C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

ATF spotted on driveway

Thread Tools
 
Search this Thread
 
Old Feb 19, 2012 | 08:48 AM
  #1  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default ATF spotted on driveway

My 2001 C5 has begun to leave ATF droppings...about the size of silver dollar...any suggestions/experiences to share with a newby here?

Also, any suggestions on a Haynes type manual?
Reply
Old Feb 19, 2012 | 11:41 AM
  #2  
Hauln1203's Avatar
Hauln1203
Instructor
10 Year Member
 
Joined: Nov 2006
Posts: 147
Likes: 1
From: Arena Wisconsin
Default

First get under the rear of the car and get a visual on the diff. and trans. You may have to use some brake clean to clean off the grunge, once clean drive the car a short distance then get back under and see if you can spot where the fluid is comming from. Could be several things, drain plug, trans pan, diff. breather etc. You need to isolate where it is dripping from first.
Reply
Old Feb 19, 2012 | 10:45 PM
  #3  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default Driveway diapers

Thanks...great, simple stuff I can do!
Reply
Old Feb 20, 2012 | 12:06 AM
  #4  
Roc87's Avatar
Roc87
Burning Brakes
15 Year Member
 
Joined: May 2002
Posts: 831
Likes: 0
From: Albuquerque NM
Default

Had this happen to my '01, it was leaking between the diff and the transmission. The shop that did the repair said it was common, also had the driverside axle seal done at the same time. 2k miles later the rear was making a terrible noise, don't think it was related, but the two repairs sure added up quick $$$$$
Reply
Old Feb 20, 2012 | 08:17 AM
  #5  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default

Thanks...seems I really need a professional to determine the exact cause...don't really care for $$$$ part, but do appreicate your reply...hopefully, I can get up to "speed" on this forum.
Reply
Old Feb 20, 2012 | 11:25 AM
  #6  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default Transmission output seal cost?

Anybody got a idea of what would be a fair cost for this job?

...and, is this a job for the Chevy dealership?
Reply
Old Feb 20, 2012 | 11:36 AM
  #7  
SaberD's Avatar
SaberD
Melting Slicks
10 Year Member
 
Joined: Nov 2008
Posts: 2,938
Likes: 65
From: Rochester Hills MI
Default

post up a pic of under the car near the leak, and tons of people will most likely be able to tell you where the leak is coming from.
Reply
Old Feb 20, 2012 | 07:14 PM
  #8  
Bill Dearborn's Avatar
Bill Dearborn
Tech Contributor
25 Year Member
Liked
Top Answer: 1
Top Answer: 3
 
Joined: Oct 1999
Posts: 41,058
Likes: 9,821
From: Charlotte, NC (formerly Endicott, NY)
Default

Originally Posted by harrison520
My 2001 C5 has begun to leave ATF droppings...about the size of silver dollar...any suggestions/experiences to share with a newby here?

Also, any suggestions on a Haynes type manual?
Get the Factory Manuals. Either the DVD version or Paper. The DVD version is easier to use since it is searchable. The paper ones come in 3 volumes and run about 1400 pages.

Bill
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

10 Ugly Corvettes That We Still Kinda Love

 Joe Kucinski
story-1

Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

 Brett Foote
story-2

10 Things Every Corvette Owner Needs (2026 Edition)

 Michael S. Palmer
story-3

8 Most "Only Corvette Owners Understand" Quirks and Problems

 Pouria Savadkouei
story-4

10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

 Joe Kucinski
story-5

How Much Horsepower Every Corvette Engine "LOST" in 1972

 Joe Kucinski
story-6

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-7

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-8

150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

 Joe Kucinski
story-9

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
Old Feb 20, 2012 | 09:39 PM
  #9  
Dale002's Avatar
Dale002
Melting Slicks
All Eyes On Me
Liked
Loved
Community Favorite
 
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Default

Had a friend that this happen to. He spent numerous hours trying to find the leak. Ended up being the wifes new boyfriends car that leaked. This is a serious situation,find that leak ASAP!.
Reply
Old Feb 21, 2012 | 08:50 AM
  #10  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default Excellent thought...but...Dale,

that was the first thing I checked...wife's new boyfriend rides a Harley which explains all the oil leaks on the driveway...BUT...it's is the ATF that REALLY concerns me.

ps: told wife have Harley park on the grass
Reply
Old Feb 21, 2012 | 10:14 AM
  #11  
Dale002's Avatar
Dale002
Melting Slicks
All Eyes On Me
Liked
Loved
Community Favorite
 
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Default

Originally Posted by harrison520
that was the first thing I checked...wife's new boyfriend rides a Harley which explains all the oil leaks on the driveway...BUT...it's is the ATF that REALLY concerns me.

ps: told wife have Harley park on the grass
I know it sounds funny.However,It's a true story. My friend is very **** when it comes to his cars and his house. Everything has to be perfect.
He spent over two months tracking down an oils leak he didn't have.

