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Re: 2000 Toyota Avalon [Re: clinebarger] #4910561 10/30/18 10:51 PM
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clinebarger Offline OP
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Pulled the lower intake manifold, Replaced the hose from the thermostat housing to the water outlet manifold.....It was in good shape like every other gasket/seal/hose I've replaced on this engine! I did not reseal the valley plate because of this.

Replaced the thermostat along with the O-ring on the Inlet Pipe.

Flowed the Injectors with straight GM Upper Engine/Injector Cleaner followed with straight E0 93 octane gasoline, If ya'll want pictures of my Injector Cleaning rig....I'll post pics.
They cleaned-up nicely......I'm not quite used to seeing the "Split" spray pattern used on engines with 2 intake valves as I've worked on LSx engines the bulk of my career.

[Linked Image]
[Linked Image]
[Linked Image]


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: 2000 Toyota Avalon [Re: clinebarger] #4910580 10/31/18 12:43 AM
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Nick1994 Offline
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Where did you get the hose under the intake manifold?

My brother had a 96' ES300 and was up in Montana on vacation in 2014. He called me and thought the head gasket was leaking. I drove up there to bring him down and we discovered it was the intake manifold gasket. After taking that apart we found that hose, and while it wasn't leaking yet it was about to, was bulged etc.

We searched and searched for a hose, called a Toyota dealer and had them order one for a Camry, ordered one from O'Reilly's, and both were sort of S shaped. Had 2 bends. The hose we pulled off had one bend. We had no choice but to use it, but trimmed it to make it fit.


2015 Hyundai Sonata 2.4L 103k STP Synthetic HM 10w30 & OEM
2000 Toyota Camry 2.2L 235k Mobil Super HM 10w40 & Fram Ultra
1996 Jeep Cherokee 4.0L 149k Mobil 1 HM 10w40 & Fram Ultra
Re: 2000 Toyota Avalon [Re: clinebarger] #4910633 10/31/18 06:11 AM
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Trav Offline
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Looks great! I see a lot 2 and 4 spray pattern injectors on 2 intake valve heads, notice one spray stream aims at each valve, some older multi valve turbo engines have strange patterns (eg 2 sharp needle streams with no real atomization) as they like a straight shot, DI is a perfect solution for these units.


ASE L1, Master. Deutsch Meisterbrief.
Re: 2000 Toyota Avalon [Re: Nick1994] #4911235 10/31/18 07:31 PM
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clinebarger Offline OP
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Originally Posted by Nick1994
Where did you get the hose under the intake manifold?


Freeman Toyota in Hurst TX......Part# 16261-20010, Like most dealership parts departments.....They are lost without a VIN. As you probably know Toyota dealers can't look up Lexus VIN's, In a situation like that.....I would have called a Lexus dealer & gotten the part number. I do this for my moms 2007 RX350 as I'm not driving across town to Sewell Lexus for a Toyota part!!

On the other hand....Any GM dealer can procure & look-up parts per the VIN regardless of marque!

Some good news is......Sewell Lexus of Ft. Worth had the VVT solenoid I needed in stock. So I guess a Toyota dealer can't browse Lexus part inventory either!!!


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: 2000 Toyota Avalon [Re: Trav] #4911243 10/31/18 07:44 PM
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clinebarger Offline OP
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Originally Posted by Trav
Looks great! I see a lot 2 and 4 spray pattern injectors on 2 intake valve heads, notice one spray stream aims at each valve, some older multi valve turbo engines have strange patterns (eg 2 sharp needle streams with no real atomization) as they like a straight shot, DI is a perfect solution for these units.



Thanks man!!! I'm not really that happy with the way it LOOKS.....But I don't have the time to detail things like I normally would, (I don't have keys to the shop yet), At least it will run good & not leak.

These are 4 hole injectors with 2 streams per valve, They looked like 4 needle streams when hit with a 500 Millisecond single-pulse, Though I doubt they ever see that kid of duty cycle in service.
I don't know injectors like you....Just observations.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: 2000 Toyota Avalon [Re: clinebarger] #4911429 11/01/18 12:30 AM
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02SE Offline
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So what's the word on those JDM engines these days? When I worked on consumer cars, the spiel was that they all had 30k miles. Some were decent, and some had clearly never had any maintenance at all.

