Just bought a 2015 Renegade off Carvana. What are the first things I should do for maintenance/upkeep?

1988 Views 24 Replies 9 Participants Last post by DogsRule, 6 mo ago

Hearthing

Discussion Starter · 8 mo ago

Hey all! I'm a new Jeep owner. I've just purchased a 2015 Latitude 4x4 Renegade with 63k miles on it. I was informed by Carvana that it's had an oil change within the last few months (didn't show up on the Carfax, but they said it probably got done during their reconditioning.). I am not trusting a "maybe", so I'm getting its oil changed this weekend. Other than that, what should I be doing with the Jeep to make sure it's road-ready?

On another note, what maintenance do you recommend for making this Jeep last many, many more miles? I plan on changing oil every 5k miles, but other than that I'm not sure what I should be doing besides keeping it clean and looking pretty. Do you use any special engine fluids? Should I use Premium gas? Run it for 10 minutes before I go for a drive?

I'd love to hear suggestions and feedback!

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BryceLi

· #23 · 6 mo ago

Marek K said:
How much of a potential issue are fuel injectors on these engines?

As far as I know, these engines (at least with the turbos) are direct-injection (yes?). For those that might not know, that means the fuel is injected directly into the cylinders, past the intake valves. As opposed to the older common-rail injection systems, where the fuel is injected prior to the valves.

And because fuel in direct-injection engines doesn't "wash" over the intake valves, those valves are particularly susceptible to getting crusted-over with carbon deposits. And nothing in the fuel (detergent additives, SeaFoam) will help with carbon build-up on the valves.

So SeaFoam might help with fuel injectors -- couldn't hurt. But not at all with intake valves.

Congrat on your Renegade! I got my 2015 TH with 80k miles about a year before.

As far as I know, the 2.4L Tigershark used Multi-point fuel injection instead of direct injection, this is why the spark plugs in 2.4L have longer duration than 1.4T. So, the seafoam technically could be helpful. Although my personal experience tells me there is no obvious difference before and after using the seafoam (including put it in fuel tank, oil, and even use the throttle cleaner). Maybe just because my renegade is not old enough for those additives to actually make any differences? 😢

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