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 MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 201 (UNDER-DASH FUSE/RELAY BOX)UNDER-DASH FUSE/RELAY BOXREMOVAL AND INSTALLATION - CANADA MODELS
2008 Chevrolet HHR LT, 2.4 P, Automatic
Removal and Installation - Canada models
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Removal and Installation - Canada models
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
- SRS components are located in this area. Review the SRS component locations (see COMPONENT LOCATION INDEX ), and precautions and procedures (see PRECAUTIONS AND PROCEDURES ) before doing repairs or servicing.
- The imoes unit is built into the MICU which is part of the under-dash fuse/relay box. You must register the imoes unit when replacing the under-dash fuse/relay box, or the engine will not start.
Removal
- Do the 12 volt battery terminal disconnection procedure, (see 12 VOLT BATTERY TERMINAL DISCONNECTION AND RECONNECTION )
- Remove the fuse access panel (see FUSE ACCESS PANEL REMOVAL/INSTALLATION ), and remove the driver's dashboard lower cover (see FUSE ACCESS PANEL REMOVAL/INSTALLATION ).
- Disconnect the connectors from the front side of the under-dash fuse/relay box (A).
- Release the lock on the hatch release actuator relay holder (B), then slide it forward to release it from the under-dash fuse/relay box.
- Remove the nuts (C), remove the stud bolts (D) using double nuts (E), then remove the terminal (F).
- Release the lock (G), and pull the fuse/relay box away from the body.
- Disconnect the connectors from the back side of the under-dash fuse/relay box, then remove the under-dash fuse/relay box.
- Carefully remove the relays.NOTE: Do not use pliers. Pliers will damage the relays, which could cause the engine to stall or not start.
Installation
- Install the relays and connect the connectors to the under-dash fuse/relay box (A), then install the under-dash fuse/relay box in the reverse order of removal.
- Remove the double nuts from stud bolts (B), then install the nuts (C) to the stud bolts.NOTE: Apply high strength type liquid thread lock (Loctite 277 or equivalent) to the stud bolts before reinstallation.
- Install the removed parts in the reverse order of removal.
- Do the 12 volt battery terminal reconnection procedure, (see 12 VOLT BATTERY TERMINAL DISCONNECTION AND RECONNECTION )
- If the under-dash fuse/relay box is being replaced, register the immobilizer system with the HDS (see
IMMOBILIZER KEY REGISTRATION
).NOTE: The imoes unit is built into the MICU which is part of the under-dash fuse/relay box. You must register the imoes unit when replacing the under-dash fuse/relay box, or the engine will not start.
- Confirm that all systems work properly.
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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.