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What is the head bolt torque sequence for 1990 Chevy Corsica?

The head bolt torque sequence for a 1990 Chevy Corsica is as follows:

1. 9 ft-lbs in sequence

2. 20 ft-lbs in sequence

3. 45 ft-lbs in sequence

4. 65 ft-lbs in sequence

5. 90 ft-lbs in sequence (final)

NOTE: Always follow the service manual for your specific model and engine. These specifications may vary depending on the engine type and year of manufacture.