Ron Ananian, The Car Doctor -October 18, 2025 - Hour 2 - Sticky Steering, Cold Thermostats & “Intermittent” Compression - (855)560-9900 24/7 Hotline
About this episode
Ron Ananian tackles a variety of automotive issues in this episode, including sticky steering in a 2017 Jeep Wrangler, cold thermostat problems, and intermittent compression in a 2013 Silverado. Listeners call in with their concerns, prompting Ron to provide detailed advice on troubleshooting and potential fixes. He emphasizes the importance of proper lubrication for steering components, diagnosing thermostat issues, and understanding compression problems in engines. The episode is packed with practical tips and insights for DIY enthusiasts and those looking to maintain their vehicles effectively.
In this hour, Ron tackles real-world fixes: a 2017 Jeep Wrangler with sticky steering (steering shaft u-joints + PB Blaster), a P0128 thermostat rate-of-rise code and murky coolant, a 2012 Honda CR-V catalytic converter myth (why cats do wear out), and a 2013 Chevy Silverado low-compression mystery (leak-down tests, borescopes, and a $20 vacuum gauge). Practical diagnostics, parts advice (MotoRad, CRC), and smart ownership tips—all in plain English. If you’re chasing misfires, no-starts, or slow warm-ups, this one’s your roadmap.
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Jeep Wrangler
"Hey, Ron, I got a few issues with my 2017 Jeep Wrangler. It's a four-door."
The Jeep Wrangler is a tough vehicle designed for off-road driving. The 2017 version has different styles and features that make it great for adventures.
The Jeep Wrangler is a compact and mid-size four-wheel drive off-road vehicle known for its rugged design and off-road capabilities. The 2017 model features a variety of trims and options, making it popular among off-road enthusiasts.
white lithium grease
"I'm going to see if they can throw some molly or some Lucas, like white lithium grease or something like that on it."
White lithium grease is a special kind of lubricant that helps keep parts moving smoothly and prevents them from rusting. It's often used in cars to help with metal parts.
White lithium grease is a type of lubricant that is commonly used in automotive applications. It provides excellent protection against rust and corrosion and is ideal for use on metal-to-metal contact points.
electric steering rack
"Is this an electric steering rack? You know, this should be electric assist, as far as steering is concerned."
An electric steering rack helps you steer the car using electric power instead of fluid. It makes steering easier and can save fuel.
An electric steering rack uses electric motors to assist the driver in steering, providing a more responsive and efficient steering feel compared to traditional hydraulic systems. This technology can improve fuel efficiency and reduce weight.
electrohydraulic power steering fluid
"Did they talk to you about special power steering fluid, electrohydraulic power steering fluid that they sent in?"
This is a special fluid used in some steering systems that combine electric and hydraulic power to help steer the car more easily.
Electrohydraulic power steering fluid is a specialized fluid used in systems that combine electric and hydraulic steering technologies. It helps ensure smooth operation and effective power assistance.
PB Blaster
"Sometimes just something as simple PB. Let's use PB Blaster, right?"
PB Blaster is a spray that helps loosen rusty parts on cars. It's useful when you need to take something apart that has rusted together.
PB Blaster is a popular penetrating oil used to loosen rusted or stuck parts. It helps break down rust and corrosion, making it easier to remove bolts and other components.
U joints
"...it's basically two little U joints with trunnion bearings. So, you know, we want to let the PB Blaster get in there and soak and work its way in..."
U joints are parts that help connect different parts of a car's drivetrain. They allow those parts to move freely even when they are not perfectly aligned.
U joints, or universal joints, are mechanical components that allow for the transmission of torque and rotation between two shafts that are not in a straight line. They are commonly found in drive shafts of vehicles, enabling flexibility in movement.
P0128
"...I've got an appointment I made with a mechanic. It's a P0128."
P0128 is a code that a car's computer uses to tell you there might be a problem with the engine's temperature. It usually means the engine isn't warming up properly, which could be due to a broken part.
P0128 is an OBD-II trouble code that indicates the engine coolant temperature is not reaching the expected temperature within a specified time. This can be caused by a faulty thermostat, coolant temperature sensor, or other related issues.
thermostat
"Something to do with the, I think it's a thermostat. You know, it's sticking open. So, it's, you know, it's not, you know, it's not throwing out good heat."
A thermostat is like a switch that helps keep the engine at the right temperature. If it gets stuck, the engine might not heat up properly, which can cause problems.
A thermostat is a component in a vehicle's cooling system that regulates the engine's temperature by controlling the flow of coolant. If it sticks open, it can prevent the engine from reaching optimal operating temperature, affecting performance and heating.
Motorrad
"And we've been, we've been using Motorrad. All right. And haven't had any issues. The Motorrad thermostat works really well."
Motorrad makes car parts, like thermostats, that you can use instead of the original parts from the car manufacturer. They are known to work well.
