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.
Temperature Sensitivity
2004 Oldsmobile Bravada RWDSECTION Temperature Sensitivity
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- An intermittent condition may occur when a component or connection reaches normal operating temperature. The condition may occur only when the component or connection is cold, or only when the connection is hot.
- The following data may help to diagnose this type of intermittent condition:
- Freeze Frame/Failure Records.
- Scan tool snapshot.
- Vehicle data recorder.
- If the intermittent is related to heat, review the following data:
- High ambient temperatures.
- Underhood or engine generated heat.
- Circuit generated heat due to a poor connection, or high electrical load.
- Higher than normal load conditions, such as towing.
- If the intermittent is related to cold, review the following data:
- Low ambient temperatures. In extremely low temperatures, ice may form in a connection or component. Test for water intrusion.
- The condition only occurs on a cold start.
- The condition is not present after the vehicle warms up.
- Information from the customer may help to determine if the trouble follows a pattern that is temperature 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.