Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA2008HIGHLANDER 2WD V6-3.5L (2GR-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONRELAYS AND MODULES - FUEL DELIVERY AND AIR INDUCTIONMAIN RELAY (COMPUTER/FUEL SYSTEM)SERVICE AND REPAIRINSTALLATION
2008 Toyota Highlander 2WD V6-3.5L (2GR-FE)
Installation
2008 Toyota Highlander 2WD V6-3.5L (2GR-FE)SECTION Installation
2GR-FE ENGINE CONTROL SYSTEM: INTEGRATION RELAY: INSTALLATION
INSTALLATION
1. INSTALL ENGINE ROOM JUNCTION BLOCK ASSEMBLY
(a) Connect the 4 connectors.
(b) Attach the engine room junction block assembly.
2. INSTALL NO. 1 RELAY BLOCK COVER
(a) Install the No. 1 relay block cover.
3. INSTALL RESERVOIR BRACKET Installation
4. INSTALL BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY Installation
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.