Coolant in the sump? TAMD31

[Volvo KAD 32 tfft]

I removed the sump pan and there was about a litre of coolant in there,

i syphoned it out from the bottom and it was still green,

it did not seem to have mixed with the oil, I have never noticed any oil in the coolant header?

head gasket?

 

[vas]

unlikely to be good news...

how was the engine stored during the winter? properly winterised?

V.

 

[volvopaul]

Could be liner seals or head gasket. Oil and water don't mix, but as water is heavier than oil the oil pump strainer is at the bottom of the sump so if you have run the engine it's likely to have damaged the crank bearings .

 

[TQA]

Do you by any chance have the engine with the water pump that is driven directly from the engine.

If yes there is a known problem relating to the seal and coolant finshes in the sump.

 

[Volvo KAD 32 tfft]

Do you by any chance have the engine with the water pump that is driven directly from the engine.

If yes there is a known problem relating to the seal and coolant finshes in the sump.

Not sure TAMD 31B, i will check it out?

 

[volvopaul]

Do you by any chance have the engine with the water pump that is driven directly from the engine.

If yes there is a known problem relating to the seal and coolant finshes in the sump.

That's on the earlier 61/62/71/72 series engines not the 32

 

[aquatom]

It could be a leaking injector sleeve. Coolant passing by the piston rings into the sump.

 

[Portofino]

It could be a leaking injector sleeve. Coolant passing by the piston rings into the sump.

Would that just burn off - white smoke - on the compression stroke?
And pressure up the coolant system ,like head gasket leaking - when compression enters the cooling circuit ?

 

[Volvo KAD 32 tfft]

That's on the earlier 61/62/71/72 series engines not the 32

Thank you Paul, thats one question anwered, the engine is on a pallet now as it was replaced by the KAD 32,
so i guess I will have to bite the bullet and start with taking the head off.

 

[BartW]

are you sure its not a leak in a rubber hose or a connection ?

a few years ago I had cooling water in the sump, VP D3
and it was coming from a perforation in the rubber lid, on a outlet for a water calorifier, (not fitted)

 

[scottie]

If the coolant is not mixed into the oil it would suggest it got in whilst the engine was not running.
If you have removed the engine from the boat how long has it been standing?
Was the engine kept level and up right whilst removal?
May be worth removing rocker cover.
Injector sleeve coming out with injector is a common occurrence on this range but only if injector moved
Was it losing water when lat running?

 

[Volvo KAD 32 tfft]

If the coolant is not mixed into the oil it would suggest it got in whilst the engine was not running.
If you have removed the engine from the boat how long has it been standing?
Was the engine kept level and up right whilst removal?
May be worth removing rocker cover.
Injector sleeve coming out with injector is a common occurrence on this range but only if injector moved
Was it losing water when lat running?

Hi, the engine has been out of the boat for 4 months, but most of the coolant was drained before it was lifted out,
No not level, when it was lifted it was at 45 degree angle due to confinement of space,
yes it was definitely losing water when running.

 

[Drewster]

Are you pumping out white smoke when the engine is running ??

 

[Volvo KAD 32 tfft]

Are you pumping out white smoke when the engine is running ??

No not noticeably , just regular diesel smoke

 

[Volvo KAD 32 tfft]

Could be liner seals or head gasket]

The head is off and we have 2cm of water in one cylinder and a rusty water trace mark running done the adjacent 2 cylinders about 5mm wide, i am not able to see any damage to the head gasket it seems intact, neither can i see £106 in it, is it possible to test for leaking liner seals? this is looking like a major job with every minute that passes,
your input is much appreciated.

 

[volvopaul]

A proper diagnosis isn't possible based on what you have found though water in only one cylinder looks like an injector seal around the copper sleeve, I'd take the head to be pressure tested as the cooper seals often leak when under test on the bench. I doubt its liner seals as the main 3 are at the bottom of the liner and when they leak water leaves the block and ends up in the sump not on the bore unless its a cracked liner.

 

[volvopaul]

You cannot really test the liner seals now the heads off, the best way to have done that was to remove the sump before the head then pressurise the system looking up inside the block at the lower parts of the liners unless you refit the head with a new gasket and check that way, now I'd check the head and exhaust manifold for leaks, any sign of water coming from the manifold or leak between the manifold and turbo, should the square gasket fail inside it will leak water down the inside of the ex man into whichever cylinder ex valve is open.

I'm handling a court case at the moment with very similar results, the chicken and the egg situation will determine who's at fault, so far its looking like the repairer .

 

[Volvo KAD 32 tfft]

many thanks Paul, as always a very helpful and informed reply, will post the outcome, cheers.

 

[Volvo KAD 32 tfft]

There was about 5cm of coolant in the sump pan when i took it off