Popular questions

The brown junk is your radiator is the result of the dexcool coolant that General Motors uses in their vehicles. If the coolant is not routinely flushed out and replaced periodically it will break down. If air gets into the...

Hello. Thanks for writing in. The vehicle's malfunction with the exhaust system has likely caused the catalytic converter to fail. Unless there is a foreign object in the tail pipe clogging the airflow, it is the catalytic converter which is...

Unfortunately, without re-threading the bolt hole, the control arm may need to be replaced. In some cases, re-threading is a viable fix, however depending on the severity, it does not always work. I would suggest having a professional from YourMechanic...

Hi Mavis. Thanks for writing in today. When the power steering light is illuminated, it can be caused by multiple component failures, ranging from a faulty or loose sensor, to electrical or mechanical failures including a damaged power steering pump,...

No, not without issues. GM changed all the wire harnesses and computer systems along with the sensors and engine mountings would have changed. The engine may be the same size, but it is different in a lot of ways which...

While your headlights shouldn’t need to be adjusted for a very long time, it’s possible that carrying heavy loads or even minor impacts could affect their aim. This has obvious implications for driving at night or during other times when...

Hey there. The valve tappets are under the camshafts, and in order to replace the bad ones, or ones that need clearance adjustments by replacing lash adjuster, you would need to have camshafts removed. This is a major job to...

The sensor output (from that wheel position) can be viewed on a scan tool and/or an oscilloscope. Once you confirm the output is there, and the waveform is correct, you should trace the circuit back to the ABS controller or...

Hello there, a few common faults will cause your 2007 Chevrolet Colorado to have brake lights that do not illuminate. In many cases the bulbs are the most common failure, these bulbs are dual filament and are responsible for the...

It sounds like this fault may have more going on than just the fuel delivery issue. The vehicles ECU will command the fuel pump to turn on normally when a vehicle is started. If the car only primes for the...

When a timing belt breaks it will typically just snap without warning, and when it does, you will damage the motor from possible bent valves. It would be safest to follow the recommendation and have it replaced to avoid any...

Hello. When the Check Engine Light is on in the dashboard, this is an indication that there is a problem that needs to be addressed. The only way to make the engine light go out permanently is to fix the...

Hi John. You likely have a damaged fuel pump or a faulty fuel pump relay that is the root source of your stalling issues. However, it could also be a faulty mass air flow sensor or other fuel/ignition system component...

Hi, thanks for writing in. In nearly 40 years of working on cars, and 30 years of anti-lock brake systems, I've never seen or heard of a single vehicle needing a "whole new ABS system" at one time, unless it...

The oil change process is generally a very simple one, but it does involve moving panels and some shops do a brief inspection on the vehicle as well. It is not likely that the Check Engine Light coming on is...