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 160 (IMA SYSTEM)IPU CASE REMOVAL/INSTALLATION
2008 Chevrolet HHR LT, 2.4 P, Automatic
IPU Case Removal/Installation
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION IPU Case Removal/Installation
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.
IMA components are located in this area. The IMA is a high-voltage system. You must be familiar with the IMA system before working on or around it. Make sure you have read the IMA service precautions before doing repairs or service.
- Make sure the ignition switch to LOCK (0).
- Do the 12 volt battery terminal disconnection procedure (see 12 VOLT BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
- Remove the IPU module air duct (see IPU MODULE AIR DUCT REMOVAL/INSTALLATION ).
- Remove the IPU cover (see IPU COVER REMOVAL/INSTALLATION ).
- Remove the PCU lid (see step 2 on MOTOR CONTROL MODULE (MCM) REMOVAL/INSTALLATION ).
- Remove the IMA motor power cables (A).NOTE: Check the position of the U phase, V phase, and W phase cables before disconnecting the IMA motor power cables.
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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.