Jeep 4.0L Engine Rebuild. Freeze Plugs and Cam Bearings.

Rebuilding a 1999 Jeep 4.0L Engine. This video shows the process of installing freeze plugs and cam bearings.
#jeep #jeepcherokee #jeepxj #enginerebuild #mechanic #mechanictools #diy #garageofprojects
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[@colin5064]

Was there a reason you didn't lube the cam bearing before install?

[@shawnrooney2325]

Looking good man! I've got a 2000 just waiting for fair weather to get started. Good tips and procedures.

[@garageofprojects]

Thanks man! I appreciate the feedback!

[@whiptips4374]

One more question: I have new cam bearings and it looks like they each go in a specific position in my 4.0. Positions 1-4. Is position 1 at engine front or rear?

[@michael_fassbender]

you didnt use high heat paint?

[@garageofprojects]

It doesn’t specifically say high heat, but it is an industrial paint and has held up perfectly so far. I have almost 3,000 miles on it now.

[@whiptips4374]

Can I get the name of who made you cam bearing tool and a link? Thanks!

[@garageofprojects]

Its made by Lisle and sold on Amazon

[@whiptips4374]

@@garageofprojects thx

[@mpetersen6]

Just so everybody knows. 1) They are called core or welch plugs 2) The Cam Bearings on this engine were finish bored after installation. The final machining operations where finish machine front and rear face. Finish machine the top deck. Then the blocks were run through a final wash machine. Last operation was to install the core plugs. With red loctite. And the blocks came from the foundry already powder coated in black.

[@user-dr8ht5mp1s]

I was looking for information on how to tell which camshaft bearing goes in which location. You don't even mention that they are different sizes.

[@garageofprojects]

The camshaft bearing box they come in says which position each one goes in.

[@user-dr8ht5mp1s]

@@garageofprojects The purpose of an instructional video should be to convey experience and insight to others whom may not have that, not to simply show how to follow someone else's instructions, i.e. how to use another's tool.

[@charlessmith3758]

You must mean core plugs. There is no such thing as freeze plugs. What else are you wrong about?

[@oo-gk1rc]

Um *cough* there freeze plugs.

[@claycoates5056]

Freeze plugs Core Plug as a foundry man when the Iron Freezes to a solid there is the core that makes space for coolant to remove the Core sand they use holes in the casting to remove the sand then to plug the holes they install the plugs be any name

[@charlessmith3758]

@@claycoates5056 People think the core plugs are there so the block does not crack if it freezes in winter, I suspect even a good number of engine builders think this. Otherwise they would say core plugs. This is my point. Foundry casting blocks is understood, by some. Is it understood by people who say freeze plugs?

[@zachzimmer6922]

Chill

[@wardrobegirl67]

One part, a few names. DIY folks are not quite as rigid with terminology. It doesn’t make him wrong.