chapter breaks out MT and AT separately. Need the capacity for the 4-speed automatic? It’s in there. The manual also covers the front differential oil capacity and the AT shift control adjustments. If you’re swapping a clutch or rebuilding the valve body, this is the reference you want.

Get the Right Torque Data from the Specifications Section

The SPC chapter gives you the factory torque specs for the entire vehicle – engine, transmission, steering, suspension, brakes, and tires. I’ve seen aftermarket manuals list generic values that are off by 5-10 lb-ft. That’s enough to cause a leak or stripped threads. Subaru’s own numbers are the only ones I trust. The manual also includes the weight breakdown for turbo and non-turbo models so you know the exact payload limits.

Electrical Diagnostics and Wiring

Electrical problems on these cars can be a nightmare if you don’t have the correct wiring diagrams. The manual’s DIAGNOSIS section covers the testing procedures for the ECM, immobilizer system, cruise control, and lighting system. The GENERAL SCAN TOOL note tells you how to connect and interpret data. I’ve chased more than a few parasitic draws using this manual’s step-by-step diagnosis – it saves hours.

If you’re working on a 2009 Forester and you don’t have this manual, you’re gambling with your time and parts. I’ve been turning wrenches for 28 years and I still reference factory manuals for every job. SUBARU Forester 1998 Service Manual – Section: Not Fully Indexed might help if you’re dealing with earlier models. For the 1999 version, check the SUBARU Forester 1999 Service Manual – Section: Engine Section. And if you need the 2002 model, grab the SUBARU Forester 2002 Service Manual.

For an overview of how OEM documentation compares across the industry, read this Automotive Industry Overview and also check out Automotive Industry Overview.

Frequently Asked Questions

Does this manual cover the 2009 Forester XT turbo model?

Yes, it covers both turbo and non-turbo models.

What makes this manual better than a generic aftermarket repair guide?

Aftermarket books compress 3582 pages of factory procedures into 500 pages of generalities. They leave out critical torque specs, wiring diagrams, and diagnostic routines. This document is the exact same manual Subaru gives their dealers. When you follow the procedure for removing the intake manifold or timing chain, you’re doing it the way the engineers intended. The note section alone covers fastener reuse, static electricity damage, and proper jacking points. That’s detail you won’t find in a $30 paperback. I’ve had to redo work done by guys who followed a Chilton’s – never again.

Access the Factory Manual and put it on your tablet or print the pages you need. It’s the only way to work on a 2009 Forester and get it right the first time.