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Bad Jeep Parts and Processes

Bad Jeep Parts and Processes

I Speak Jeep Mar 11, 2026 85 min
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About this episode

The hosts dive into frustrations with Jeep parts quality and manufacturing processes, focusing on recurring failures in cooling systems, particularly Griffin radiators. They discuss how manufacturers prioritize cost and speed over durability, leading to widespread issues even with OE parts. Personal experiences with coolant leaks and radiator failures highlight the challenges Jeep owners face. The conversation also touches on the aftermarket's role in trying to solve these problems and the importance of accountability in the supply chain. The episode blends technical insights with casual banter and community interaction.

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Technical Too Afraid to Ask
Term

four-wheel drive

"In my oversized four-wheel drive Jeep A Jeep podcast starring industry experts"

Four-wheel drive means the car can send power to all four wheels at the same time, which helps it drive better on slippery or rough roads.

Concept

Easter Jeep Safari

""...And we're just about to get into the Easter Jeep safaris""

The Easter Jeep Safari is a big event where people who like Jeep vehicles go to drive on rough trails and show off their cars. It's a fun gathering for Jeep fans and sometimes new Jeep models are shown there.

Part

cap rotor plugs and wires

""I got the cap rotor plugs and wires changed on the TJ""

The cap, rotor, plugs, and wires help your car's engine start and run smoothly by sending electricity to the right places. Changing them keeps your car working well.

Car

Jeep TJ

""I got the cap rotor plugs and wires changed on the TJ""

The Jeep TJ is a type of Jeep Wrangler made between 1997 and 2006. It's popular for off-road driving and has a strong, simple suspension system.

Part

diff fluid

""As well as the front and rear diff fluid on the Gladiator""

Diff fluid is a special oil that helps the parts in your car's wheels move smoothly. Changing it keeps your car's wheels working well, especially if you drive off-road.

Car

Jeep Gladiator

"As well as the front and rear Diff fluid on the Gladiator It was productive"

The Jeep Gladiator is a truck that can drive on rough roads and carry heavy stuff. Changing the fluid in parts called differentials helps the truck work better and last longer when driving off-road.

Company

Griffin Radiators

"I'm real fired up. So Griffin radiators and Felpro are at the top of my list of my crap list."

Griffin Radiators makes parts that help keep your car's engine cool, like radiators. These parts are often used when fixing or improving cars.

Company

Fel-Pro

"So Griffin radiators and Felpro are at the top of my list of my crap list."

Fel-Pro makes special seals called gaskets that help stop leaks in your car's engine. These seals are important when fixing or rebuilding engines.

Company

AutoZone

"I'm also going to throw out AutoZone's Bering idler assemblies"

AutoZone is a store where you can buy car parts and accessories to fix or upgrade your vehicle.

Term

OE parts

"Sometimes you even get OE parts in their box Right Which would be fantastic if we did that"

OE parts are the same parts that came with your car when it was new, so they usually fit better and last longer.

Car

Wrangler Rubicon

"Correct On my own 21 Gladiator Rubicon I've had a smell of coolant for ever"

The Wrangler is a Jeep that can go off-road. If you smell coolant, it might mean the engine is leaking or getting too hot, so it needs to be checked.

Term

pressure test

"Pulled it in and did a pressure test. The middle of the radiator is leaking."

A pressure test is when a mechanic pumps air or fluid into the cooling system to see if it holds pressure. If it doesn't, it means there's a leak somewhere.

Part

winch battery cables

""These winch battery cables were rubbing the radiator and that causes due stress to it""

Winch battery cables are thick wires that carry electricity from the car's battery to a winch, which is a tool used to pull heavy things.

Term

OE production

""Even his 50,000 mile JT radiator is OE production""

OE production means the part is made the same way as the original parts that came with the car when it was new.

