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Toyota Hilux 2005-2013 factory workshop and repair manual download

Safety first — do this only if you accept the risks. Fuel is highly flammable, fuel-system work can cause fire, injury or expensive engine damage if done incorrectly. Work outdoors or in a very well‑ventilated area, have a suitable fire extinguisher at hand, wear eye protection and gloves, disconnect the negative battery terminal before starting, and if you’re unsure at any point stop and consult a professional. Consult the specific Toyota Hilux repair manual for your year/engine for torque specs and model‑specific steps.

Tools and safety gear (each tool described and how to use it)
- Safety glasses
- Protects eyes from fuel spray and debris. Wear the whole time you’re working around the fuel system.
- Chemical‑resistant gloves (nitrile)
- Protects skin from fuel and solvents. Disposable nitrile is fine for handling fuel and parts.
- Fire extinguisher (ABC rated)
- Required safety device in case of ignition.
- Jack and jack stands (if you must get under the vehicle)
- Use the jack to lift and pair jack stands under proper lift points; never rely on the jack alone.
- Wheel chocks
- Prevents vehicle roll while working; always chock wheels before jacking.
- Basic metric socket set with ratchet and extensions
- Used to remove bolts securing the fuel rail, intake components, and brackets. Use correct socket size to avoid stripping bolts. Extensions let you reach recessed fasteners.
- Torque wrench (metric, 0–150 N·m range)
- Ensures fuel‑rail and intake bolts are tightened to factory torque specs (required to avoid leaks or stripped threads). Set and apply torque per manual when reassembling.
- Combination wrenches (metric)
- Handy where sockets won’t fit; used on fuel lines, bolts or sensor fittings.
- Flat and Phillips screwdrivers
- For hose clamps, clips and prying small clips. Use the right size to avoid camming or breaking clips.
- Needle‑nose pliers and locking pliers (Vise‑Grips)
- Pulling and holding connectors, clamps and stuck components. Locking pliers can clamp a fuel fitting in an emergency but avoid crushing soft fittings.
- Fuel line quick‑disconnect tool (Toyota style)
- Many Hilux fuel feed lines use a spring‑clip quick‑connect. This tool slides into the connector to release the retaining collar so the line can be pulled off without damaging the plastic fitting. Using pliers or screwdrivers risks breaking the connector and causing leaks.
- Fuel pressure gauge with adapter (optional but recommended)
- Allows you to safely verify/relieve pressure and diagnose fuel pressure problems. Connects to the Schrader valve (if present) or adapter point and shows system pressure.
- Small drain pan or fuel‑safe container
- Catch fuel that leaks when lines are disconnected. Fuel is hazardous — use an approved container.
- Clean shop rags and absorbent pads
- For wiping spilled fuel and keeping area clean; soak rags and dispose safely.
- O‑ring/seal pick set
- Removes old injector O‑rings without cutting or scraping the injector bores.
- Replacement O‑ring kit for injectors (OEM quality)
- Injector O‑rings compress and seal the injectors into the rail and intake; they commonly fail when disturbed. Always replace these when removing injectors.
- Small brush and brake cleaner or approved intake cleaner (for light cleaning)
- Clean mating surfaces; don’t use solvents that damage rubber or paint. Use sparingly and keep away from open flames.
- New fuel filter (if in service interval)
- If the Hilux fuel filter is serviceable, replace it at the same time to reduce contamination risk.
- Replacement fuel rail (if damaged) and/or injectors (if faulty)
- If the existing rail is cracked, corroded, or fitted with damaged fittings, replace it. Faulty injectors cause rough running and should be replaced or bench‑tested and serviced. OEM or high‑quality aftermarket parts recommended.
- Injector puller (optional)
- Helpful if injectors are stuck in the rail or intake; it pulls injectors straight without twisting them. If you don’t have one you can carefully pry evenly, but risk damage.
- Manual or access to factory service data
- Contains exact removal order, torque specs, and model‑specific cautions — strongly recommended.

Why some extra tools are required
- Fuel line quick‑disconnect tool: Toyota quick‑connects are plastic and use internal clips — the tool releases the clip safely. Forcing the connection with pliers often breaks the fitting and requires replacing the fuel line or rail.
- Torque wrench: Proper torque prevents leaks and avoids stripped threads, especially on fuel‑system fittings and intake manifold bolts.
- Fuel pressure gauge: Relieving system pressure correctly avoids fuel spray and allows diagnosis of pressure-related problems.
- Injector O‑ring kit: O‑rings compress and harden; replacing them prevents leaks. Removing injectors without replacing O‑rings risks immediate leak when you pressurize the system.

