Boulder Auto Repair

Your vehicle’s timing belt is one of its most essential components, yet it often goes unnoticed until something goes wrong. A failed timing belt can lead to serious engine damage and costly repairs. In this article, we’ll explain what the timing belt does, why regular replacement is crucial, and how to ensure your engine stays in top shape. What Does a Timing Belt Do? The timing belt ensures your engine’s valves and pistons work in perfect harmony. It synchronizes the rotation of the camshaft and crankshaft so that the engine’s cylinders fire at the right time. If the timing belt fails, this precise coordination is disrupted, leading to engine misfires or, worse, catastrophic damage. It’s important to note, however, that not all vehicles have a timing belt—some use a timing chain, which has different maintenance needs. Why You Might Not Notice a Failing Timing Belt One of the challenges with timing belts is that ... read more

Hey there! It’s John, your friendly neighborhood mechanic, here to answer another one of those questions that might leave you scratching your head. Let’s talk about that little orange light on your dashboard—yep, the check engine light. First off, don’t panic. While the check engine light can be serious, it’s often your car’s way of saying, “Hey, something needs attention.” Here’s what to do: 1. Check for Urgent Issues If the light is solid, it’s usually not an emergency. But if it’s blinking, that’s a red flag—your engine might be misfiring, which can cause damage. Pull over safely and give us a call right away. 2. Tighten the Gas Cap Believe it or not, a loose or damaged gas cap is a common reason for the light to come on. Make sure it’s snug and in good condition. If that was the issue, the light might turn off after a few drives. 3. Pay Attention to Sy ... read more

There’s nothing worse than sitting in a freezing car on a chilly Colorado morning because your heater isn’t working. A malfunctioning heater can turn your winter commute or ski trip into an uncomfortable experience. Let’s explore why your car heater might not be working and what you can do to fix it. Common Reasons Your Car Heater Isn’t Working1. Low Coolant Levels Your heater relies on engine coolant to produce warm air. If the coolant is low due to a leak or insufficient levels, your heater won’t function properly. 2. Thermostat Issues A faulty thermostat can prevent your engine from reaching the correct operating temperature, leaving your heater blowing lukewarm or cold air. 3. Clogged Heater Core The heater core transfers heat from the engine to the cabin. Over time, debris or corrosion can clog the core, restricting the flow of warm air. 4. Blower Motor Problems ... read more

Have you noticed an unsettling rattling noise coming from your Jeep Cherokee? Whether it happens while you’re driving through the streets of Boulder or tackling mountain trails, a rattling sound can be concerning. Here, we’ll break down some common causes and what they might mean for your vehicle. 1. Loose Heat Shields A common culprit for rattling noises in Jeep Cherokees is a loose or damaged heat shield. These metal components protect your vehicle’s underside from the heat generated by the exhaust system. Over time, heat shields can corrode or come loose, creating that telltale rattling sound, especially at lower speeds. Solution: A quick inspection underneath the vehicle can reveal loose or rusted heat shields. Securing or replacing them often resolves the issue. 2. Exhaust System Issues If the rattling noise comes from beneath your Cherokee, your exhaust system might be the source. Damaged exhaust ... read more

Winter in Colorado is breathtaking, but snowy roads and mountain passes can quickly turn a dream drive into a stressful experience. Whether you're heading to Eldora or braving I-70 for a weekend ski trip, being prepared is essential. Here’s your ultimate winter road trip checklist to ensure a smooth and safe journey: 1. Inspect Your Tires Winter tires are a must for Colorado's icy roads. Check your tread depth and tire pressure, as cold weather can cause a drop in PSI. Don’t forget to carry tire chains if you're heading into the mountains—they’re required in certain areas during snowstorms. 2. Check Your Battery Freezing temperatures can drain your car battery quickly. If your battery is more than three years old, consider having it tested. A weak battery in subzero conditions could leave you stranded. 3. Top Off Fluids Make sure your coolant is filled and mixed properly for wint ... read more