I personally have had tranny leaks from the rear part of the tranny oil pan an it's not uncommon for the tranny to spit out some oil out the breather tube. It will run out where the tranny mates to the rear gearbox.
Reply
Old Feb 21, 2012 | 02:10 PM
  #12  
Quicksilver Vert 01's Avatar
Quicksilver Vert 01
Tech Contributor
10 Year Member
 
Joined: May 2008
Posts: 3,100
Likes: 17
From: Somers, CT and Clermont, FL
St. Jude Donor '09-'10-'11-'12-'13-'14-'15-'16
Default

Originally Posted by Dale002
I personally have had tranny leaks from the rear part of the tranny oil pan an it's not uncommon for the tranny to spit out some oil out the breather tube. It will run out where the tranny mates to the rear gearbox.
Breather tube on a C5 Corvette A4 transmission?

I don't think so.
Reply
Old Feb 22, 2012 | 08:49 AM
  #13  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default Thanks...

Originally Posted by Bill Dearborn
Get the Factory Manuals. Either the DVD version or Paper. The DVD version is easier to use since it is searchable. The paper ones come in 3 volumes and run about 1400 pages.

Bill

ordered one from EBay!
Reply
Old Mar 5, 2012 | 09:05 AM
  #14  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default Dealership action plan=$

Originally Posted by Roc87
Had this happen to my '01, it was leaking between the diff and the transmission. The shop that did the repair said it was common, also had the driverside axle seal done at the same time. 2k miles later the rear was making a terrible noise, don't think it was related, but the two repairs sure added up quick $$$$$
I took my first 'Vette as new owner to the dealership for a professional inspection...it is sad news...leaking between the torque converter & transmission.
$$$Repair involves removal of the entire *** end from the torque tube back...opening transmission to replace the gaskets, while apart the internal parts/clutches, etc. are inspected for wear & tear with bad pieces replaced for cost of part.
The diff is not leaking but it was recommended to have it's gaskets replaced wile the bottom rear of the car was out...only a small additional charge as the labor has been mostly done by pulling out the whole back of the car.
Not really the start of Corvette ownership I have been looking forward to...just a hard dose of reality with the thought that I can not really afford to own a Corvette Total cost = $1,500.

Oh yea...the told me the A/C compressor is leaking & needs replacement to the tune of...you guessed it...another $1,500.

The joy of 30 days ownership have turned downward really fast...well thanks for reading & an advise on repairs would be greatly appreciated.

Bill in South Florida
Reply
Old Mar 5, 2012 | 11:05 AM
  #15  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default ATF leak & more

Originally Posted by SaberD
post up a pic of under the car near the leak, and tons of people will most likely be able to tell you where the leak is coming from.
I took my first 'Vette as new owner to the dealership for a professional inspection...it is sad news...leaking between the torque converter & transmission.
$$$Repair involves removal of the entire *** end from the torque tube back...opening transmission to replace the gaskets, while apart the internal parts/clutches, etc. are inspected for wear & tear with bad pieces replaced for cost of part.
The diff is not leaking but it was recommended to have it's gaskets replaced wile the bottom rear of the car was out...only a small additional charge as the labor has been mostly done by pulling out the whole back of the car.
Not really the start of Corvette ownership I have been looking forward to...just a hard dose of reality with the thought that I can not really afford to own a Corvette Total cost = $1,500.

Oh yea...the told me the A/C compressor is leaking & needs replacement to the tune of...you guessed it...another $1,500.

The joy of 30 days ownership have turned downward really fast...well thanks for reading & an advise on repairs would be greatly appreciated.

Bill in South Florida
Reply
Old Mar 5, 2012 | 03:35 PM
  #16  
SaberD's Avatar
SaberD
Melting Slicks
10 Year Member
 
Joined: Nov 2008
Posts: 2,938
Likes: 65
From: Rochester Hills MI
Default

First of all, since your car is no longer under warranty, avoid the dealership completely because they will rape you on price. A highly skilled mechanic will do a better job, and it will cost way less.

