2006 Volvo 5.7 osi-d crank no start

[QBhoy]

The gasket blew between 3 and 5 so I'm seeing steam clean and not from fuel

could be right...thought similar initially...but you'd imagine similar would be shown on the number 5 too, if it happened after the blow

 

[ripjmk]

Now the head is off have you tried to fill the combustion chambers with a solvent to see if the valves hold liquid ?

 

[woodsy01]

Thanks to you all ! I’m this far I may as well box on I think. We will find out, hopefully in the next few days, whether or not it’s game over for this engine. I think I picked up on the issue fairly promptly so hopefully saved any major damage but who knows, this is my third head gasket repair in 55 yrs past two we’re 90’s petrol cars that worked out ok.

 

[woodsy01]

Now the head is off have you tried to fill the combustion chambers with a solvent to see if the valves hold liquid ?

Do you mean rings ?

 

[QBhoy]

Do you mean rings ?

think he is meaning the head. as in to sit the head upside down...fill the combustion chamber with a solvent to see if it manages to leaks past the valves easily.

 

[woodsy01]

think he is meaning the head. as in to sit the head upside down...fill the combustion chamber with a solvent to see if it manages to leaks past the valves easily.

ah ok, will do now

 

[woodsy01]

ah ok, will do now

doesnt appear to leak through

 

[QBhoy]

doesnt appear to leak through

Good news.

 

[Lou C]

Ok two things
That cyl does look very shiny (washed) I’m wondering if water got in & caused the compression to go sky high in that cyl and blew out the HG. Water in a cyl will definitely raise compression way above normal
Other thing I’m wondering is if when that dist cap failed could it have advanced the timing enough to cause detonation? Don’t think so by how the head looks. The head/valves don’t look bad actually

 

[QBhoy]

Ok two things
That cyl does look very shiny (washed) I’m wondering if water got in & caused the compression to go sky high in that cyl and blew out the HG. Water in a cyl will definitely raise compression way above normal
Other thing I’m wondering is if when that dist cap failed could it have advanced the timing enough to cause detonation? Don’t think so by how the head looks. The head/valves don’t look bad actually

along the lines of my thinking too, Lou. water, full bore open injector or lack of ignition perhaps. you'd imagine if it was washed as a result of steam or water after the head blowing...the unit next to it might suffer the same effect..thats if it even suffered a blow that included the water interface ? looks only combustion side to me perhaps.

 

[woodsy01]

along the lines of my thinking too, Lou. water, full bore open injector or lack of ignition perhaps. you'd imagine if it was washed as a result of steam or water after the head blowing...the unit next to it might suffer the same effect..thats if it even suffered a blow that included the water interface ? looks only combustion side to me perhaps.

Thanks guys, I'll put her back together, not much else I can do at this point....keep you posted. Have new bolts, new felpro gaskets etc so fingers crossed I can get into some autumn fishing SOON.

ps, had injectors to a specialist early on, he said they were fine but gave them a once over in any case.

 

[QBhoy]

Thanks guys, I'll put her back together, not much else I can do at this point....keep you posted. Have new bolts, new felpro gaskets etc so fingers crossed I can get into some autumn fishing SOON.

ps, had injectors to a specialist early on, he said they were fine but gave them a once over in any case.

no worries...just a tiny thing on the injectors..although they can test as good when removed from the engine..that wouldn't rule out one not operating as a result of a failure in the system that supplies power for them to operate. unlikely the issue perhaps.

 

[Lou C]

When my HGs blew I had water in one cyl not enough to hydro lock it and the compression in that cyl was about 200 psi. All the others were about 160 which is normal. I’m wondering if your manifold gasket leaked down on that side into # 3.

 

[woodsy01]

When my HGs blew I had water in one cyl not enough to hydro lock it and the compression in that cyl was about 200 psi. All the others were about 160 which is normal. I’m wondering if your manifold gasket leaked down on that side into # 3.

manifold gasket was as new........ Im convinced it was the distributor cap failure, based on what I see online, anyway heads went on tonight, try to finish up and run by the weekend, let you all know.
Really cool to have help from the other side of the planet !! Thanks !
Come down for a fish some time !!

 

[woodsy01]

manifold gasket was as new........ Im convinced it was the distributor cap failure, based on what I see online, anyway heads went on tonight, try to finish up and run by the weekend, let you all know.
Really cool to have help from the other side of the planet !! Thanks !
Come down for a fish some time !!

Hi All, well, she fired up straight away and is running as good as ever, temp ok, idle ok, small water hose leak but picked that up straight away.
The only thing that is bugging me, and its probably paranoia, is a very slight smell of fuel when idling, no sign of any leaks but I wonder, could it be running rich or the IAC valve faulty ? I did pull the IAC valve out and it came aprt so I put it back together and installed. Thanks again !

 

[alldodge]

Did it run long enough for the motor to get up to full temp? If not then its running rich because its cold.

 

[Tail_Gunner]

Good for you, well done. As to the rich smell. Marine engines just run rich, now EFI has a electronic choke built in. The coolant temperature unit senses the temp of the engine. If cold the system will pulse a minute more gas (choke) until the engine warms up..There are times this sensor will get flakey and enrich the mixture even if the engine is up to temp. And that can cause unwanted fumes.

Good luck and happy boating!

 

[woodsy01]

Did it run long enough for the motor to get up to full temp? If not then its running rich because its cold.

Yes, ran to normal operating temp, took it out for a run at about 25 knts and came back in to marina.....probably an hour all up so well up to temp.

 

[Lou C]

Congrats & glad to hear it! Love the easy repair-ability of these old school Chevrolet engines.

 

[alldodge]

Could be ECT sensor as tailgaters mentioned, also MAP sensor or if your running higher octane fuel then 87