Step‑by‑step overview (general; adapt to your model and follow factory manual)
- Prepare
- Park on level ground, chock wheels, work in open air, disconnect negative battery terminal.
- Relieve fuel pressure: remove the fuel pump fuse/relay and crank the engine a few seconds until it stalls; alternatively use a fuel pressure gauge to bleed the rail. Have rags and a catch pan ready for a small amount of fuel.
- Access
- Remove engine cover, air intake ducting and anything blocking access to the top of the fuel rail and injectors.
- Clean around the rail and injectors so dirt does not fall into ports when injectors are removed.
- Label and disconnect
- Label or photograph each electrical connector, then disconnect injector connectors and any sensor connectors on the rail (fuel pressure sensor, etc.).
- Remove any retaining clips or brackets attached to the rail.
- Disconnect fuel lines
- Place drain pan under the connection. Use the Toyota quick‑disconnect tool to release the feed and return lines; pull the lines straight off once the collar is released. Be prepared for a small fuel drip.
- If lines are bolted (banjo), remove banjo bolts and crush washers; have new washers ready for reassembly.
- Unbolt the fuel rail
- Remove the rail mounting bolts with the socket/ratchet. Keep bolts and any spacers or seals organized.
- Remove fuel rail and injectors
- Gently rock the rail to break injectors free; pull the entire rail plus injectors straight up out of the intake. Use an injector puller if injectors are seized.
- If injectors remain in the intake or rail, remove them carefully. Use the O‑ring pick to remove old O‑rings.
- Inspect parts
- Inspect injector tips, filter screens, and O‑rings. If O‑rings are cracked, flattened, or hard — replace them.
- Inspect the fuel rail for cracks, corrosion, or damaged fittings. If any damage, replace the rail.
- Inspect fuel rail pressure sensor and electrical connectors for corrosion. Replace damaged sensors.
- Consider replacing fuel filter (inline or in-tank depending on model) while you’re servicing the system.
- Replace parts as needed
- Injectors: if you have performance issues, rough idle, misfire, or a leaking injector, consider replacing or professionally testing them. New injectors come with new O‑rings; otherwise install new O‑rings and lubricate with clean engine oil.
- O‑rings/seals: always fit new O‑rings on injectors when reinstalling. Lightly coat O‑rings with engine oil to prevent tearing and ensure seating.
- Fuel rail: replace if cracked/corroded or if fittings are damaged. Transfer injectors into the new rail or install new injectors per manufacturer instructions.
- Reinstall fuel rail
- Align injectors and push the rail straight down so injectors seat evenly. Do not force at an angle — risk of O‑ring pinch or injector damage.
- Reinstall and torque fuel rail mounting bolts to factory spec with torque wrench.
- Reattach fuel lines (use new crush washers for banjo fittings; push to click on quick‑connects until you feel/ hear the lock).
- Reconnect electrical connectors and any sensors.
- Reinstall removed engine covers and intake components.
- Repressurize and check for leaks
- Reinstall the fuel pump fuse/relay, reconnect battery negative terminal.
- Turn ignition to ON (do not start) to let the electric pump prime the system. Watch for leaks at all fittings and around injectors. Repeat ON a few times and check again.
- Start engine and inspect for leaks while idling. Smell for fuel and watch for drips for several minutes.
- Final checks
- If no leaks and engine runs normally, road test briefly and recheck. If leaks, shut off engine immediately and fix the leak before driving.
- Dispose of fuel‑soaked rags and old parts according to local hazardous waste regulations.

When part replacement is required, why, and what to buy
- Injector O‑rings
- Why: age and heat harden O‑rings, causing leaks at the rail/intake. Replace every time injectors are removed. Buy OEM‑grade O‑ring kits sized for your Hilux injector type.
- Fuel injectors
- Why: clogged, leaking, or electrically failing injectors cause misfire, poor fuel economy, or fuel leaks. Replace if bench test shows out‑of‑spec flow or if physically damaged. Buy OEM or quality aftermarket injectors specified for your engine and year.
- Fuel rail
- Why: cracked/stripped fittings, corrosion, or internal damage. Replace if you find external damage or if pressure tests fail. Buy a direct‑fit OEM rail or an exact aftermarket replacement.
- Fuel pressure sensor / regulator
- Why: incorrect pressure causes drivability problems. Replace if sensor reads wrong or regulator leaks. Use OEM or equivalent sensors specific to the model.
- Fuel line/fittings
- Why: damaged or cracked quick‑connects and hoses cause leaks. Replace the damaged line or fitting; quick‑connects are inexpensive but necessary to prevent leaks.
- Fuel filter
- Why: a clogged filter reduces flow and stresses the pump. Replace per service interval or if contamination is suspected.

Common beginner mistakes to avoid
- Not relieving fuel pressure first — causes fuel spray.
- Reusing old O‑rings — almost always causes leaks.
- Using wrong quick‑disconnect method — breaks plastic fittings; use the proper tool.
- Over‑torquing or under‑torquing bolts — causes leaks or stripped threads; use torque wrench and factory specs.
- Working in an enclosed/poorly ventilated area — increases fire and inhalation risk.

If you get stuck or find damaged parts you don’t recognize, stop and consult a Toyota service manual for your exact Hilux year/engine or have a professional mechanic complete the repair.
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