1981 1.6 actually its an after market turbo.the problem is its using oil like crazy. it still runs really good just burning a lot of oil.im wandering if it is the turbocharger burning it .Could I plug the oil & water lines to the turbo and run it around to see if it stops?
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if this a diesel engine with a controlled shut down after turning the key off, there is no need to extend the idle period as 3 minutes is ample time to allow the turbo to slow down and cool down
understanding how a turbo works is the key to the answer as the turbo is already cooling down and slowing down as you are coming to a stop and the extra 3 minutes is a safety period to complete that process
If you are concerned about a turbo failing then there is an accumulator that can be purchased after market that is fitted to the oil circuit of the turbo
It has a bladder in a case and oil pressure pressurizes that bladder so that when the engine is stopped , that oil is pushed back through the turbo bearings It can be fitted to any turbo engines
it is particularly useful for engines that are subject to stall conditions such as 4wd that are operating in conditions where clutch operations causes the engine to stall
however to answer your question , there may be a small adjustment in the side of the timer box or in the box that can be reset to longer time
however long idling of an engine is not good for the wear factor of the engine
oil in the turbo to manifold section is indication of a failing turbo
To understand turbo operation , they do not have bushes or bearings that are a close fit on the shaft but have a floating bush that is dragged around by the friction of the oil ( turbos spin at up to 150.000 rpms under full power ) so the effect is that the differential speed of shaft to housing is halved by the bush rotating
unfortunately , what destroys turbos is , when the engine stops with the turbo shaft still spinning and very hot , the shaft touches the bush and the oil seal fails allowing oil into the inlet side of the system and out the exhaust side as well
If the mechanic has recommended that the turbo be replaced , I would say from what you write that it is a fair assessment of the problem
as to the rest , you can get that information from a service center that has experience on the make
It has to be a diesel oil 20w 40 grade depending on work conditions and atmospheric temperature
oil filter should have a nonreturn valve in the filter,- air filter should be replaced --not washed
there are many good brands on the market so it amounts to personal preference
One thing I always recommend to customers is to spend a bit of cash and install an oil accumulator for the turbo and a delay switch to switch off
the accumulator becomes pressurized with oil when the engine is running and if the engine stalls or is shut down quickly, that stored oil pressure still feeds oil to the spinning turbo for up to 3 minutes , which is enough time for the shaft to slow down
There is the possibility,the turbo was going out and the previous owner had thicker oil with oil treatment additive in the engine,hiding the turbo seal problem.Did your service include an oil and filter change? Your new regular (proper viscosity) oil may now be showing the leaky turbo seal.Did you have a oil change done at your service?Once you have the seal/turbo rebuilt,may sure to always idle the engine a minute before shut off after fast driving.This will increase the life of the turbo seals.
if you having problem with turbo like hearing turbo noise or see blue smoke meaning turbo seal leaking time for overhaul.best thing for turbo do regular oil change.dirty oil will wear out ruin turbo shaft bearings.
The turbocharger is normally lubricated by the engine oil. That is why it is imperative to do oil changes on turbo engine at 3000 miles rather than the recommended 6000 for normal engines, and that you use a good quality oil without adding any extra additives. There are oils marked for turbo engines, but make sure it is one backed and marketed by a reputable oil/petroleum company.
yes perfectly ok ,i would use a turbo diesel oil thats suitable for diesel and petrol engines and the cheapest one at that then change oil every 6000 miles with a oil filter every third oil change ,Do not spend money on expensive boy racer market oil use what the trade uses something like shell rotella and do not be fooled by fancy adverts like liquid engineering and all that stuff these fancy long life oils cause more engine failures than any cheap oil which is changed at regular intervals to prevent a build up of internal clagg inside the engine
The IC will have some blowby oil in it, but if you are referring to the small radiator looking thing on the passenger side that has two oil lines running to it, you are actually talking about your oil cooler. The IC is rather large by comparison and sits directly behind the bumper and directly in front of the radiator and it runs the full side to side length of the radiator. It has a large inlet hose from the turbo and a large exit hose to the turbo delivery pipe that runs to the throttle body. If you have a leak in the IC, you will notice decreased boost at WOT. If it is actually the oil cooler, keep a close eye on it. These do fail given enough time, and a small leak will become a large one, usually at the worst possible moment. Ultimately, you will have to replace it. The stock unit is costly. Some people use an aftermarket and relocate to in front of the radiator and above the IC. Flex-a-lite makes several that will fit this location. Remember, if you go this route, you will need longer hoses.
hi there, there are chemicals on the market that will soften up the seals but these take time to work i would suggest changing the turbo, you will also have to remove the oil from the exhaust system this can be done with other chemicals like an upper cylinder cleaner feed directly in to the air intake but only after the turbo has be fixed
If you let the car idle when you stop driving it gives the car time to recirulate fresh oil through turbo bearing , since the turbo gets extremely hot from the exhaust side (and spins at very high speeds) you really should also run full synthetic oil on turbo cars to extend turbo life.regular motor oil tends to burn and carbon up in turbo bearing and causes premature turbo failure .