2000 4cyl. Balance Shaft Assembly Delete: Oil Pickup/ Baffle? - Toyota Nation Forum : Toyota Car and Truck Forums

Camry 3rd & 4th Gen (1992-1996 & 1997-2001)/1st Gen Solara (1999-2003) Toyota Camry Discussion for years 1992-1996 & 1997-2001, as well as Solara discussion for years 1999-2003. Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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post #1 of 11 Old 06-18-2017, 04:48 PM Thread Starter
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2000 4cyl. Balance Shaft Assembly Delete: Oil Pickup/ Baffle?

Hello, I have a 2000 Camry 4 cylinder (5SFE) and I'm trying to get an engine rebuild completed after starting it and then having a few year delay.

Back then, I threw away the balance shaft assembly because it was in a bad way and I could see it would cost me a good bit of oil pressure. I saw forum posts where folks put rebuilt engines back together without the balance shaft assembly at all, so I decided to do the same. I did tap & install a bolt in the block to plug the balancer's oil feed.

Now I am reassembling the motor and I see 2 issues I did not consider before: (1) Mounting the oil pump pickup tube and (2) Do I need some sort of crankcase oil baffle now since the balancer shaft assembly is not in there anymore?

(1) The oil pump pickup tube bolts up fine to the oil pump on the pair of studs. But it seems a little wobbly because the support leg isn't connected to anything now. Anyone have a good suggestion of how to handle it? (I'm wondering if I should leave it unsupported, rig something to brace it somehow, or maybe change the part to a different one.)

(2) I noticed some of the different models that did not have balancers did have a horizontal oil baffle plate near the oil pump. I wonder if I need one now since the balancer assembly case serves as a baffle for oil splashing, I suppose.

Any suggestions about handling these aspects of my balance shaft delete would be great. Thanks for any help.

Last edited by 5SFE_Jigsaw_Puzzle; 06-18-2017 at 05:05 PM.
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post #2 of 11 Old 06-18-2017, 05:19 PM
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I thought the leg of the pick up tube bolted to a spot on the block, maybe you need a different pick up tube? I wonder if the baffle from a Celica (no balance shafts) would work.

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post #3 of 11 Old 06-18-2017, 05:36 PM
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71C is spot on, that's the same baffle the MR2 uses on its 5SFE. Without the balance shaft be ready for a marked increase in front end vibration,
maybe not noticeable if you're rocking the original A arms etc
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post #4 of 11 Old 06-19-2017, 01:35 PM
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Quote:
Originally Posted by 5SFE_Jigsaw_Puzzle View Post
Hello, I have a 2000 Camry 4 cylinder (5SFE) and I'm trying to get an engine rebuild completed after starting it and then having a few year delay
Sorry, not an answer to your question, but I'm going to get started in rebuilding a 5SFE - where are you sourcing parts from?

Did you blueprint the used engine before starting to work on it or did you pretty much go maximum service sizes to reduce the measuring and ordering you had to do?

1998 Camry. 5SFE: 2200CC 16-VALVE DOHC EFI. Model: SXV20L-AEPNKA
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post #5 of 11 Old 06-19-2017, 03:20 PM Thread Starter
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I took the block & crank to the local machine shop, let them re-machine to the next undersize that would remove all defects, and ordered bearings, pistons, & rods after I knew what size crank & block I had.
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post #6 of 11 Old 06-19-2017, 04:16 PM
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Quote:
Originally Posted by 5SFE_Jigsaw_Puzzle View Post
and ordered bearings, pistons, & rods after I knew what size crank & block I had.
From where? Did you use a certain manufacturer?

Thank you for the guidance

1998 Camry. 5SFE: 2200CC 16-VALVE DOHC EFI. Model: SXV20L-AEPNKA
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post #7 of 11 Old 06-19-2017, 05:47 PM Thread Starter
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There are many options. Check out Rock Auto. Definitely eBay too. Many other suppliers. You can find ones you didn't know existed by Googling part numbers. Many after market brands in addition to oem, as well. If I recall, I went with mostly oem on ancillaries like oil pump (Aisin, etc.) and aftermarket internals (NPR pistons, King bearings.) Had to go Toyota dealer on rods (ouch). Found a decent head in a junkyard and had a local machine shop redo it. It didn't need much.
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post #8 of 11 Old 06-19-2017, 06:55 PM
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NPR pistons are not as finely balanced as the factory parts. Also the 3S/5S ones I've seen had shorter skirts.

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post #9 of 11 Old 06-19-2017, 07:25 PM Thread Starter
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Funny you mention that. Aftermarket pistons were a corner I willingly cut for the price difference. I had the machine shop examine them & expected to pay for a balance job. Or return them and buy something else if too bad. Machinist guy told me that my particular piston set was so finely balanced that he didn't have to touch it and the specs were suitable for racing applications. Under 1 gram variation between the 4. He was very surprised when I told him it was a cheap set off eBay. Maybe the Chinese guys got one right. Maybe just lucky. On a street motor, I'll take it. You're giving up the custom oil clearance available with the Mark 1,Mark 2, Mark 3 bearings too. Oh well.
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post #10 of 11 Old 06-19-2017, 07:49 PM
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The ones I used were Japan made, I didn't weight them. A friend had a set I don't remember the exact specs but they had a bit more variance than desired. Don't get me wrong NPR are the best pistons available for these engines. The wrist pins are just the right spec that allow easy machining of the factory rods.

The skirts being shorter I don't know the long term issues if any.

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1990 Camry LE V6 WAGON
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post #11 of 11 Old 06-21-2017, 10:08 PM
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Quote:
Originally Posted by 5SFE_Jigsaw_Puzzle View Post
(1) The oil pump pickup tube bolts up fine to the oil pump on the pair of studs. But it seems a little wobbly because the support leg isn't connected to anything now. Anyone have a good suggestion of how to handle it? (I'm wondering if I should leave it unsupported, rig something to brace it somehow, or maybe change the part to a different one.)
I'm not sure what's the proper procedure but I've had a recent rebuild with a balancer delete and thought about this. I later decided to bolt the 2 legs possible under torque specs and left the third leg in the air.

Have had no issues at this point.
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