As to the guy that mentioned the 1MZ-FE being sludge monsters, I was working at a Toyota dealer when they came out. The BIG issue was that people bought or more often leased vehicles due to the sterling reputation for reliability Toyota had/has, and then people NEVER changed the oil. I'd see cars come in at 30-40k miles, with the original factory fill, because the engine was making a "funny noise". Invariably the goop that used to be oil, was no longer able to do it's job...

Last edited by 02SE; 11/01/18 12:59 AM.
Re: 2000 Toyota Avalon [Re: clinebarger] #4911522 11/01/18 06:52 AM
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Trav Offline
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Originally Posted by clinebarger
Originally Posted by Trav
Looks great! I see a lot 2 and 4 spray pattern injectors on 2 intake valve heads, notice one spray stream aims at each valve, some older multi valve turbo engines have strange patterns (eg 2 sharp needle streams with no real atomization) as they like a straight shot, DI is a perfect solution for these units.



Thanks man!!! I'm not really that happy with the way it LOOKS.....But I don't have the time to detail things like I normally would, (I don't have keys to the shop yet), At least it will run good & not leak.

These are 4 hole injectors with 2 streams per valve, They looked like 4 needle streams when hit with a 500 Millisecond single-pulse, Though I doubt they ever see that kid of duty cycle in service.
I don't know injectors like you....Just observations.


Yes I see that also on some of them. Some maintain that pattern at operating psi while others will only show it at low psi and blend 2 streams to form one side of a fat atomized V. When testing I run them at low psi to insure I can see all 4 streams before turning up the pressure.
I will see if I can find an old paper I have here that shows the over a dozen different commonly used patterns and scan it so I can post it.

I know what you mean about detailed painting but these days I use paint for outboards and marine lower drives. A friend of mine put me on to Moeller engine paints for the block and green or yellow phosphate primer for aluminum and green or yellow chromate for iron.
I use the 1258 Mercury Phantom Black for VW iron blocks with the green primer, it looks amazing and last seemingly forever.


ASE L1, Master. Deutsch Meisterbrief.
Re: 2000 Toyota Avalon [Re: 02SE] #4911524 11/01/18 06:55 AM
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wag123 Offline
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Originally Posted by 02SE
As to the guy that mentioned the 1MZ-FE being sludge monsters, I was working at a Toyota dealer when they came out. The BIG issue was that people bought or more often leased vehicles due to the sterling reputation for reliability Toyota had/has, and then people NEVER changed the oil. I'd see cars come in at 30-40k miles, with the original factory fill, because the engine was making a "funny noise". Invariably the goop that used to be oil, was no longer able to do it's job...

I know that the sludge problem was mostly due to a lack of proper maintenance. Some people think that Toyotas are indestructible and don't need regular maintenance, in particular, some of the people I have known that trade them every 2 or 3 years or lease them.
I had a 98 Camry V/6 and changed the oil every 5k miles using Mobil 1 exclusively. I also check my fluid levels and tire pressures at least once a month. When I got rid of the car it had 220k miles on it and never developed an ounce of sludge buildup.
Toyota can certainly take part of the blame on this one though. During that era they went to a 7500 mile oil change interval recommendation. This could be problematic (and was) when using cheaper conventional motor oils combined with certain types of driving, and letting the engine run low on oil for a couple thousand miles during each oil change cycle exasperated the problem. Because of this, the 1MZ-FE wasn't the only Toyota engine that exhibited a sludge buildup problem, just the most severe. Also, you didn't see the problem as much in Lexus products with the 1MZ-FE because of the fact that most Lexus dealers were selling/using synthetic oil in their service departments.

Re: 2000 Toyota Avalon [Re: 02SE] #4912354 11/01/18 09:44 PM
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clinebarger Offline OP
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Originally Posted by 02SE
So what's the word on those JDM engines these days? When I worked on consumer cars, the spiel was that they all had 30k miles. Some were decent, and some had clearly never had any maintenance at all.


More like 45k to 65k according to the guy I buy from, It's hit & miss....No one knows the history of these engines. He gives 30-days for you to find out!!
He said he got burned on some flooded engines a few years ago....But other than that they have been good engines for the most part.

