Go Back   Team-BHP > Under the Hood > Technical Stuff


Reply
 
Thread Tools Search this Thread
Old 29th July 2013, 23:18   #1
BHPian
 
599gto's Avatar
 
Join Date: Aug 2012
Location: Pune
Posts: 283
Thanked: 223 Times
Default Oil Leak & Sump Damage

I have a 2011 polo tdi as my daily drive.
I have been noticing some oil leak since the last few days, finally got it towed to the service centre today, on inspection it was found out that the engine sump was damaged and the engine oil had leaked out, I have driven around 50 kms after the hit IIRC, however the engine was behaving perfectly normal, no weird noises and no loss of power or anything, the engine check light or low oil warning also didn't come up.

The service centre guys tell me that they need to inspect the engine probably by ripping it apart to check for internal damage.

I want to know that should I just let them fiddle with the engine or ask them to replace the sump and refill oil and check first? basically I want to know if there is a way to gauge if there is any internal damage or no without ripping the block open?

Another thing I want to know is that how much damage might have been caused and the costs involved in the repairs? and if my insurance would cover the internal damage to the engine?

Also I want to know that if the engine check light or low engine oil level light didn't come up, how is one supposed to know that there is any sort of engine damage or oil leakage and take the necessary precautions?

Because if the light doesn't come up, either its the manufacturers fault or the engine shouldn't have sustained any internal damages.

Mods please merge this into an appropriate thread if one exists!
599gto is offline   Reply With Quote
Old 30th July 2013, 10:46   #2
BHPian
 
brraj's Avatar
 
Join Date: Feb 2006
Location: bangalore
Posts: 786
Thanked: 338 Times
Default re: Oil Leak & Sump Damage

Quote:
Originally Posted by 599gto View Post
The service centre guys tell me that they need to inspect the engine probably by ripping it apart to check for internal damage.
When you say "engine oil had leaked out" does this mean there was not even a single drop of oil OR Did you try to check oil level using dip stick?

If i was in your place i would just fill oil and do regular service and run the car. Test the car for few thousand kms to find any odd behavior like drop in performance, less kmpl, white smoke etc. Test it for yourself, if problem found then think of opening engine.

"Dont fix it if it hasn't broken yet"
brraj is offline   Reply With Quote
Old 30th July 2013, 10:51   #3
Team-BHP Support
 
Vid6639's Avatar
 
Join Date: Jul 2006
Location: Bangalore
Posts: 13,848
Thanked: 17,214 Times
Default re: Oil Leak & Sump Damage

I agree with brraj. If the car is working fine and some oil leaked out with no check engine light or low oil light then why meddle by opening up the engine. Leave it as it is.

Replace the sump, fill fresh oil, run a scan and drive it for a few kms observing FE, performance and excessive noise/vibration.
Vid6639 is offline   Reply With Quote
Old 30th July 2013, 11:19   #4
BHPian
 
HillMan's Avatar
 
Join Date: Jul 2013
Location: Bangalore
Posts: 699
Thanked: 401 Times
Default re: Oil Leak & Sump Damage

I wouldn't recommend fiddling with the engine block. When they say sump damage to you see major dent on it. If you scraped the sump on drive, there could be a dent or misalignment. To be optimistic, might just need a gasket change.

The engine housing is pretty strong enough only a sever hit could crack it. All sensors are usually externally reachable, without having to remove the sump.
HillMan is offline   Reply With Quote
Old 30th July 2013, 11:35   #5
BHPian
 
599gto's Avatar
 
Join Date: Aug 2012
Location: Pune
Posts: 283
Thanked: 223 Times
Default re: Oil Leak & Sump Damage

Quote:
Originally Posted by brraj View Post
When you say "engine oil had leaked out" does this mean there was not even a single drop of oil OR Did you try to check oil level using dip stick?

If i was in your place i would just fill oil and do regular service and run the car. Test the car for few thousand kms to find any odd behavior like drop in performance, less kmpl, white smoke etc. Test it for yourself, if problem found then think of opening engine.

"Dont fix it if it hasn't broken yet"
Thank you for the advice, by leaking I meant it was dripping continuously drop by drop, even till the car was towed to the ASS and raised for inspection, my hunch is that there might have been enough oil till the time the engine was last switched off by me because there was no engine check light or any abnormal behaviour from the car or engine, you views?

Quote:
Originally Posted by Vid6639 View Post
I agree with brraj. If the car is working fine and some oil leaked out with no check engine light or low oil light then why meddle by opening up the engine. Leave it as it is.

Replace the sump, fill fresh oil, run a scan and drive it for a few kms observing FE, performance and excessive noise/vibration.
Quote:
Originally Posted by HillMan View Post
I wouldn't recommend fiddling with the engine block. When they say sump damage to you see major dent on it. If you scraped the sump on drive, there could be a dent or misalignment. To be optimistic, might just need a gasket change.

The engine housing is pretty strong enough only a sever hit could crack it. All sensors are usually externally reachable, without having to remove the sump.
Thank you all for replying, the sump does have a major crack but nothing that would let the engine oil flow out, it was just dripping at most. However, the sump will need to be replaced, going by your suggestions ill ask the ASS to replace the sump and put in new oil and run a scan. Thank you again and do put in more inputs if any!
599gto is offline   Reply With Quote
Old 30th July 2013, 11:37   #6
Team-BHP Support
 
Vid6639's Avatar
 
Join Date: Jul 2006
Location: Bangalore
Posts: 13,848
Thanked: 17,214 Times
Default re: Oil Leak & Sump Damage

Do you have any photos? That will show the extent of the impact.

