Question about Craftsman 20 Hp 42" Deck Lawn Tractor

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I have a craftsman DLT 3000 with a Kohler 20 V-Power twin engine. Oil is leaking directly over exhaust which results in smoking. I'm not mechanicaly inclined. Oil appears to be coming from an aprox. 4" square block on right hand side. Any ideas.

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Posted on Jan 02, 2017

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SOURCE: i have a craftsman Dlt 3000 riding mower with a

no model # on my DLT3000. Replaced rear fender a few years ago where the model # used to be. I can't get the right parts w/o model #. It was by my dad sometime between '04 and '07. It's red w/42" cut, 20hp koler pro motor.

Posted on Aug 20, 2011

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Isuzu 3000/Diesel/Turbo/Wizard, I can see a bit of Oil coming from Intake/ThroughBody direct to the Turbo & there also a White Smoke from the exhaust + Misfiring and the car is not pooling as uses to be......


Turbo shaft oil seal is probably leaking a little bit, though not ideal it isn't unusual and not particularly detrimental (mostly).

The white smoke indicates either a water or coolant ingress into the combustion chamber or an excess fuel condition. A small fuel excess usually results in a increasingly dark smoke, grey to sooty black and sometimes an increased diesel knock but large amounts of excess fuel results in white smoke which is unburned fuel.
This is often the result when the fuel injectors are sticking, dribbling, leaking and misfiring could also be a further symptom. Bad starting could be caused by several things needing attention but poor injector performance can be a major factor.

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How do i fix a smoking Kohler 535cc engine?


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Why is my 2000 kia sephia blowing blue smoke from the tailpipe. it has 86,000 miles. the check oil warning light is on even though the dipstick reads full.


The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. This is most frequently seen in older or high mileage cars with worn seals and gaskets. It only requires a very small amount of oil leaking into the cylinders to cause excessive blue exhaust smoke.

Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure.

Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. In addition, a reduction in power and oil loss can be indicators that the blue exhaust smoke is caused by an internal engine oil leak. Internal engine oil leaks can also allow fuel to mix with the oil in the crankcase which will degrade the oil and prevent it from adequately protecting the engine.

Operating a car with a severely dirty oil filter, air filter or improperly functioning PCV valve can also sometimes result in engine oil blow-by, oil loss and blue exhaust smoke. Periodically checking the engine oil level with the oil dip stick will indicate if there is excessive oil consumption. Higher viscosity engine oil can sometimes temporarily reduce the amount of blow-by; however, this is not generally recommended. Excessive blue exhaust smoke indicates a possible internal engine oil leak that should be inspected by an ASE certified mechanic.

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1 Answer

26hp kohler engine started smoking suddenly. still runs good.whaat would cause this problem.


Head gasket blown. This is a very common issue with these V twin Kohler engines. There is a kit you can order from Kohler that includes gaskets and new improved head bolts. Simple hand tools is all that is needed. You will need an inch pound torque wrench. Torque specs are included in the kit.

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1 Answer

Why is my 2012 21hp sears 42" lawn tractor blowing smoke


If it is a V twin Kohler engine, you may have a blown head gasket. It is a common issue. Great engine but has this one issue. Kohler has a head gasket kit with improved head bolts. Torque specs are included. You will need a inch pound torque wrench and common hand tools.

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1 Answer

What causes Kohler 20 HP engine to smoke off exhaust after start up?


Have you tried pulling the hood off cleaning any oil contamination off the suspected area then start it and watch while it's clean. It seems weird that a valve cover gasket would be the failure after two repair shops looked at it. You may need to look close at the head gasket could possibly being blown forward. I know you said it leaks so I'm assuming there is nothing actually coming from within the motor being blown through the muffler I have seen these motors burn oil heavy on startup than clean up after warm.

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I have a craftsman Dlt 3000 riding mower with a 20hp kohler v twin . engine starts and runs for 5 seconds and shuts off


no model # on my DLT3000. Replaced rear fender a few years ago where the model # used to be. I can't get the right parts w/o model #. It was by my dad sometime between '04 and '07. It's red w/42" cut, 20hp koler pro motor.

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Craftsman riding mower 2003 DLT 3000 ,Blowing oil out of the fuel


Head gasket is blowed .Its building pressure in the crankcase seen it twice. Remove the head and check for a blowed out spot between piston and the valve side

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Craftsman mower with 26hp kohler smokes when i cut on hill, why?


what happens is the oil gets into the valves which will come out the exhaust when on level ground after a side to side or going straight down because the valve's are in the front of engine which is pointing to the front of mower you wont hurt the engine if it does that i would just check the oil often to make sure it doesn't run out

Jun 13, 2009 | Craftsman 26 hp 54 in. Deck Deluxe Yard...

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