Steering Effort Hard in One or Both Directions. Pontiac Bonneville 1999

For 1990-2009 cars only

Makes 🢒 Pontiac 🢒 1999 🢒 Bonneville 🢒 Steering 🢒 Power Steering System 🢒 Steering Effort Hard in One or Both Directions

Condition

Cause

Hard steering/lack of assist

•	Magnasteer™ system malfunction (at low speeds). Refer to DTC C1241 Magnasteer Malfunction

•	A worn intermediate shaft coupling

•	A damaged intermediate shaft coupling

•	Tight steering column bearings

•	A sticking flow control valve

•	Insufficient pump pressure

•	Air in the power steering system

•	A low fluid level

•	Excessive internal pump leakage

•	Excessive internal rack and pinion leakage

Momentary increase in effort when turning wheel fast to right or left

•	High internal valve leakage

•	High internal steering gear leakage

•	A sticking pinion spool valve

•	A damaged pinion spool valve

•	Insufficient pump pressure

•	A low fluid level