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Old 23rd March 2012, 10:55   #1
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Question Why do problems crop up after routine servicing so often?

Friends,

I have read numerous reports on various threads on this board that something didn't feel alright after a routine 1st, 2nd or 3rd service of the car. Sometime the pick up is affected, at other times gear seems not as good, etc. The latest example is Schouchary's post on his Ritz VDI where he felt something was wrong after the 30000 km service. If you try to search for 'problems after servicing' you will find innumerable examples.

I am very puzzled why this should happen after a routine servicing. Is there something special about cars (as an electronic/mechanical system) or is there something wrong about the way servicing is done.

I am a new driver, just driven around 5000 km in my first car - a Toyota Liva Diesel. After the first free service at 1000 km, my car felt excellent to drive.

I have read so many individual reports on Team-BHP where some new problem has cropped up after servicing. But could not find any general discussion on this topic.
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Old 23rd March 2012, 14:05   #2
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Default Re: Why do problems crop up after routine servicing so often?

well. I think it is partially true. So, first of all, assuming most cars are among the big three (Maruti, Hyundai and Tata), we cannot generalize the service experience across all cars.

I personally feel that the big three have so many cars that we also hear more such experiences. But yes, perhaps due to such a huge pressure to service many cars, some things may not be replaced properly and hence we hear of problems after the service.
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Old 23rd March 2012, 14:33   #3
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Default Re: Why do problems crop up after routine servicing so often?

Well, the problem is not so rare. And it seems to be fairly well-recognized too. If you read the threads on preparations before a long trip, it has been mentioned that one should get the service done at least a week before the trip so that in case of post-service problems one has time to address those.

I wouldn't know whether the problem is more with the big three as you say Deep Bang. It would require digging through hundreds of threads. But the pressure on servicing personnel would be great even for other smaller manufacturers since they will have proportionately lesser facilities.

If it is just because of parts being not fitted back well after taking them apart, then I would say that that is the least one would expect from the service centres.

From what I gather from reading various threads here, it seems there are two kinds of problems:

One is specific problems that crop up (like a noise), and the other kind is a subtle change in the behaviour of the car after servicing. For example, the drive is not as smooth, or the accelerator pedal has to be pressed a little more for the same acceleration. These subtle changes are difficult to address and are more qualitative and difficult to pin down to some mistake.
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Old 23rd March 2012, 15:43   #4
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Default Re: Why do problems crop up after routine servicing so often?

Unfortunately, service centers rarely follow SOPs for any form of service except the regular type, so a lot depends on the individual technicians. A a result, there are far too many instances of people having landed up with major issues after visiting a SC to get a minor issue corrected.
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Old 23rd March 2012, 15:56   #5
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Default Re: Why do problems crop up after routine servicing so often?

Mostly they assign the newest apprentice to the routine servicing. As used to be said in the UK, servicing was mostly fill air, and kick the tyres. I have had a Escort MkI where the rear oil seal was changed and the diff. left dry?!
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Old 23rd March 2012, 17:41   #6
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Default Re: Why do problems crop up after routine servicing so often?

Quote:
Originally Posted by jhaji View Post
Is there something special about cars (as an electronic/mechanical system) or is there something wrong about the way servicing is done.
Neither the cars complexity nor the way servicing is done is a problem. Most of the time the service engineer has missed doing something which needs to be done (Like filling oil after changing seal).

Lately i have seen these folks have a checklist of things that needs to be done, just so to remind the Engineer and his Leader so as nothing gets missed.

In my 15 years of car ownership, never had such a case in my regular service. Maybe i am lucky.
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Old 24th March 2012, 12:41   #7
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Default Re: Why do problems crop up after routine servicing so often?

Note from Mod: There are several spelling & grammatical errors in your posts. This negatively affects the board experience for other readers.

Kindly ensure that you proof-read your posts prior to submission. Also, it would be a good idea to use spell-checkers.

Last edited by GTO : 27th March 2012 at 12:54.
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Old 5th May 2013, 10:45   #8
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I was searching for a thread to post my query and found this one. Here is my problem.
I got an SMS from Harsha Toyota Chennai on 3rd May about a free summer servicing campaign. Since I had done a long trip to Kerala two weeks back on my Liva GD I jumped at the opportunity. Also since i had to get a music system fitted I took an appointment for 4th May.
Reached service centre at Velapanchavadi at 9.30am. Car was taken in for general check-up which was done by12.30pm after which the music system was installed ( Pioneer DEH2590UI). I was satisfied with the sound quality of the stock speakers.
Satisfied I started my drive back home to Tambaram.
On my way back after crossing the toll booth on Chennai bypass road I noticed a strange sound through the steering column during deceleration. Also a whining sound is heard from the engine which was not there earlier. I thought this might be a one off incident and continued towards home. Just before reaching my home I hear the same sound.
Am planning to take it back to service center this weekend.
Any observations from BHPians?
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Old 5th May 2013, 10:52   #9
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Default Re: Why do problems crop up after routine servicing so often?

Careless-ness !

