Nissan QR25DE Engine Problems: Seeing bluish smoke and Code PO420?

It seems as if all of these complaints are quite common with the Altima 2.5L (QR25DE) engine: code PO420, exhaust rattling, and seeing bluish smoke coming from your exhaust. All these symptoms can point to the same cause: a bad exhaust manifold/catalytic converter. The factory catalytic converter is designed to last the lifetime of the vehicle. …

Front Hub Bearing Replacement: Ford Explorer 4×4

Vehicles Affected: 1995-2002 Ford Explorer Wheel Hub Bearing This set of instructions may also be used for 1995-2009 Ford Explorer vehicles, however small variances may be noticed. Here is a great set of instructions for the do-it-yourselfers out their.  We found these while surfing the web. Emmett Ientilucci  actually created these and deserves the credit. …

Ford F-250, F-350, Excursion Front Wheel Hub Bearing Replacement Instructions & Information

Ford F250,F350, & Excursion Super Duty Wheel Hub Bearing Problems Also can be used for 2000 2001 2002 2003 2004 2005 Ford F250 & F350 Super Duty 4X4 Trucks. Ford F250,F350, and Excursion trucks have a complete wheel and hub bearing assembly on each end of the front differential. These basically contain the wheel hub …

How To Remove & Replace a Toyota Corolla/Celica or Geo Prizm Exhaust Manifold & Gasket with 1.6L or 1.8L Engine

Vehicles Affected 1990-1997 Toyota Celica, 1990-1997 Toyota Corolla (w/ O2 sensor in exhaust pipe),  1990-1997 Geo Prism (w/ O2 sensor in exhaust pipe), 1988 Chevrolet Nova Replacement Part Dorman 674-164 1.6l and 1.8l engines General procedure for replacing Dorman exhaust manifold 674-164, on Chevrolet/Geo/Toyota with 1.6L and 1.8L engines. Before starting any repairs, there are …

Fan Clutch Removal Tool: Chevy Trailblazer, GMC Envoy, Ranier, Saab

Also Fits: Oldsmobile Bravada, Buick Ranier, Isuzu Ascender, & Sabb Vehicles GM Part #: 15293048, 25790869, 15192191 Dorman 622-001 Electronic Fan Clutch AKA: Cooling Fan Speed Sensor, Electro-Viscous (EV) Fan Clutch, Electronic Fan Clutch Symptoms that may require fan clutch replacement: Excessive Fan Noise and/or Check Engine Light On Possible Diagnostic Trouble Codes Set: P0495, …

Coil Spring Conversion Instructions: Grand Marquis, Town Car, Crown Victoria

Coil Spring Conversion Installation Instructions Mercury Grand Marquis:  1992 – 2007 Ford Crown Victoria:  1992 – 2007 Lincoln Town Car:  1990 – 2005 Caution! : Working with coil springs can be dangerous. Read and understand these instructions completely before beginning work on the vehicle. Removing original air bags: 1)      Turn off Air suspension switch inside …