* Power Steering Fluid: This is the most common cause. Cold weather thickens power steering fluid, making it harder for the pump to circulate. Check the fluid level. If it's low, top it off with the correct type of fluid (consult your owner's manual). If the fluid is old, dark, or looks burnt, it needs to be flushed and replaced. Low fluid could also indicate a leak somewhere in the system.
* Power Steering Pump: The pump might be wearing out or failing. A weak pump struggles to move the thickened fluid when cold. Listen for unusual noises (whining, groaning) from the pump, especially when turning the steering wheel.
* Power Steering Rack and Pinion: This is the mechanism that converts the steering wheel's rotation into movement of the wheels. Worn seals or internal components can cause stiffness, especially when the fluid is cold and less effective.
* Power Steering Hoses: Cracked or deteriorated hoses can restrict fluid flow, leading to stiff steering. Inspect the hoses for any visible damage.
* Fluid Leaks: Even a small leak will eventually cause low fluid levels, leading to hard steering. Look carefully under the vehicle for any signs of fluid leaks.
What to do:
1. Check the power steering fluid: This is the easiest and cheapest thing to do first. Check the level and condition of the fluid. If low, top it off (with the correct fluid!), but if it's old and dirty, it's best to have it flushed and replaced.
2. Listen for noises: Pay attention to any unusual noises coming from the power steering pump while turning the wheel.
3. Inspect hoses and connections: Look for any signs of leaks, cracks, or damage to the hoses and connections.
4. Professional Inspection: If the problem persists after checking the fluid and hoses, take your Dakota to a qualified mechanic. They can diagnose the problem more accurately and perform the necessary repairs. They may need to test the pump, rack and pinion, and other components.
Ignoring the problem could lead to more serious and expensive repairs down the line. Addressing it promptly is recommended.