20 Most Recent 2001 Chevrolet Suburban - Page 5 Questions & Answers

Here's a video frank_quinne suggested as a solution to your problem from YouTube:


Ford Starter Solenoid Troubleshooting, Replacement and Function

Check condition and belt tension for alternator. back of belt should be level with the pulley edges if V belt. If serpentine belt check for cracks on the inside of the belt-- Replace if hard and cracked.

To produce a sound when the horn is pressed, an electromagnet is used to cause a steel diaphragm to move etc--------------------------------------------------------------------------------ADBLUE EMULATION

The 2001 has an 8" sub in the driver side rear storage panel

should be under wire unplug.

Is it just the gauge or is the engine coolant temperature varying? Does the heater seem to vary in temperature when it is on.
It could be a couple of different things.
One could be a malfunctioning temp sending unit, it has lost its calibration.
Two, your thermostat is cycling open and closed from a weak return spring, worn out.
Make sure coolant level is correct and the mixture is 50/50.
Let me know.
Regards,

Check for failing ball joint in the suspension. Sound dry and is binding up.