The local wreaking yard scene around here is scary, If they tell you 90k.....It has 290k!!! Buying JDM is a safer bet especially with older Japanese cars.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: 2000 Toyota Avalon [Re: Trav] #4912364 11/01/18 09:55 PM
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clinebarger Offline OP
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Originally Posted by Trav

Yes I see that also on some of them. Some maintain that pattern at operating psi while others will only show it at low psi and blend 2 streams to form one side of a fat atomized V. When testing I run them at low psi to insure I can see all 4 streams before turning up the pressure.
I will see if I can find an old paper I have here that shows the over a dozen different commonly used patterns and scan it so I can post it.

I know what you mean about detailed painting but these days I use paint for outboards and marine lower drives. A friend of mine put me on to Moeller engine paints for the block and green or yellow phosphate primer for aluminum and green or yellow chromate for iron.
I use the 1258 Mercury Phantom Black for VW iron blocks with the green primer, it looks amazing and last seemingly forever.



Thanks Trav......I was running them a 30psi, I was clamped onto the cut-off nylon feed pipe.....So I didn't push my luck with more pressure.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: 2000 Toyota Avalon [Re: clinebarger] #4923560 11/13/18 10:53 PM
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clinebarger Offline OP
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Minor updates.....

Got the engine out of the car, Went pretty smooth considering I've never pulled a 1MZ before.

Stripped the harness off the old engine & got it wrapped with TESA 51036 cloth tape, Use this tape & you will NEVER use vinyl electrical tape again for engine harnesses! Very price competitive to Scotch/3M Super33+.

Timing covers cleaned-up & installed, Used the JDM 100,000KM timing belt service upper cover for some flare, Decided to try the A/C compressor that was on the JDM engine.....The clutch cover was bent, So I drilled out the rivets holding it on the clutch.
The compressor on the car is identical besides the guard/cover, Anyone know why this was installed??

[Linked Image]


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: 2000 Toyota Avalon [Re: clinebarger] #4924095 11/14/18 01:37 PM
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Originally Posted by clinebarger
Pulled the lower intake manifold, Replaced the hose from the thermostat housing to the water outlet manifold.....It was in good shape like every other gasket/seal/hose I've replaced on this engine! I did not reseal the valley plate because of this.


I'm dreading having to do that job on my parent's 3MZ-FE in their Sienna, from what The Critic told me, it's a fairly common thing for the valley plate to leak on these but more so with the cars using pink SLLC?

Re: 2000 Toyota Avalon [Re: clinebarger] #4925567 11/15/18 10:16 PM
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Trav Offline
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Thanks for the tip on the TESA 51036, I ordered some today. I have been using an older 51608 version of this.
The 3M Temflex 2155 self vulcanizing rubber is what I use to wrap damaged insulation on wires that I cant cut out or waterproofing a connector by wrapping it.
It only sticks to itself but after a few hours its almost like a solid piece of rubber if you try and remove it.

Edit: For those who have never used the 3M you must stretch it when applying or it will not stick to itself.

Last edited by Trav; 11/15/18 10:17 PM.

ASE L1, Master. Deutsch Meisterbrief.
Re: 2000 Toyota Avalon [Re: clinebarger] #4935222 11/25/18 09:22 PM
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Nice tip on the tape, I've used self vulcanizing tape like Trav mentioned in the past or super 33. I'll have to order some up!

How's the project coming? Will you change the transmission front pump seal and flush the converter while the engine is out, or assume if it's dry now, leave it alone?


Luke
P-3C and P-8A Maritime Weapons and Tactics Instructor, Instructor Tactical Coordinator and Mission Commander
Re: 2000 Toyota Avalon [Re: FlyNavyP3] #4935328 11/25/18 11:09 PM
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Originally Posted by FlyNavyP3
Nice tip on the tape, I've used self vulcanizing tape like Trav mentioned in the past or super 33. I'll have to order some up!

How's the project coming? Will you change the transmission front pump seal and flush the converter while the engine is out, or assume if it's dry now, leave it alone?


The trans is getting re-sealed with new pump seal, pan gasket & both axle seals. I'll just drain the converter after checking the internal end-play.

It's coming along very slowly with the holidays/family & all, I did reseal the JDM PS pump with a Toyota seal kit. The pumps are the same, The brackets/feed pipe & pulley are different.

Bought the Reservoir to Pump hose & Return Hose from Toyota which was expensive in my opinion ($160 for both with my discount)
The high pressure hose is not leaking at the moment, Toyota wants @$335 for a new one.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
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