Motorrad is a brand that produces automotive parts, including thermostats. They are known for providing reliable aftermarket components that can serve as alternatives to original equipment (OE) parts.
coolant
"I had my coolant replaced about two years ago, two years plus. Right. Would I be able to see like, like beautifully colored coolant, you know, or is it going to be like muddy, like, you know, like."
Coolant is a special liquid that helps keep your car's engine from getting too hot. It moves around the engine and radiator to keep everything at the right temperature.
Coolant is a fluid used in vehicles to regulate engine temperature and prevent overheating. It circulates through the engine and radiator, absorbing heat and dissipating it to maintain optimal operating temperatures.
radiator
"And is it a leaky radiator?"
The radiator helps keep your car's engine cool by allowing hot coolant to release heat into the air. This prevents the engine from overheating and getting damaged.
The radiator is a key part of a car's cooling system, responsible for dissipating heat from the engine coolant. It allows the coolant to cool down before it circulates back to the engine, preventing overheating.
mileage
"...I'm at that point, like I'm 75,000 miles,..."
Mileage is how far a car has driven, shown in miles. It's important because it helps you know how much wear and tear the car has experienced.
Mileage refers to the total distance a vehicle has traveled, typically measured in miles. It's an important factor in determining a car's value and maintenance needs.
Suburban
"...you know, my 04 Suburban is still, you know, I take great pride in my stash of parts..."
The Chevrolet Suburban is a large SUV that can carry many passengers and cargo. The 2004 version is one of the older models, known for being reliable and spacious.
The Chevrolet Suburban is a full-size SUV known for its spacious interior and towing capacity. The 2004 model is part of the 11th generation of Suburbans, which were produced from 2000 to 2006.
transmission
"If the trans were to fail in the next 20,000 miles and it's seven to eight grand to put a trans in this, would you do it?"
The transmission is like the car's gear system. It helps the car move faster or slower by changing gears, just like how a bike works with different speeds.
The transmission is a crucial component of a vehicle that transfers power from the engine to the wheels. It allows the vehicle to change gears, which is essential for controlling speed and torque.
turbo
"But what about the, about getting stuck with a turbo?"
A turbo is a part that helps an engine produce more power by pushing in extra air. This allows the engine to burn more fuel and go faster without needing to be bigger.
A turbo, or turbocharger, is a device that forces more air into the engine's combustion chamber, allowing for more fuel to be burned and increasing power output. It's commonly used in modern engines to enhance performance without significantly increasing engine size.
3.6 liter Pentastar V6
"I like the 3.6 liter, the Pentastar V6."
The 3.6 liter Pentastar V6 is an engine made by Chrysler that is used in many of their cars. It's known for being powerful and efficient, making it a popular choice.
The 3.6 liter Pentastar V6 is a versatile engine produced by Chrysler, known for its balance of power and efficiency. It is commonly found in various Chrysler, Dodge, and Jeep models, providing a good blend of performance for everyday driving.
Kia Rio
"Oh, what's going on? I got a little 2007 Kia Rio."
The Kia Rio is a small and budget-friendly car that is easy to drive and park. The 2007 version is known for being economical on gas and is a good choice for everyday use.
The Kia Rio is a subcompact car known for its affordability and practicality. The 2007 model features a fuel-efficient engine and a compact design, making it suitable for city driving.
timing belt
"I'd be curious just to see what the time belt looks like. Does it run good right now?"
The timing belt is a part of the engine that helps keep everything working together smoothly. If it breaks, it can cause big problems for the engine.
The timing belt is a crucial component in an engine that synchronizes the rotation of the crankshaft and camshaft, ensuring that the engine's valves open and close at the proper times. If the timing belt fails, it can lead to severe engine damage.
starter
"Do we have a starter, some sort of mechanical issue starter flywheel, something like that?"
The starter is a part of the car that helps start the engine. If it's not working, the engine won't turn on when you try to start the car.
The starter is an electric motor that initiates the engine's operation by turning it over when you turn the key or push the start button. If the starter fails, the engine won't crank, leading to starting issues.
Chevrolet Express
"...by filling out the paperwork at home and schedule express pickup or home delivery? Done."
The Chevrolet Express is a big van that can carry a lot of stuff or people, making it great for businesses or families. It's built to be tough and can be used for many different purposes, like moving or traveling. People talk about it because it's useful and dependable.
The Chevrolet Express is a full-size van known for its spacious interior and versatility, making it a popular choice for commercial use and families needing extra cargo space. Its robust build and various configurations allow it to serve as a work vehicle, shuttle, or camper. The Express is often discussed for its practicality and reliability in transporting goods and people.
catalytic converter
"I wanted to talk to the lady that had two catalytic converters go out. With my experience with my catalytic converter that they rarely ever go out, let alone twice."
