Pontiac Bonneville Bad Throttle Body: Symptoms + Diagnosis

If your Pontiac Bonneville has a faulty throttle body, it can cause it to run terribly.  Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Your Bonneville’s throttle body controls the amount of air that enters the engine.  You control the throttle body position with … Read more

Pontiac Bonneville: Bad Thermostat → Symptoms & Diagnosis

The thermostat in your Pontiac Bonneville’s engine plays a crucial role in regulating its temperature. A malfunctioning thermostat may lead to various issues and should be dealt with immediately. Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, a blown head gasket, and more. A thermostat failure … Read more

Pontiac Bonneville:  Bad Serpentine Belt

One of the most common issues with a vehicle is a bad serpentine belt.  If you suspect that your Pontiac Bonneville has this problem, we’ll give you the common symptoms below, as well as how to replace it. The good news is that serpentine belts are cheap, and in the grand scheme of things, relatively … Read more

Pontiac Bonneville: Uneven Tire Wear → Causes

  Uneven tire wear can happen at any time in the life of a vehicle.  If your Pontiac Bonneville is experiencing this situation, taking corrective action when you first notice it is important.  Otherwise, you may end up needing a new set of tires.   Pontiac Bonneville Uneven Tire Wear Causes There are a few … Read more

Pontiac Bonneville Low Transmission Fluid: Symptoms and Diagnosis

There are several symptoms to watch for that suggest your Bonneville might have low transmission fluid. Some of these signs include irregular shifting, inability to shift, dashboard warning lights, slipping transmission, and strange noises coming from under the hood. If you suspect that your Bonneville has low transmission fluid, the first thing you should do … Read more

Pontiac Bonneville:  Engine Knock → Causes & Diagnosis

One of the most disconcerting sounds that you can hear coming from your Pontiac Bonneville is the engine knocking.  An engine knock can be a sign of major engine problems.  It is usually caused by, ignition issues, timing issues, worn lower engine parts, and more.  We’ll cover the most common causes below. By definition, an … Read more

Pontiac Bonneville: Transmission Fluid Leak Causes

If you’ve found red fluid under your Pontiac Bonneville, you probably have a transmission leak. A transmission leak is a big deal.  If you let too much transmission fluid leak, the transmission will begin to slip, which can quickly cause long term damage. Unlike oil, transmission fluid is flammable, and will flash if it hits … Read more

Pontiac Bonneville:  Exhaust Leak → Symptoms & Diagnosis

  One of the most common automotive problems is an exhaust leak.  Leaking exhaust can be loud, smelly, and (depending on where the leak is coming from) dangerous.  If your Pontiac Bonneville has a leaking exhaust system, it should not be ignored.   Leaking Exhaust Symptoms:  Pontiac Bonneville A leaking exhaust system affects your Bonneville … Read more

Pontiac Bonneville Engine Rattle: Causes + How to Fix

Experiencing an engine rattle in your Pontiac Bonneville can be quite concerning, but fear not! This is a common issue faced by many Bonneville owners, and understanding the possible causes can have you on your way to a smooth-running engine in no time. In this article, we’ll explore the most common reasons a Pontiac Bonneville … Read more