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whats the best way to clean this mess up??

SELLERSRODSHOP

SELLERSRODSHOP

Well-Known Member
the S.I.L. went & bought this car for the nephew without asking anyone to look at it first & this is what was found when taken in for an oil leak fix. i've cleaned up older motors ( in the old quaker state days) but wasn't sure what to do with this one. don't want to do anything that will mess up any sensors etc. its a 94 toyota with 137k mi.

IMG952918.jpg
 
If I remember correctly , there is a special oil on the market that cleans up the internals of the engine.
You can't drive as much miles as normal oil but thats not the main purpose of that special oil.
 
I'm thinking a short idle period with a quart of Gunk engine flush in place of a quart of oil, it's probably that low to start? If not I'd try Marvel Mystery oil for that quart. If that stuff isn't dissolved/broken down by something pretty strong it'll probably clog the oil pickup, I'd want to drop the pan after if it were my car but they can take their chances....

I hadn't heard of the engine cleaning oil, that might be a good first oil change follow up?

I had an S10 V6 bought from a friend for cheap that looked just like that, he only added a quart when needed, never changed the oil for all of his college years....
Oh, I swapped it for a reman. which was the plan from start.
Jon
 
Damn! That is one neglected motor.

I replaced the VC gasket on the 04 Fucos last year. It had 90,000 miles on it and it was as clean as new when I opened it up.




I have no idea what to use to clean that. Maybe a fire hose filled with Gunk?
 
That engine have had oil of poor quality in the past.
Is the compression of each cylinder OK ?
 
I'd remove manually what I could. Then, I've used Seafom to clean up other engines in the past and free stuck lifters. IME, it is stronger than the Gunk stuff.

With something that looks like that, you may be chasing more oil leaks after the treament.
 
"SELLERSRODSHOP" said:
( in the old quaker state days)
Click to expand...
funny, I remember the "old Quaker State days" I've seen a lot of engines like that from Quaker State. My dad used to say he wouldn't use Quaker State to settle the dust in his drive way!
My first Mustang looked like that when I pulled the valve covers after I bought it. I used Havoline for a year or two and after regular oil changes, I changed to a 4V intake and chrome VC's. The engine was considerably cleaner.
 
Well, the nice thing about a messed up sensor on a '94 (in NC anyway) is you don't have to pass emissions. Safety only. You're not required to pass emissions on pre-'97 vehicles.
 
The only thing you have to pass in Kansas is a sobriety test.
 
"70 StangMan" said:
There's a PT joke hiding in there somewhere. :confu
Click to expand...

Realized that right after I hit "post"








:nut to self
 
Fill with synthetic oil and hold your fingers. Looks exactly like the paraffin remains from using Quaker State oil-stuff. I would watch for a filter failure but it "should" bypass. The synthetic should dissolve it enough to drain.
 
Empty a can of great stuff in the engine, start up engine, time how long it continues to run. That's what Nick does!

Remove and replace engine.
 
"RyanG85" said:
Old timers used to say to run a quart of ATF to loosen sludge. I did a quick search on google and this thread was interesting: http://www.dodgedakotas.com/boards/gen/19479.html

You may also want to check with toyota, I know they had alot of engine failures due to sludge. I'm sure the dealers have a recommended flush procedure.
Click to expand...

Yep. The procedure was to dismantle it, send the parts to the machine shop for them to clean then replace everything that was bad.

They covered those repairs for a long time but I think they stopped a few years back.

Text me a vin tomorrow and I'll run it.

it's a sticky gooey mess and hard to clean up. I left a set of heads in the hot tank one time for more than 48 hours.

Personally, I'd put the valve cover back on it, keep the oil changed and keep an eye on the oil pressure. The oil pan is pretty easy to get off. it might not hurt to pull the pickup out of it and either replace it or clean it.
 
"Sluggo" said:
BTW,

That one's not too bad. You can still see the cam bolts. :pbj
Click to expand...

:wtf

Just kidding - I saw one that had furrows worn into the sludge where the rockers moved. Yep, that bad. Amazingly, the bores only needed a light cleanup. Darn good iron in that block.

Edit: not a toyota, a volvo in this case.
 
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