How-to Videos for installs and repairs on Cadillac XT4 Cars

Andy shows you where many EVAP related check engine codes come from.

Andy shows you why the throttle body might be causing your vehicle's engine to stall.

Sue shows you why the AC might stop working, even if you just got front accident damage repaired!

If your car or truck is sagging, leaning, or bouncing, check out this video to learn how to find problems with shocks and struts, and improve mileage in the process!

Andy explores the different ways a catalytic converter could become fouled, clogged or damaged, which can lead to reduced fuel mileage by increasing back pressure to the engine!

Sue gives you some easy steps to find the problem with your AC system, and she adds in a few tips to help you do any repairs yourself!

Andy shows you some common bumper damage, how difficult it can be to repair plastic bumpers correctly, and how easy it can be to install a freshly painted new bumper!

Sue explains how the rubber bushing material in engine mounts dries up, cracks, and breaks over time, leading to noise.

Andy shows you how your engine can get too hot, especially while sitting still, if the cooling fan isn't working!

White exhaust, a sweet smell, and overheating are all signs that your car or truck's head gasket is leaking.