Pontiac Bonneville:  Lifter Ticking Diagnosis

One of the most annoying things that you can coming from under the hood of your Pontiac Bonneville is a ticking lifter.  The ticking noise makes it sound like the engine is going to give up the ghost at any time.  There are a few things that can cause a lifter to tick, such as … Read more

Pontiac Bonneville: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Pontiac Bonneville.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Pontiac Bonneville:  Clutch Slipping → Diagnosis

Your Pontiac Bonneville’s clutch provides a direct connection between the engine and transmission.  Without it, it can’t move at all. This connection requires a tremendous amount of pressure.  This guide is intended to help you determine why your clutch is slipping on the flywheel. Note:  This article is for manual cars only.  Here’s the automatic … Read more

Pontiac Bonneville Shifting Hard: Causes + Diagnosis

One of the most common automatic transmission problems is shifting hard.  If your Pontiac Bonneville has a hard shifting transmission, it can be uncomfortable to drive and a sign of serious problems. If your car’s transmission is shifting hard, it can cause a harsh ride and lead to potential damage over time. Numerous factors can … Read more

Pontiac Bonneville:  Warped Rotors → Symptoms & Causes

  Rotors are metal discs that are visible behind the Bonneville’s wheel. They work together with the calipers and brake pads to slow down your Pontiac Bonneville. Due to braking friction, rotors have to withstand and dissipate a tremendous amount of heat. This causes the rotor surface to be uneven making the brake pedal feel … Read more