cat c13 engine problems - TheDieselGarage.com
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post #1 of 24 (permalink) Old 06-02-2010, 11:11 PM Thread Starter
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cat c13 engine problems

Have a c13 2004 serial KCB in the shop running smooth but a lot of blowby.Just started to push dipstick about 8 inches out of tube followed by the oil.Pushes the dipstick only after a long pull under full boost.Going to check turbos for leaking into the crankcase.Engine has high 300,000 on it.Driver said he's been adding antifreeze but no leaks and nothing in the oil.Also oil pressure dropped by 10#s today.Normally at 40 psi at idle now 30 when hot.Any suggestions would greatly be appreciated.I'm probably looking at top ring problems but oil pressure and antifreeze doesn't add up.
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post #2 of 24 (permalink) Old 06-03-2010, 03:42 AM
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Originally Posted by acegreaser View Post
Have a c13 2004 serial KCB in the shop running smooth but a lot of blowby.Just started to push dipstick about 8 inches out of tube followed by the oil.Pushes the dipstick only after a long pull under full boost.Going to check turbos for leaking into the crankcase.Engine has high 300,000 on it.Driver said he's been adding antifreeze but no leaks and nothing in the oil.Also oil pressure dropped by 10#s today.Normally at 40 psi at idle now 30 when hot.Any suggestions would greatly be appreciated.I'm probably looking at top ring problems but oil pressure and antifreeze doesn't add up.
Most likely dusted. If you can't run a leak down test, just gut it. Start by dropping pan and pressurize cooling system. Find coolant leak, then plan on updated top rings in the kits, or just re-ring (which won't hold)...
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post #3 of 24 (permalink) Old 06-03-2010, 03:49 AM
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Pressure testing the turbo compressor, is a good idea, and preasure testing the intake of the engine will test the valve guides. 35 lbs, You can check the oil filter for metal, both aluminum and steel. You can remove the oil pan and look up to see if a cylinder is scuffed, and metal on the oil pan drain plug magnet. You can pull the injectors and with the piston at the top and bottom check for cylinder leak down. If the cylinder has scuffed it is possible the oil pump is torn up, it is also possible the oil filter is compromised. If there is a lot of metal, the oil cooler should be changed.

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post #4 of 24 (permalink) Old 06-03-2010, 03:54 AM
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Test the radiator cap, that could be the coolant loss, inspect the air intake, and with the pan off preasure testing is a great idea. as normal tony.

1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. BW turnover Ball. Furakawa FL35 loader. Retired, HD mechanic, worked on engines all my life. Fabricator welder. electrician. in the process of finishing my new shop. Live in Rock Creek B.C. Wife has a fruit stand.
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post #5 of 24 (permalink) Old 06-03-2010, 04:17 AM
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La première baisse de chose la casserole pétrolière fait alors pression en haut sur le système de liquide de refroidissement je parie vous que vous trouverez une fuite quelque part si pas le joint alors principal est à peu près fait pour cela.

Si vous avez l'entretoise d'alun l'abandonnent et obtiennent acier verison s'ils l'ont toujours.
{ Ynot pouvez-vous vérifier si cette série peut toujours obtenir l'assiette d'entretoise d'acier ?}

Je pense que votre moteur est allready épousseté ainsi chèque le turbocompresseur pour n'importe quels dégâts j'ai un sentiment le turbo est sur la dernière jambe et regarder le logement de filtre à air et le filtre à air lui-même et voir ce qui se passe.


First thing drop the oil pan then pressure up the coolant system I bet you that you will find a leak somewhere if not then head gasket is pretty much done for it.

If you have alum spacer ditch it and get steel verison if they still have it.
{Ynot can you verify if this series still can get steel spacer plate ? }

I think your engine is allready dusted so check the turbocharger for any damage I have a feeling the turbo is on the last leg and look at the air filter housing and air filter itself and see what is going on.


Merci,Marc

Pas de problème,il marche n'est-ce pas?"(No problem, it works doesn't it?)
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post #6 of 24 (permalink) Old 06-03-2010, 12:32 PM Thread Starter
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thanks every one i'll give you an update
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post #7 of 24 (permalink) Old 06-03-2010, 12:33 PM Thread Starter
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Tony why a sudden drop in oil pressure in one day
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post #8 of 24 (permalink) Old 06-03-2010, 12:50 PM
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Quote:
Originally Posted by french277 View Post
La première baisse de chose la casserole pétrolière fait alors pression en haut sur le système de liquide de refroidissement je parie vous que vous trouverez une fuite quelque part si pas le joint alors principal est à peu près fait pour cela.

Si vous avez l'entretoise d'alun l'abandonnent et obtiennent acier verison s'ils l'ont toujours.
{ Ynot pouvez-vous vérifier si cette série peut toujours obtenir l'assiette d'entretoise d'acier ?}

Je pense que votre moteur est allready épousseté ainsi chèque le turbocompresseur pour n'importe quels dégâts j'ai un sentiment le turbo est sur la dernière jambe et regarder le logement de filtre à air et le filtre à air lui-même et voir ce qui se passe.


First thing drop the oil pan then pressure up the coolant system I bet you that you will find a leak somewhere if not then head gasket is pretty much done for it.

If you have alum spacer ditch it and get steel verison if they still have it.
{Ynot can you verify if this series still can get steel spacer plate ? }

I think your engine is allready dusted so check the turbocharger for any damage I have a feeling the turbo is on the last leg and look at the air filter housing and air filter itself and see what is going on.


Merci,Marc
Drop the pan, ive seen head bolts stretch on these causing internal loss of coolant. The head bolts are one time use.

no spacer plate on these series it uses a metal head gasket.

min oil pressure at 1800 rpm @ operating temp is 40 to 60 psi, 10 psi min at idle. They updated the oil pressure mapping for these engines to with a software change here a few months back.
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post #9 of 24 (permalink) Old 06-03-2010, 02:23 PM
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Quote:
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Tony why a sudden drop in oil pressure in one day
I'd hafta lean towards what John said. Contaminants; filter or pump (or sensor inlet hole). It'll have plenty of signs in the pan when you drop it, if that's it...
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post #10 of 24 (permalink) Old 06-11-2010, 03:09 AM Thread Starter
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Pressure checked turbos leaking back into crankcase.Customer talked with dealer where it was purchased from 2 months ago and dealer is going to do an in frame at no cost to the customer
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