Hard starting engine and undetermined leaking of engine oil
Hi! Im Venz, I want to know what is the cause and the solution for my pajero 1991 model with 4d56 engine. Every morning it is very hard to start the engine i check the battery is in good condition. What should be the cause of this problem? Another 1 is the engine oil that drops under the bell housing i replace already the oil seal there but still there is leaking, and i fix the half moon also but still leaking. I cant determined the cause of leaking. Can I ask some advise to my problem? Thanks a lot in advance.
Re: Hard starting engine and undetermined leaking of...
You should check that you are getting power to your glowplug busbar. (thats the alloy bar that connects the power to all the glowplugs).
1.Get a circuit tester and connect the clip to negative earth - 2.Get someone to turn the ignition key to "on" while you hold the tester on the busbar. It should light up for around six seconds I think. 3. If this happens all good than the next step is to check that the glow plugs are turning off correctly while your driving or operating the vehicle.
Also remove and inspect the glowplugs they should be just a nice brown/carbon colour... They should have no chips out of them or damage of any kind.
These 4D56 engines have a glowplug timer that almost always stuffs out. Then they cause the glowplugs to stay on almost the whole time while driving which stuffs them quickly...
Let me no how you get on I have a few easy ways to fix this problem!!!
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Hi, this is not enough information to tell you anything. but pls remove the undervocers, then clean engine carefully, then drive it for a short while, then inspect again. Main suspects are three: Oil filter loose, oil pressure switch is leaking at the threads, or (depends on mileage) could be rear crankshaft bearing worn out.
If oil is coming from above, then there are too many possible causes, including rocker cover gasket damaged, turbo charger leaking oil (is it a diesel?) etc. etc. Just get the engine clean, let it run, then you might spot the leakage.
Regards, Winfried (Austria)
hark a 1991, ZJ jeep. it is. cranks, starts and runs poorly, or stalls ? what? your other post shows 1991. ZJ. which engine? 4.0L inline 6? ????????????????
engine dipstick? i presume? odd sounds? backfire to where, air cleaner or the muffler tail pipe section? if to Air cleaner that is gross engine timing error. or valves, burned up or sticking. in head. no engine stated. so.. cant wax smarter.
backfire to muffler or tail pipe end, is muffler explosions, caused by too much fuel landing there and air leaks in the exhaust path,,,, a whole other set of problems... (air = fuel = boom, there.)
"throws oil out of the dip stick" engine? PCV valve clogged, or far worse.causes oil likes or oil filler cap off to act odd. also caused by gross engine failure. do a compression test. now.
"leak detection pump" in 1991,? not sure what pump you have in mind at all why not post a photo of it. with friend pointing to it
hi i have a pajero io 1998 model GDI. automatic transmission. its hard an engine vibrating and rattling problem. when you put it in drive or neutral the engine starts vibrating vigorously.i know its not the engine mountings as i got those checked so i suspect the idling. i need to find out if anyone else out there has had the same probnlem and if they found a solution?
the smoke is from engine oil, it is caused by leaking valve seals , after the engine is shut down for the day oil is leaking past the valve seals and getting into the cylinders then when you start up the engine the oil is burned off, this is a common problem, and there is a couple of things you can do to help the problem with out taking the engine apart and replacing the seals, try this first at your next oil change add some Restore to the engine oil it will soften the seals and give them a little more life, if this does not cure the problem after a few 100 miles then you will need to have the seals replaced, and this is a costly repair, but you could just live with the smoke it wont hurt any thing just keep an eye on the oil
Save you $$ and bring extra oil. When you do get a chance (downtime) then repair seal/gasket. Oil stop leaks are basically oil thickeners and nothing more. If they actually plugged a leak, they would also plug oil galleries and small oil passages and cause engine damage. Repair when you get the chance.
YOU SEEN WHITE SMOKE THAT HEAD GASKET LEAK.CHECK ENGINE OIL DIPSTICK.IF IT LOOKS LIKE CHOCOLATE MILKSHAKE THATS HEAD GASKET LEAKING CAUSING A LOT OF ANTIFREEZE ENTER THE OIL PAN.CAUSING THE ENGINE TO HYDRASTATIC LOCK.WHEN TOO MUCH ANTIFREEZE GETS IN THE CRANKCASE IT DILUTES OIL UNTIL IT STOP LUBRICATING ENGINE CAUSING CRANKSHAFT BEARINGS AND PISTON TO SEIZED UP LOCK UP THE ENGINE.ENGINE HAS TO BE REPLACED.
It sound like you have oil leaking past the rings on your pistons. This is cause by normal wear and tear. You can tell for sure by taking the oil filler cap off while your engine is running. If smoke comes out, this is the problem. I would suggest going to your local parts store, they will help you find an oil additive to fix the problem.