A catalytic converter is a part of your car that helps clean the exhaust gases before they leave the vehicle. If it breaks, it can cause problems with your car's performance and emissions.
A catalytic converter is an essential component of a vehicle's exhaust system that helps reduce harmful emissions by converting toxic gases into less harmful substances. They are designed to last a long time, but can fail due to various reasons, including overheating or contamination.
O2 sensor
"But one guy did tell me an O2 sensor."
An O2 sensor is a part of your car that checks how much oxygen is in the exhaust. It helps the engine run efficiently and can cause issues if it's not working properly.
An O2 sensor, or oxygen sensor, measures the amount of oxygen in the exhaust gases and helps the engine control unit adjust the air-fuel mixture for optimal combustion. A faulty O2 sensor can lead to poor fuel economy and increased emissions.
Honda Crv
"...2012 Honda CR-V. So, you know, that would be my first step."
The Honda CR-V is a small SUV that is good for families because it has a lot of space and is known to last a long time. The 2012 version has some nice technology features and is easy to drive.
The Honda CR-V is a compact SUV known for its reliability, spacious interior, and fuel efficiency. The 2012 model features a comfortable ride and a variety of tech options, making it a popular choice among families and commuters.
chemical reaction
"When it's in that temperature range, it causes a chemical reaction"
A chemical reaction is when substances change into different substances. In a catalytic converter, it changes harmful gases from the car into cleaner gases.
A chemical reaction in the context of a catalytic converter refers to the process where harmful gases like carbon monoxide and nitrogen oxides are transformed into less harmful emissions, such as carbon dioxide and nitrogen, through catalytic processes facilitated by the converter's materials.
oxygen sensor
"...We're looking at oxygen sensor activity, all right. But an oxygen sensor measures the issues..."
An oxygen sensor is a part that checks how much oxygen is in the car's exhaust. It helps the engine run better and keeps emissions low by telling the car's computer how to mix air and fuel.
An oxygen sensor is a critical component in a vehicle's engine management system that measures the amount of oxygen in the exhaust gases. This information helps the engine control unit adjust the air-fuel mixture for optimal combustion and emissions control.
Chevrolet Monte Carlo
"I drove a 72 Monte Carlo in college to 400,000 miles when cars back then were getting 100,000."
The Chevrolet Monte Carlo is a type of car that was popular in the 1970s. The 1972 version is known for its stylish design and was often seen as a sporty vehicle.
The Chevrolet Monte Carlo is a two-door coupe that was produced by Chevrolet from 1970 to 2007. The 1972 model is part of the first generation, known for its classic styling and performance.
Honda That Honda
"...parate items. If you went out to date to replace that Honda CR-V emotions aside, right? Let's keep emotions ..."
The Honda That's is a small car that looks a bit boxy and is very good at saving gas. It's designed to be easy to drive around in cities and has a lot of space inside for a car its size. People like to talk about it because it's different and really practical.
The Honda That's is a compact car that was primarily designed for the Japanese market, known for its unique boxy shape and efficient use of space. It is celebrated for its practicality, fuel efficiency, and ease of maneuverability in urban environments. The Honda That's is often mentioned for its quirky design and functionality, appealing to those looking for a small, efficient vehicle.
$40,000
"So from a non-emotional perspective, $40,000 for a new car or $2,000 a year to maintain it."
$40,000 is the price that the car manufacturer suggests you pay for a new car. This doesn't include extra costs like taxes or dealer fees.
This figure represents the MSRP (Manufacturer's Suggested Retail Price) for a new car, which is the price recommended by the manufacturer for the vehicle before any dealer fees or add-ons.
Chevrolet Silverado
"So let's go to Bob in Virginia, 13 Silverado. What's going on here, Robert?"
The Chevrolet Silverado is a big truck that people often use for work or hauling things. The 2013 version is one of the models made that year.
The Chevrolet Silverado is a full-size pickup truck known for its durability and versatility. The 2013 model features various engine options and is popular for both work and personal use.
low compression
"So I took the mechanic and he told me I had low compression in cylinder number five. Okay."
Low compression means that the engine isn't building enough pressure in one of its cylinders, which can make the car run poorly. It can happen for various reasons, like worn parts inside the engine.
Low compression refers to a situation where the engine's cylinders are not generating enough pressure during the compression stroke. This can lead to poor engine performance, rough idling, and increased emissions. It often indicates issues such as worn piston rings or a blown head gasket.
cranking mechanical compression
"...put a gauge in there. Do I have, do I have physically low cranking mechanical compression? Yeah."
Cranking mechanical compression is the pressure inside the engine's cylinders when you try to start it. If this pressure is low, it can mean there are problems with the engine that might prevent it from running properly.
Cranking mechanical compression refers to the pressure generated in the engine's cylinders during the cranking process, which is essential for starting the engine. Low compression can indicate issues such as worn piston rings or a blown head gasket.
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