Pontiac Bonneville Burning Smell: Causes + How to Fix

A burning smell is one of the most troublesome problems you can experience in a vehicle.  If your Pontiac Bonneville has a burning smell, there are many potential causes.   Typically, the smell is caused by some type of fluid (oil, trans fluid, etc…) hitting the exhaust or other hot parts of the engine or … Read more

Pontiac Bonneville:  Burning Oil Diagnosis

  The engine burning oil is one of the most common problems that a vehicle can encounter, particularly one with high mileage.  If your Pontiac Bonneville is burning oil it is typically caused by piston rings or valve guides.     How Much Oil Consumption is Normal? Most auto manufacturers are hesitant to tell you … Read more

Pontiac Bonneville: Backfiring Causes

  One of the more jarring vehicle problems that you can experience is a backfire.  It sounds like a shotgun blast and can scare you if you’re not prepared for it.  If your Pontiac Bonneville is backfiring, common causes include improper engine timing, bad spark plugs, engine running rich, and plug wires (if so equipped). … Read more

Pontiac Bonneville:  Oil in Coolant Diagnosis

If you’ve recently checked your Pontiac Bonneville’s coolant, and it looks almost like it has butter in it, then you probably have oil in it.  Oil in your coolant is most often caused by a blown head gasket. It can also be caused by a cracked head or even a bad radiator (well sorta, you’d … Read more

Pontiac Bonneville:  Overheating → Symptoms + Causes

One of the worst problems that can happen to your Pontiac Bonneville is overheating.  Common symptoms of overheating include smoke coming from under the hood, a pegged temperature gauge, and (eventually) a blown head gasket. If your Bonneville is overheating, stop driving it immediately to avoid damaging the engine. Ignoring an overheating engine can lead … Read more

Pontiac Bonneville: Window Won’t Go Up Diagnosis

Your Pontiac Bonneville’s windows protect you from the elements, and they protect the interior from damage.  If your window won’t go up, there are a few common issues that can cause this problem.  These include a blown fuse, bad window motor, wiring issues, and the switch.     Power Window Won’t Go Up Causes:  Pontiac Bonneville … Read more

Pontiac Bonneville:  Brake Fluid Leak Causes & Diagnosis

  Your Pontiac Bonneville’s brake system is the most important safety feature on the vehicle.  Without a reliable braking system, it is dangerous to keep driving your Bonneville.  A brake fluid leak is a serious problem.  It is usually caused by a failure of a seal, brake line, master cylinder reservoir, and a few other … Read more