And this is the reason that they say not to get a servicing before a long drive. Before a long drive, do get it checked .. but not serviced.
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Old 5th May 2013, 23:51   #10
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Default Re: Why do problems crop up after routine servicing so often?

When someone has been under the bonnet, it is the brain's way of thinking to assume that the occurrence of a new noise or driving character shortly afterwards is directly linked to the mechanic doing something wrong. This may be the case, but it is certainly not always so.

Replacing spark plugs with new ones with the correct (smaller) gap will alter the engine's feel. If the old plugs were all still working correctly but the gap had opened up much then new plugs will probably make the engine feel slower.

The driver gets used to the way a car is going and when this changes he often assumes that the change is wrong, particularly if the car isn't as quick, for example.

Since I have mentioned spark plugs, it is worth noting that in my experience there are many more faulty (new) plugs around than there used to be, in Europe at least. Faulty plugs may not prevent an engine from running but will adversely affect the way it runs and the response.

In the days of carburettors, when points and condensors were used to make and break the LT circuit, the performance of the plug was vital to make the car start. Today with electronic fuel injection and spark management, a poor plug will not have such a large effect on the engine's running.

I believe that some plug manufacturers have lowered their quality standards with this in mind - one of the Japanese giants is making plugs outside of Japan and these in particular seem to have higher fail rates/more are faulty when new.

Servicing a car to a high standard is an art, which few mechanics master. In my experience, main dealers are worse than the average independent garage workshop. In Britain, most car enthusiasts use independents which only work with one brand , even through a warranty period.

Many potential problems can be prevented by regular servicing at the same workshop - extending intervals beyond 6000 miles often ends up costing more, since brakes which are almost half worn will often be replaced - since they could wear out in the long time before the next service.
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Old 6th May 2013, 00:10   #11
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Default Re: Why do problems crop up after routine servicing so often?

Pressure washing the engine bay is ok?

I ask this with respect to the various sensors and electronics in the engine bay.
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Old 6th May 2013, 01:07   #12
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Quote:
Originally Posted by ramzsys View Post
Pressure washing the engine bay is ok?

I ask this with respect to the various sensors and electronics in the engine bay.
Few months back my car's crank sensor did go kaput some days after getting a pressure wash. Not sure whether they were related or not though.
Mine might seem like a one off case but after that I've never let anyone put water in my engine bay.
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Old 6th May 2013, 14:21   #13
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Default Re: Why do problems crop up after routine servicing so often?

This is really an interesting topic I would say. I am sure this happens in almost all the A.S.S.

I've never left my car or bike to a mechanic, went back home and collect it later. I started developing this habit after having some bad experiences. I take my vehicle to A.S.S only if I'm left no other option . And when I do take it to A.S.S I try my best to get in to the workshop and take a place along with the mechanic/service advisor by talking some vague topics and false appreciations of their outlet.

One such occasion, I found that the technicians working there are mostly from other states (for example, in maruti you would find the techs from kerala). And surprisingly, they are in more of assistant kind of roles. After a theory session they are given a customer's vehicle for practical sessions.

A service advisor was testing if a fuel pump was working or not by connecting it directly to another car's battery. The water wash guys do a engine bay wash with pressure wash. They do not even bother to spray WD-40/some kind of moisture sealant on connectors before spraying. Once when I took my Baleno to maruti and informed them about the door rattling, a technician immediately pulled out a door pin from the inside of another swift car and put it on my Baleno's door . When I purchased the Baleno the siren of Nippon security was missing. The sales guy was behaving friendly with me and I enquired what happened to it. He very casually said, "Saar, it should have gone into another car before selling." I had to fit a siren for 750/-

I can go on an on with the procedures followed by A.S.S because of which problems crop up. Not all cars develop trouble after service but 2 out 10 cars do. You should be lucky if you car is one among the rest 8 cars.

I now choose to take the car/bike to a mechanic only for that trouble and more importantly do preventive maintenance.

Good luck to all!
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Old 6th May 2013, 19:49   #14
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Default Re: Why do problems crop up after routine servicing so often?

I would never pressure wash any car with electronics running the show. Too much at stake, there are plenty of accounts of damage done.
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Old 6th May 2013, 22:28   #15
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Default Re: Why do problems crop up after routine servicing so often?

Competency is important.I had given my 97 800 years ago at Sai Service MASS.They messed up the carb settings as it seems the new mechanics were not trained to tune a carb as they were used to MPFI technology.This happened even with a another MASS with me where the car refused to start the next day and on both occasions i had to resort to call in a independent garage to get the issues fixed.The bozos at MASS even had once fitted the petrol filter in the wrong direction.

I guess the issues happens because servicing a car is more of a preventive maintenance rather than a repair.Before we give the car for a service it's usually running fine.The mechanics at the service center open up stuff like oil filters,battery terminals etc and may forget to put everything back in proper place.So a car which was running fine perfectly before now ends up with having a improper adjustment/fitting etc causing things to go wrong sooner or later, like in my case where the car refused to start the very next day it had come in from a service.

Best as someone had said is to service a week or two before going on long drives etc.
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