Even the most venerable vehicles can have some minor flaws when they are engineered and designed. One such system turns out to be the blower motor speed controller for millions of GM trucks and SUV’s. This particular problem only applies to vehicles with automatic temperature control systems. This information applies to the following vehicles: 2003-2006 Silverado/Sierra,  2003-2008 Chevrolet Trailblazer, Buick Rainier, GMC Envoy, 2003-2006  Escalade, Tahoe, Yukon, Suburban, Avalanche Initial failure symptoms usually consist of one or more of the following issues: Blower Motor Stays Running Even When Truck Is Off Blower Motor Doesn’t Work Consistently, (Will turn on randomly)...

Vehicles with the Ecotec 2.0L, 2.2L or 2.4L engine may have an undersized oil drain plug thread insert that was installed incorrectly or has moved during the re-installation of the drain plug while doing an oil change. Once the insert has moved, the threads have a much higher chance of stripping. Stripped drain plug threads can cause the drain plug to loosen or not tighten, resulting in an oil leak. Another common occurrence of an oil leak comes from the vehicle bottoming out, hitting the oil pan, and causing a crack.  This condition is most common in the Chevy HHR. Oil Pan Replacement 1.) Remove...

The automotive heater system is often not thought about during the warm months of the year. But during the winter, when that heater doesn’t work correctly, you realize it fast! Basic Description  of How the Heater Works So how does the heater in your car work? The internal combustion engine (gas, diesel, natural gas, etc..) creates an excessive amount of heat whenever the engine is running. This is because there are literally thousands of small fiery explosions inside the engine every minute. All this excess heat usually gets dumped back into the outside air via the radiator. But the passenger...

Do you have a coolant leak on your Heavy Duty Truck? Why is this tube failing?  There are no moving parts, is it just a poorly designed part? Or is it the environment in which a coolant tube operates? APDTY has been able to target the most failure-prone coolant tubes, the ones you have to replace at an alarming rate. These coolant tubes have beefed up the weak spots. Redesigned from the cheap low-grade steel and replaced with high-quality stainless. The result is a more reliable solution for you and your truck. Call our customer service line at 866-770-2771 for more information.

1999-2002 GM Full-Size Vehicles with the 4.8L, 5.3L or 6.0L engines with the EGR Tube option. This part fits 85 GM vehicles with various options. Click here for an overview of the intake manifolds fitment. GM has two designs of fuel systems, returned or returnless. The difference is in the fuel pressure regulator, either mounted on the fuel rail or on top of the fuel pump. The most common fuel system is the returned style. If installing this intake manifold on a returnless system, there is no modification of the vacuum routing necessary. Adding the vacuum source for the fuel pressure regulator can be done in...