Q: How do I set the clock?

Your car is equipped with power windows. Each door has a control for its own window, while the driver position has controls for all four, as well as the window lock button. The driver side window also has a one-touch...

Hello! Thank you. In the case of possibly purchasing a new vehicle, it is always recommended to have an inspection done first. This allows for the mechanic to determine what types of repairs may be needed now, or in the...

This may be a sign of a faulty MAP sensor. The Manifold Absolute Pressure (MAP) sensor senses engine load and generates a signal that is proportional to the amount of vacuum in the intake manifold. The engine computer then uses...

Hello - this problem will require the fuel system to be completely drained, flushed with fresh fuel and drained, then refilled with fresh fuel. Change the fuel filter AFTER the first flush with fresh fuel to be sure all bleach...

Hi there. Locate the crankshaft position sensor and check for power to it with the key on. If there is power, then with using a paper clip to back probe the wiring with the plug installed on the sensor, check...

Hi There, This may be a sign of low transmission fluid (https://www.yourmechanic.com/services/transmission-fluid-service) or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer...

Hello - the crankshaft on the 3.7l LLR engine does in fact have the same stroke as the L52 3.5l engine in your H3, so there is a good chance it is compatible. Check with your Hummer parts specialist for...

Hi there. Thanks for writing into YourMechanic.com. In regards to the service that is required for your vehicle coming up, you might find this online tool very helpful (https://www.yourmechanic.com/scheduled-maintenance). Our scheduled maintenance portal outline all of the scheduled maintenance that...

It sounds like you may have a faulty coolant fan relay (https://www.yourmechanic.com/services/cooling-fan-relay-replacement). The coolant fan relay helps to maintain the proper coolant temperature by turning on and off at specific temperature thresholds. When this relay is not working properly, this...