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Originally Posted by benzbala the pick up was sluggish as a snail but some of my friends who own a merc told that these kinda engines would be like that only so got used to that soon. |
These engines are not at all sluggish. Of course you cannot compare them with the cdi engines of today but the 240D holds its fort. Anyone who says these kind of engines are like that only is leading you on a wrong path, trust me.
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the car is an auto transmission and mostly it just pulls along finely except for some occasions where it refuses to run in its usual pickup forward even in "S" mode in flat terrains. In that case, i got to use the "L" mode to make it gain some speed atleast.
Can anyone highlight me what would be the reason for this strange behaviour?
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As Ajmat has rightfully advised, change the transmission oil. I would go a step further and attribute this behaviour to a clogged transmission filter too. Beware, a lot of persons will put in TQ oil, that is the regular power steering oil, which does work in emergencies but i would get the original DB transmission fluid/oil and top it up. It should cost you in the vicinity of Rs: 475-600/- range. The transmission filter will cost you between Rs: 750-1200/-
The first thing to do when you buy a pre-owned car is to change all the fluids, yes all. Engine oil (replace with synthetic), transmission, brake and radiator fluids. Change all the filters, petrol, transmission, oil, air. Now see the difference.
If the problem still persists, get the band setting of the gear shifting set. I dont think this is the problem though because you say the car does not jerk while shifting.
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my mechanic who checked the car intially said that the engine is full of carbon deposits and it got to be flushed every 2.5k kms for a total of 10k so that the engine will become ok on its own. Is that possible?? and another main point of concern is that am not able to get the engine flushing oil here in my city.
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Change your mechanic. Obviously anyone who is advising you to carbonize after every 2.5K kms does not know his job. Sometimes, in an older car and a car that has clocked large mileage, it is better not to decarbonise the engine until ready for a partial or full over haul, as if done, problems arise. In these cases, it might be the carbon deposits actually blocking leaks from worn out places.
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Originally Posted by benzbala have already done the full oil changes and the local mechanic said that the transmission fluid was at the required level |
no top up, change the oil and filters.
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injector pump service because few people warned me against servicing that and said that it would be trouble free for another couple of lakh kms atleast.
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It is important to get the pump setting and calibration done by an expert. Any one else toying with these pumps might actually make the problem worse. IMHO, you might just need a gentle service at the max.
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Can an authorised tempo dealer(now force motors) take up to do this engine check and if needed the necessary works in it?
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NO NO NO NO NO NO.......NO!! just forget about this option please!! Dont even consider it.
As Ajmat pointed out parts are really cheap and available so go ahead and rectify whatever is wrong now.