How many miles does your car have? Depending on the miles, it might be a good idea to get the diff seals replaced while you're at it.

If the transmission functions normally, there is no reason you should replace any internal parts. Get the gasket replaced and seal it back up.

For the AC compressor replacement, forum member RoccoC5 has a good write up. shoot him a pm and have him email it to you. if you don't hear from him, i can try to dig it up. i did this install with a delphi compressor for about 700 bucks.
Reply
Old Mar 6, 2012 | 07:52 PM
  #17  
Kelly Young's Avatar
Kelly Young
4th Gear
 
Joined: Mar 2012
Posts: 4
Likes: 0
Default

Originally Posted by harrison520
My 2001 C5 has begun to leave ATF droppings...about the size of silver dollar...any suggestions/experiences to share with a newby here?

Also, any suggestions on a Haynes type manual?
Just had the same thing happen after parked for the winter. I thought it was diff fluid cause it was dark brown.
turns out it was the trans fluid leaking from a bad pan gasket.
$148 repair at AAMCO.
good luck!
Reply

Get notified of new replies

To ATF spotted on driveway

Old Mar 6, 2012 | 08:49 PM
  #18  
csc67's Avatar
csc67
Pro
20 Year Member
Conversation Starter
All Eyes On Me
 
Joined: Apr 2001
Posts: 539
Likes: 4
From: Rochester, NY
Default

Check out this thread I created

http://forums.corvetteforum.com/c5-t...-pictures.html
Reply
Old Mar 9, 2012 | 09:42 PM
  #19  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default

Originally Posted by harrison520
My 2001 C5 has begun to leave ATF droppings...about the size of silver dollar...any suggestions/experiences to share with a newby here?

Also, any suggestions on a Haynes type manual?
Some postings below suggest RTV silicone may be a temporary fix for the fluid leaking from between the torque converter & transmission. Is there a better sealant like J&B Weld? Seems like it would be worth a try to brake cleaner the area, apply sealer of choice.
Any experiences/advice/comments welcome.
Thanks again to all, Bill in South Florida
Reply
Old Mar 10, 2012 | 11:47 AM
  #20  
harrison520's Avatar
harrison520
Thread Starter
Intermediate
 
Joined: Jan 2011
Posts: 34
Likes: 1
Default

[QUOTE=SaberD;1580193512]First of all, since your car is no longer under warranty, avoid the dealership completely because they will rape you on price. A highly skilled mechanic will do a better job, and it will cost way less.

How many miles does your car have? Depending on the miles, it might be a good idea to get the diff seals replaced while you're at it.

If the transmission functions normally, there is no reason you should replace any internal parts. Get the gasket replaced and seal it back up.

139K miles & transmission functions normally...some postings below suggest RTV silicone may be a temporary fix for the fluid leaking from between the torque converter & transmission. Is there a better sealant like J&B Weld? Seems like it would be worth a try to brake cleaner the area, apply sealer of choice.
Any experiences/advice/comments welcome.
Thanks again to all, Bill in South Florida
Reply



All times are GMT -4. The time now is 03:09 AM.

story-0
10 Ugly Corvettes That We Still Kinda Love

Slideshow: 10 ugly Corvettes that we still kinda love.

By Joe Kucinski | 2026-06-03 10:34:17


VIEW MORE
story-1
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer

A lot of money has changed hands at the online auction house over the years.

By Brett Foote | 2026-06-03 10:21:50


VIEW MORE
story-2
10 Things Every Corvette Owner Needs (2026 Edition)

Slideshow: 10 great gifts Corvette enthusiasts actually want for Father's Day!

By Michael S. Palmer | 2026-06-03 15:43:40


VIEW MORE
story-3
8 Most "Only Corvette Owners Understand" Quirks and Problems

Slideshow: These are the quirks, annoyances, and oddly lovable problems that every Corvette owner eventually learns to live with.

By Pouria Savadkouei | 2026-05-28 09:31:39


VIEW MORE
story-4
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years

Slideshow: 10 reasons why the C6 Z06 is still a performance benchmark after 20 years.

By Joe Kucinski | 2026-05-27 17:20:09


VIEW MORE
story-5
How Much Horsepower Every Corvette Engine "LOST" in 1972

Slideshow: How much horsepower every Corvette engine lost in 1972.

By Joe Kucinski | 2026-05-27 16:54:53


VIEW MORE
story-6
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-7
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-8
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-9
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE