Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

What could cause this leak?

Thread Tools
 
Search this Thread
 
Old Aug 17, 2006 | 01:23 PM
  #1  
JoeZ's Avatar
Thread Starter
On The Tree
iTrader: (5)
 
Joined: Aug 2005
Posts: 169
Likes: 0
From: NY
Exclamation What could cause this leak?

What could cause this leak?

Last night while working on the project car we ran into an issue the 3rd or 4th time we tried slipping the LS1/T56 in. We got a pretty steep angle on the package this time as we started dropping everything in, when all of the sudden oil starts rushing out onto the floor of my garage. It's coming out from the bottom of the bellhousing where it meets the block...hopefully not getting all over my clutch.

Would the angle alone cause the leak? Or does this sound like a bad seal? Or???
Reply
Old Aug 17, 2006 | 02:12 PM
  #2  
RiceKilla's Avatar
On The Tree
iTrader: (15)
 
Joined: Apr 2005
Posts: 130
Likes: 0
From: S. Florida
Default

COuld be a bad rear main seal, or from the rear cover, why not take off the tranny and bellhousing and look?
Reply
Old Aug 17, 2006 | 02:29 PM
  #3  
JoeZ's Avatar
Thread Starter
On The Tree
iTrader: (5)
 
Joined: Aug 2005
Posts: 169
Likes: 0
From: NY
Default

Originally Posted by RiceKilla
COuld be a bad rear main seal, or from the rear cover, why not take off the tranny and bellhousing and look?
Tough to do from work :-)

Problem occurred after midnight last night and was looking for some tips/ideas before I go home.
Reply
Old Aug 17, 2006 | 04:36 PM
  #4  
91sbcamaro's Avatar
On The Tree
iTrader: (3)
 
Joined: Jul 2005
Posts: 174
Likes: 0
Default

Are you sure it was oil? i know that the transmission will leak out fluid with no driveshaft installed and tipping it to a steep angle. It seems like its a pretty big leak? or is it just some drops?
Reply
Old Aug 17, 2006 | 05:04 PM
  #5  
bczee's Avatar
TECH Senior Member
20 Year Member
Photogenic
Photoriffic
Shutterbug
iTrader: (12)
 
Joined: Jan 2006
Posts: 6,670
Likes: 6
From: Concord, CA
Default

Question, buy why would you have oil in the engine prior to installation..? wasn't it drained it before removing it and/or working on the engine or being shipped ? You can't (or should not) ship an engine with fluids in it. And also, can we assume that it was engine oil and not trans fluid ?

Were you trying to shortcut the installation time by putting oil into the engine before, like plug and drive ?

Where any of the sensor removed and left open to the internal engine passages ? Like the Oil pressure sensor, cam sensor, crank sensor, etc.. Did you check the rear engine plate (for the crank seal, cam and oil valley)?
Reply
Old Aug 17, 2006 | 08:14 PM
  #6  
JoeZ's Avatar
Thread Starter
On The Tree
iTrader: (5)
 
Joined: Aug 2005
Posts: 169
Likes: 0
From: NY
Default

Definitely oil...we were losing tranny fluid the entire time out of the tail of the transmission in the previous install attempts. This was motor oil and I probably lost a quart or two before we got everything level. It was flowing out freely....not dripping.

This is a local motor/trans from my friend....pull from his.....install in mine, that is why the fluids are still in there.

Crank, cam, temp sensors all installed. We had pretty good angle on the motor/trans a few times, then all of the sudden we ran into this issue. No energy to hit the garage tonight, will take another look this weekend.
Reply




All times are GMT -5. The time now is 08:16 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE