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Old 10-01-2010, 06:42 PM
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AxleIke AxleIke is offline
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Default Routine Maintenance Brings the Suck, A 3.0L Part 2

I have two brothers. My youngest brother has the SC'd 3.4L that I swapped head gaskets on earlier.

My middle brother has a 95 4runner, with the 3.0L V6. Blew the head gasket.

So, changing all that out.

He is leaving for Africa (Peace Corps) in December, and was going to sell his truck. We started doing routine Maintenance on it: wires, air filter, etc... to get it ready to sell.

I found the air filter clogged with what looked like dried mud. Not just dirty, but the ripples in the filter were mostly filled up.

Then it overheated. We flushed the coolant to find an orange sludge mixture. Had actual sludge in it.

Finally, it blew the head gasket after the coolant flush and an oil change. No oil in the pan (at least not enough to hit the dipstick) and spraying coolant out from under the timing cover in the front.
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Old 10-01-2010, 06:43 PM
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So, the engine is stripped down to the block, and the big stuff is off at the parts cleaners.

Here are a few pics of the tear down:

Shot of how nasty the engine is with the valve covers off:





You can see where coolant came spilling out from under the head, and cleaned off the top of the water pump:




Here you can see the orange-ish colored coolant ports. This is from the, I'm guessing, rusted out coolant system. It was orange sludge essentially, when we first started flushing it. The over flow was FULL of sludge. Almost looked like moab mud.



This is a shot of the steering box, which got doused when the truck over heated. Not a nice green color at all.



The EGR is caked with grease and dirt. I'm not too excited about seeing this in an intake:



This is the passenger head. When we removed the cam on this side, the garage started to REEK of burnt oil/grease. It was not pleasant.





Removing the driver head. This is the one that failed I believe. There was a clear "clean" area exiting the front of the head gasket, close to the water pump.



I have a large amount of cleaning ahead, but thankfully, not as much as last time:





Parts off to get cleaned:





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Old 10-01-2010, 08:16 PM
Bikeman Bikeman is offline
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Wow. You are a man for taking on that repair!
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Old 10-01-2010, 09:49 PM
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You need some new brothers.
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Old 10-02-2010, 07:48 AM
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It looks like you got the preventive maintenance gene and your brothers didn't. I hope they are making your effort worth while.
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Old 10-02-2010, 09:11 AM
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You are for sure the nicest brother ever.
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Old 10-02-2010, 10:05 AM
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AxleIke AxleIke is offline
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LOL! Yeah, they are good guys. The first one bought all the speciality tools I needed for the job, and this one is going to be getting me something. I'll have to see, but I'm thinking some money towards a soft top!
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Old 10-02-2010, 07:21 PM
J Kimmel J Kimmel is offline
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you can't sell that thing after all of that work!
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Old 10-04-2010, 10:03 AM
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Quote:
Originally Posted by J Kimmel View Post
you can't sell that thing after all of that work!
Yeah, I know, but he's leaving and everyone else is set on vehicles.

Besides, I want him to import a turbo diesel 70 series from Africa when he comes back
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Old 10-07-2010, 09:01 AM
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Block is almost clean. Rotary tools with scotch brite pads rock.

I'll grab pics when its done, but all 6 pistons are clean, with a few discolorations in the indented areas, just because they are almost impossible to clean. The head surface is clean, as is the "V" area. The front of the engine, including the water pump surface is clean, and degreased.

My back is sore, and so are my arms.

Injectors are off to witchhunter today. Pretty sure they aren't supposed to have grease inside.
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