hi, i'm new to this new group thing.
i have a 98 tahoe. a friend has been trying to help me figure out what is going on with my steering. the power assist goes out at about 25 mph aroud sllight curves, its kind of scary, my friend has found some refrences to an evo sensor but we can't find it in and manuals or parts listing.
any help would be great. thanks, kristie
Hi Kristie, there are some very knowledgeable ppl here, but also just fyi there is a excellent (free) forum over at
If you go to the dealer, (which is about the only place that you probably will find the part), they will know what you are talking about, as we have sold literally thousands of them. The EVO sensor is a "sensor" that sits at the base of the steering column. It measures and relays the speed at which you are turning the steering wheel...which in turn tells the valving system in the power steering pump how much assist to provide the driver depending on road speed and how fast you are turning the steering wheel. When the sensor goes south....it will often cause the steering to feel weird at certain speeds as it commands full assist when you don't really need/want it. As a result, you will feel as though the steering all of a sudden over assists.
Replace the sensor and all will be well.
Ian
No, that sounds like a different issue....probably pump related.
Ian
MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.