Secondly, they would have drained the oil to replace the sump. How much oil was there? Depending on the oil left inside you can see if it was enough to cause any damage.
Vid6639 is offline   Reply With Quote
Old 30th July 2013, 11:48   #7
BHPian
 
brraj's Avatar
 
Join Date: Feb 2006
Location: bangalore
Posts: 786
Thanked: 338 Times
Default re: Oil Leak & Sump Damage

Quote:
Originally Posted by 599gto View Post
Thank you for the advice, by leaking I meant it was dripping continuously drop by drop, even till the car was towed to the ASS and raised for inspection, my hunch is that there might have been enough oil till the time the engine was last switched off by me because there was no engine check light or any abnormal behaviour from the car or engine, you views?
So you have not used dip stick to find the oil level, anyways following all the above suggestions should be fine.
brraj is offline   Reply With Quote
Old 30th July 2013, 12:36   #8
BHPian
 
HillMan's Avatar
 
Join Date: Jul 2013
Location: Bangalore
Posts: 699
Thanked: 401 Times
Default

Quote:
Originally Posted by 599gto View Post
Thank you for the advice, by leaking I meant it was dripping continuously drop by drop, even till the car was towed to the ASS and raised for inspection, my hunch is that there might have been enough oil till the time the engine was last switched off by me because there was no engine check light or any abnormal behaviour from the car or engine, you views?

Thank you all for replying, the sump does have a major crack but nothing that would let the engine oil flow out, it was just dripping at most. However, the sump will need to be replaced, going by your suggestions ill ask the ASS to replace the sump and put in new oil and run a scan. Thank you again and do put in more inputs if any!
If sump is expensive go for Gas welding. It's just a metal case to hold oil.
HillMan is offline   Reply With Quote
Old 30th July 2013, 12:45   #9
Distinguished - BHPian
 
saket77's Avatar
 
Join Date: Dec 2012
Location: Ranchi
Posts: 2,970
Thanked: 3,064 Times
Default re: Oil Leak & Sump Damage

Hey 599gto,

You know what?? I was in the same situation about 2 months ago. Actually what happened is that I went to a MASS for an oil change and of course the oil filter too. This was not the usual MASS that my car is used to, but since it was an oil change only and this was very close to my home, I thought what can go wrong. But I was actually wrong. They guys screwed up a simple job like oil change. They damaged the oil filter while installing it with the wrench itself. The holes which were small grew when I pushed the engine hard. As opposed to the sump, oil leaks from the filter only when the engine is running, i.e.. while the oil is circulating through the filter. (Hence you surely need to check that the leak is from the sump only & not from the filter; as sumps are hard to damage).

When I parked my car overnight in my parking spot, it was lying in a small pool of oil; about 100-150 ml may be. I immediately checked the level on the dip stick which showed ZERO oil. I was scared to the core as I hard parked my car last night with about 20 Kms of real hard run. Similar to yours, the car showed no signs of tiring, overheating, any check lights, oil pressure lights, nothing. It was all normal and it idled nicely when I parked.

I called my regular MASS people; they came with a filter, a canister of engine oil and a filter wrench. They immediately checked then & there told me that the filter is damaged and in all probability during the installation. However, they told me that if things were fine when I switched off the car, then it should not be too much scary. They installed the new filter, poured in new engine oil and she came to life as usual with a single flick of key.

Though, since it was not long ago, but I have covered about 1000 kms since then with No issues at all. FE, performance all normal and this is coming from a finicky guy: Me!

Hence the moral of the story is that do no rip it apart immediately. Pour in fresh oil, look for unusual sound like harsh noise, etc. and see if the driveability & FE is normal. If all the above is good, you should be fine. In worst case, there can be harsh noises or the engine would lock up completely, but that looks unlikely to happen from your post.

You can read my experience here:
http://www.team-bhp.com/forum/techni...ml#post3143666 (Maruti Ertiga VDi - Engine oil leak. EDIT : Issue resolved on Page 3)

Last edited by saket77 : 30th July 2013 at 12:47.
saket77 is offline   (1) Thanks Reply With Quote
Old 25th August 2016, 19:26   #10
BHPian
 
Join Date: Nov 2008
Location: Mumbai/Pune
Posts: 72
Thanked: 60 Times
Default Re: Oil Leak & Sump Damage

I had a lucky escape with this issue. My car has been leaking oil for quite some time (a puddle of oil seen in the parking) and the engine also has been making some noise. I ignored it thinking ill get it repaired when I have the time. With the oil still leaking, I made 2 Mumbai-Pune trips as well. Finally when I got it checked, it turns out that there was no engine oil at all. I must have been really lucky to just get it to the mechanic on time. Cause turned out to be the oil filter which was probably damaged by something hitting it from below. Got it changed and the engine was sounding a lot better. Even a days delay could have led to engine seizure. The low oil indicator did not light up to indicate anything is wrong. Lucky break I guess.
aviraj is offline   (1) Thanks Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Civic Oil Sump crack. How effective is Brazing? Speed Pujari Technical Stuff 26 8th November 2013 13:59
4 day old Enfield Thunderbird. Oil sump damaged. EDIT: RE refunds entire amount! shailu Motorbikes 62 5th April 2012 12:14
Oil Sump cleaner in Shell OMR tintin82 Street Experiences 1 21st September 2009 11:10
Oil Sump In Optra Magnum-Design Flaw andrewdsouza72 Technical Stuff 33 3rd September 2009 15:13
Plastic Stick inside the Oil Sump via the dipstick tj123 Motorbikes 17 20th March 2009 18:28


All times are GMT +5.5. The time now is 04:46.

Copyright ©2000 - 2017, Team-BHP.com
Proudly powered by E2E Networks