Hilux Surf 2LT starts but doesn't move

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souptaco said:
I'll look at pulling it off tomorrow after work to give it a closer look I suppose. If the turbo is bad what would be a good sign of that other than like the shaft being very lose; which it doesn't appear to be.
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Don't pull it off unless you know for sure there is an issue with it. Does it spin freely? Do what Ian said. Also, by revving your engine, you should hear it spool up a bit. Watch that nothing gets sucked in tho. Can you give some pictures of the other side of your engine? Did you check the boost compensator on top of the injection pump to make sure the vacuum hose is attached to it ok with no holes?
 
Ya it spun freely but it did feel a little sticky. Ya I looked at all the hoses and everything seemed good. I'll double check that area tomorrow and grab some photos then too.
 
So I started it up again and the engine sounds ok but it just doesn't sound as good as it did like a month ago before this all happened. I look at the turbo with the engine on and it does indeed spool with the engine and spools faster with more throttle it seems good I suppose. But I'm getting white and blue smoke when I give it some throttle but it isn't everytime. Happens every other time or so. But the oil and coolant all look good and no mixing. I also put it in gear in my driveway and it almost seemed normal in reverse but when I put it in first it was still the same snail like movement. Here are some photos of the other side of the engine bay. There has been an oil leak ever since i bought the car a year ago and it didn't seem to bother anything but thats what most the grime you see.

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I'll look into that tomorrow but that doesn't really explain the colored exhaust smoke. I've never seen it spit out white or blue until recently.
 
souptaco said:
I'll look into that tomorrow but that doesn't really explain the colored exhaust smoke. I've never seen it spit out white or blue until recently.
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Maybe it's just me, but from your pictures I see what looks like two or three broken or open vacuum lines. This could cause all sorts of grief with the emissions and boost compensation. Go to this link, and carefully check the vacuum diagram against ALL your vacuum lines: Turbo Vacuum Hoses

Once you sort this issue out, you can remove 90% of that emissions crap so it doesn't cause you grief again.
 
Oh I forgot to mention that. I blocked off the emission device back when I first got it and I just used screws the block some of the vacuum hoses. It's been like that for 10+ months.
 
souptaco said:
Oh I forgot to mention that. I blocked off the emission device back when I first got it and I just used screws the block some of the vacuum hoses. It's been like that for 10+ months.
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OK, I see. I still would recommend checking the vacuum diagrams in that link I posted above. If there is no boost pressure getting to the boost comp on top of the injection pump it would describe perfectly the issue with your vehicle. For example there is one in this diagram marked red. Here is what they say about it:

"Here is a general overview of the 2LT Turbo vacuum system and engine vacuum outlay. The vacuum line in Red has been known to be a problem as it slips off on the inlet manifold and can cause loss of power and turbo not to work. "
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So I took apart the piping coming from the turbo to the intake and there was a good amount of oil sitting inside of it and it just dripped out the pipe when i turned it vertical. Thinking that isn't normal at all... Also I noticed some oil seeping through the middle of the turbo where the two parts connect; not sure whats the correct term for that is. I feel like this turbo is dead even though it still is spooling. All the vacuum hoses look good and connected.

That's a photo of the turbo and you can see a little drop of oil coming out when I snapped that photo.
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Yeah, that looks pretty nasty alright. Looks like your turbo seals are gone. You can run the engine with the turbo outlet open like that and watch to see if it spits oil (I did this recently with a 1HDT motor). Only other place that oil could come from is the crank case breather which connects in before the turbo. Unlikely it would be putting out that much though unless you had some major blow-by issues or something wrong in the valve cover.
 
Check the crank case breather hose from the valve cover to pre-turbo intake tract and see if its got oil in it that would explain the oil post turbo. If it's fairly dry, then I'd agree your turbo seals are shot.

You might still get lucky and just need a catch can to deal with the oil blow by, but that is a lot of oil in the intake tract.
 
IanB said:
That's a lot of oil, that turbo was shot I guess?
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Yes totally shot. My friend bought a new Melett Supra CHRA and custom machined the 1HDT compressor housing to fit. Replaced the cracked turbine housing too (with one of ForealBoreal's). Very nice turbo combo now.
 
The pre turbo intake hose looks good. It has some like oil/soot build up in it that I've seen before that I assumed was normal. It's nothing like the post turbo piping that drips oil out. Found someone in Oregon selling a ct20 I'll go pick up this week and put that on and hopefully this solves the issue. I miss driving this car ahah
 
If you're pre-turbo intake hose is dry, then you know where your oil problem is coming from.

You don't have a boost gauge to see if you're making boost I guess?
 
No, I bought a boost gauge but the pillar holder didn't look good so I kind of put it off and said screw it basically. I'm going to be selling this vehicle in a couple months to buy another one. I have an intercooler that I was going to install too but I'm going to save both of these for the next one.
 
Just picked up another ct20 from a North American 2LT truck and just got mine removed and they have some differences and I'm just a little curious about that. These can be clocked right so I can rotate the intake side to fit like the other one? One has a round exhaust opening and the other is square that shouldn't be an issue right?

Original on left new(er) one on right
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There are two CT20 turbo versions used on the L engines. One is the pre-1990 unit with the round exhaust inlet. This was used on the early rocker head 2LT engines (and also on the 22RTE if I remember correct). The second turbo version is the post-1990 unit with the square exhaust inlet. This was used on the 2LT-II and 2LTE.

What I do know is that the later version of the CT20 is a much better turbo. The turbine wheel trim was reduced (faster spool) and the compressor trim increased (higher flow capacity). So if you had the choice, sticking with the later turbo would have been better.

As for interchangeability, I'm not 100% sure to be honest. I'm guessing the early turbo can be adapted with out much difficulty, but it won't be ideal. Would probably get you by for the time being. Check out the hilux surf forums for a more definitive answer? Toyota 4WD Surf Owners • Index page
 
I took the one off my engine to a turbo shop and I'm having them rebuild it. Guess I'll just sell the other one oh well. The guy on the phone said the turbo was pretty beat up and they had to order a part but should get it back in a couple days. But we'll see what happens
 
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