Parts Needed for the Ultimate Tune-Up?

[RonJon5406]

Hey Guys my first paycheck since I got my Jeep is coming in soon and I was wondering if you extremely knowledgeable guys could hook me up with a list of parts jeeps need commonly replaced and basically a list for the most detailed tune up ever. It has 110,000 miles for reference and is the 4.0. Thanks

 

[Chris]

You’ll want O2 sensors:

https://wranglertjforum.com/threads/the-official-jeep-wrangler-tj-oxygen-o2-sensor-thread.4068/
And spark plugs:

https://wranglertjforum.com/threads/what-are-the-best-spark-plugs-for-my-jeep-wrangler-tj-4-0.4196/

 

[Goatman]

Visa or Master Card!

 

[Sea Cot]

Visa or Master Card!

This. So. Much. This.

Since the question is ultimate tune up and it's your money. . .

In addition to O2 sensors and spark plugs. . . engine oil, oil filter, air filter, PCV, spark plug wires, (if equipped) distributor cap and rotor, ignition coil, fuel injectors/cleaning depending on mileage and spray pattern, clean battery terminals, replace cables if corroded/cut/etc, clean engine and chassis grounding points, flush cooling system, thermostat, flush brake system, change diff fluid- gear oil, RTV, gasket if desired, transmission fluid, trans filter if equipped, t-case oil. Find all zerk fittings and lube 'em up.

I'm sort of a neat-nik, so anytime something is removed it or the area gets cleaned. Remove a bolt- it gets cleaned on the bench grinder's wire wheel and depending on the application the head gets painted and threads kissed with anti-seize.

I'm also a fan of performing coolant pressure tests, engine compression tests, and cylinder leak-down tests on used vehicles I buy. But, I own the tools and wouldn't necessarily recommend paying a shop for these services if everything seems ok.

 

[G’s Jeep]

This. So. Much. This.

Since the question is ultimate tune up and it's your money. . .

In addition to O2 sensors and spark plugs. . . engine oil, oil filter, air filter, PCV, spark plug wires, (if equipped) distributor cap and rotor, ignition coil, fuel injectors/cleaning depending on mileage and spray pattern, clean battery terminals, replace cables if corroded/cut/etc, clean engine and chassis grounding points, flush cooling system, thermostat, flush brake system, change diff fluid- gear oil, RTV, gasket if desired, transmission fluid, trans filter if equipped, t-case oil. Find all zerk fittings and lube 'em up.

I'm sort of a neat-nik, so anytime something is removed it or the area gets cleaned. Remove a bolt- it gets cleaned on the bench grinder's wire wheel and depending on the application the head gets painted and threads kissed with anti-seize.

I'm also a fan of performing coolant pressure tests, engine compression tests, and cylinder leak-down tests on used vehicles I buy. But, I own the tools and wouldn't necessarily recommend paying a shop for these services if everything seems ok.

You have a certain brand for these components?

 

[pbeach]

2.4L — been running Autolite Iridium XPs. Love 'em. Zero issues.

XP5263 — https://tinyurl.com/yt285wce

... also, NGK 53022 CRX058 wires — www.ngk.com/ngk-53022-crx058-ignition-wire-set

 

[G’s Jeep]

4 banger! I’m a 2.5l

 

[Gilaguy23]

This. So. Much. This.

Since the question is ultimate tune up and it's your money. . .

In addition to O2 sensors and spark plugs. . . engine oil, oil filter, air filter, PCV, spark plug wires, (if equipped) distributor cap and rotor, ignition coil, fuel injectors/cleaning depending on mileage and spray pattern, clean battery terminals, replace cables if corroded/cut/etc, clean engine and chassis grounding points, flush cooling system, thermostat, flush brake system, change diff fluid- gear oil, RTV, gasket if desired, transmission fluid, trans filter if equipped, t-case oil. Find all zerk fittings and lube 'em up.

I'm sort of a neat-nik, so anytime something is removed it or the area gets cleaned. Remove a bolt- it gets cleaned on the bench grinder's wire wheel and depending on the application the head gets painted and threads kissed with anti-seize.

I'm also a fan of performing coolant pressure tests, engine compression tests, and cylinder leak-down tests on used vehicles I buy. But, I own the tools and wouldn't necessarily recommend paying a shop for these services if everything seems ok.

OCD much? Keep in mind much of todays parts (china junk) are probably worst off than what those 100K OEM parts are.

 

[steelhd]

What is an ultimate tune up? Is it one step below the extreme time up or maybe similar to da bomb or boss tune ups?

 

[G’s Jeep]

OCD much? Keep in mind much of todays parts (china junk) are probably worst off than what those 100K OEM parts are.

Hahah anything to ease the mind right

 

[DuckNut]

The tune up needed is your bank account. Fix that first and make the jeep a lower number on the totem pole.

 

[Captain Phoenix]

PCV, spark plug wires, (if equipped) distributor cap and rotor, ignition coil

How often should these be done (in both miles and years)?

And preferred brands?

 

[Sea Cot]

"as needed" or whenever you get the urge to burn money for something to do in hopes of receiving peace of mind.

TJ's use a vent breather instead of a PCV, but you'll find Rock Auto lists them under PCV headings. Replace it if it's cracked. Clean it if it's clogged and investigate why it's clogged.

97-98 had traditional ignition system w/ distributor, distributor cap/rotor, coil, and spark plug wires. These should go at least 40k miles. Investigate when you see performance issues like hard starting, reduced fuel economy, poor acceleration. Replace components as needed though cap and rotor should be done together since they wear down together.

I generally don't have a brand preference for these items.

 

[Captain Phoenix]

97-98

So for a 2005 there's nothing to worry about other than spark plugs?

 

[Sea Cot]

So for a 2005 there's nothing to worry about other than spark plugs?

It's a 20yr old Jeep, so there's oh so much more to worry about! The possibilities are endless!

Regarding ignition tune-up, plugs are about it. The coil rail being a maintenance item or change only when fails is somewhat of a debate. Most just run them until they die.