Saab 9-4X:  Bad Throttle Body → Symptoms + Diagnosis

If your Saab 9-4X has a bad 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 9-4X’s throttle body controls the amount of air that enters the engine.  You control the throttle body position with … Read more

Saab 9-4X: Bad Thermostat → Symptoms & Diagnosis

  Your Saab 9-4X relies on a thermostat to control the temperature of the engine.  When it goes bad, you’ll experience a number of different problems.  Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, blown head gasket, and more.   Symptoms of a Bad Thermostat:  Saab … Read more

Saab 9-4X:  Bad Serpentine Belt

One of the most common issues with a vehicle is a bad serpentine belt.  If you suspect that your Saab 9-4X 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

Saab 9-4X: Uneven Tire Wear → Causes

  Uneven tire wear can happen at any time in the life of a vehicle.  If your Saab 9-4X 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.   Saab 9-4X Uneven Tire Wear Causes There are a few … Read more

Saab 9-4X: Signs of Low Transmission Fluid

Modern automatic transmissions are incredibly good.  They can provide years of maintenance free service.  But, they need transmission fluid to operate.  Over time, your Saab 9-4X‘s Transmission fluid can get low.  By the time you are experiencing the symptoms of low transmission fluid, damage is already being done. Your 9-4X’s transmission fluid is responsible for … Read more

Saab 9-4X:  Engine Knock → Causes & Diagnosis

One of the most disconcerting sounds that you can hear coming from your Saab 9-4X 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

Saab 9-4X: Jerks When Accelerating Diagnosis

A very common problem is when a vehicle jerks when accelerating.  If your Saab 9-4X is jerking when you press the gas, there are a few common issues that can cause this to happen.  These include misfiring, fuel delivery issues, the catalytic converter, and more.   Saab 9-4X:  Jerks When Accelerating Causes Your 9-4X’s engine … Read more

Saab 9-4X: Transmission Fluid Leak Causes

If you’ve found red fluid under your Saab 9-4X, 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

Saab 9-4X:  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 Saab 9-4X has a leaking exhaust system, it should not be ignored.   Leaking Exhaust Symptoms:  Saab 9-4X A leaking exhaust system affects your 9-4X … Read more

Saab 9-4X: Engine Rattle → Causes & Diagnosis

A rattling engine can be very disturbing.  If your Saab 9-4X is experiencing this problem, we’ll cover the most common causes.  A rattling engine can be caused be the exhaust, timing chain, loose accessories, and much more.   Engine Rattling Causes:  Saab 9-4X Here are the most common causes of a rattling sound in your … Read more