C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

oil leak

Thread Tools
 
Search this Thread
 
Old Dec 11, 2025 | 02:48 PM
  #1  
capemayc6's Avatar
capemayc6
Thread Starter
1st Gear
 
Joined: Dec 2025
Posts: 1
Likes: 0
Default oil leak

2007 C6- small oil drip seen dripping under starter. cant see much from top of engine but doesnt seem to be from valve cover or intake manifold, Removed starter didnt nhelp Think it may be oil pan gasket (rear) or rear main seal. Any input/suggestions? Thanks in advance
Reply
Old Dec 11, 2025 | 05:54 PM
  #2  
Dreamer2's Avatar
Dreamer2
Burning Brakes
Conversation Starter
All Eyes On Me
Top Answer: 1
 
Joined: Mar 2018
Posts: 1,172
Likes: 218
Default

Pan gasket leak is common in C6.
Reply
Old Dec 11, 2025 | 09:29 PM
  #3  
MissileDoc's Avatar
MissileDoc
Burning Brakes
Veteran: Air Force
15 Year Member
Community Favorite
Top Answer: 5
 
Joined: Sep 2010
Posts: 935
Likes: 385
Default

The rear crankshaft main seal/seal assembly can also be an issue.
Reply
Old Dec 12, 2025 | 01:03 PM
  #4  
helga203's Avatar
helga203
Le Mans Master
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Jul 2010
Posts: 6,013
Likes: 726
Default

Pics would help,
Reply
Old Dec 12, 2025 | 08:40 PM
  #5  
1bdvet's Avatar
1bdvet
Team Owner
Veteran: Air Force
St. Jude 20 Year Donor
25 Year Member
Liked
 
Joined: May 2000
Posts: 53,801
Likes: 5,632
From: Plantation Florida USAF(Retired) 1966-1990
U.S. Air Force
St. Jude Donor '05 thru '26
NCM Sinkhole Donor
Default

I just had my pan gasket resealed and after they also found my rear main seal leaking, not cheap repair.

My 05, with 92,000 miles.
Reply
Old Dec 13, 2025 | 06:52 AM
  #6  
SyNKi's Avatar
SyNKi
Instructor
All Eyes On Me
Liked
Loved
 
Joined: Apr 2019
Posts: 107
Likes: 36
From: NNJ
Default

Use oil dye to find your leak.
Reply
Old Dec 14, 2025 | 09:33 AM
  #7  
Dave S's Avatar
Dave S
Retired & lovin' it!
Supporting Lifetime
20 Year Member
Liked
Loved
Top Answer: 1
 
Joined: Mar 2005
Posts: 4,475
Likes: 549
From: Jackson NJ
Default

Originally Posted by capemayc6
2007 C6- small oil drip seen dripping under starter. cant see much from top of engine but doesnt seem to be from valve cover or intake manifold, Removed starter didnt nhelp Think it may be oil pan gasket (rear) or rear main seal. Any input/suggestions? Thanks in advance
Take the simple step first. Wipe everything clean, then go round & tighten all the pan bolts. Check back 5 or 6 days after you've driven to see if there is still a leak. If so, you probably need to go the route of replacing the pan gasket which unfortunately is not an easy DIY job nor inexpensive if done by a shop.
Reply

Get notified of new replies

To oil leak





All times are GMT -4. The time now is 02:49 PM.

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