Company

Mishimoto

"I feel like we got a complaint about Mishimoto... The guy kind of let back the curtain"

Mishimoto is a company that makes better car parts to help keep engines cool, especially if the original parts have problems.

Part

all metal radiator

"That you're going to buy this all metal radiator It's going to be better than what you have Better than a plastic and metal one"

A radiator is a part that cools your car's engine. An all metal radiator means it is made fully from metal, which helps it last longer and cool better than ones made with plastic parts.

Term

original equipment

"Well and we were also seeing mass failure At the original equipment line"

Original equipment means the parts that the car maker puts on the car when it's new, not parts added later by other companies.

Part

coolant

"Nate was actually asking about coolant Since you were talking about it Scott He's looking to replace a coolant on my 2020 Gladiator"

Coolant is a special liquid in a car that keeps the engine from getting too hot. It moves around inside the engine to cool it down.

Brand

Champion

"We sell some Mishimoto We sell some champion Gosh I'm trying to think of who else we have At the moment, champion's been the best So far"

Champion makes parts for cars, like spark plugs and cooling parts, which help the car run well and not overheat.

Term

flexed

""It looks like it was flexed It's a Jeep That we off-road with Of course The Jeep was flexed""

Flexed means the car's parts bend or twist when driving over bumpy or rough ground.

Term

off-road

""It's a Jeep That we off-road with""

Off-road means driving a car on rough ground like dirt or rocks instead of smooth roads.

Term

warranty

"And they say well Tell us about your warranty And I gotta be honest"

A warranty means the company promises to fix your car if something goes wrong within a certain time. It helps protect you from unexpected repair costs.

Part

transfer case

""You were getting a fully rebuilt transfer case. A new pump, new shift pads as needed. It had seals. It was completely clean.""

The transfer case is a part in some cars that helps send power to both the front and back wheels so the car can drive better on rough or slippery roads.

Term

rebuilt

""You were getting a fully rebuilt transfer case. A new pump, new shift pads as needed. It had seals. It was completely clean.""

A rebuilt part is an old part that has been taken apart and fixed so it works like new again.

Car

Jeep Wrangler

"Isolation to Our Wrangler radiators And before we get off of the cooling s..."

The Jeep Wrangler is a tough SUV that can go off-road easily. Talking about radiators means checking parts that keep the engine from getting too hot.

Part

thermostat

"Hey, I went to my corner mechanic and he did my radiator or he did my thermostat and now I don't have heat"

The thermostat is a part that controls when the engine gets cooled down, making sure it warms up fast and stays at the right temperature.

Term

bleeding the system

"And I took it back and they bled the system for 20 minutes and I still don't have heat"

Bleeding the system means getting rid of air bubbles in the car's cooling system so the heat can flow properly and your heater works.

Part

gaskets

"We wanted to talk about gaskets. Gasket technology in the last 20-25 years has really grown hugely on reliability, ease of assembly, kind of staying put. But we're having this problem with Fel-Pro gaskets specifically."

Gaskets are like seals that stop oil or coolant from leaking out of the engine so it works properly.

Term

head gasket

""We believe that it was a breached Head gasket That's a whole other tech conversation for another day""

The head gasket is like a strong seal inside the engine that keeps important fluids separate and helps the engine work properly. If it breaks, the engine can get very hot and stop working right.

Car

Tesla Semi

"...d I'd love that But then I want to go get in the semi And I want to do big truck things"

The Tesla Semi is a big electric truck that carries heavy loads without using gas. People talk about it because it shows how trucks might change in the future.

Car

Ford Model T

"...als and stuff he was seeing I got Two door sedan model T body I completely took that apart"

The Ford Model T is one of the first cars ever made, a very old and important car. Taking it apart means fixing or learning how these early cars worked.

Car

Chevrolet C10

"And let that run And start up my C10 and let that run So that was also good to hear s..."

The Chevrolet C10 is an old pickup truck that many people like to fix up. Getting it started means it's working again after some repairs.

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