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My Tuscon diesel AWD gets its first service: 5 significant observations

I was keen to know the diagnostic parameters of my Diesel Particulate Filter and requested the SA to show me the same on the computer.

BHPian debuda recently shared this with other enthusiasts:

I recently got the first free service (10,000 km / 1 year) done on my Tucson Signature diesel AWD at Kolkata. Engine oil, oil filter, engine air filter and AC air filter were changed. Brakes were cleaned and wheels rotated (diagonally). The entire service (including parts and labour) was completely free. I only paid Rs 20.00 for a pouch of windshield washer fluid.

Wheel alignment was not done (found not necessary during test drive).







Certain important observations :

1) Brake pads and discs were almost as good as new. This is in conformity with all my earlier car ownership experiences and is mainly attributable to my driving style which uses brakes sparingly.

2) The flimsy engine bottom guard (officially known as 'Engine Under Cover') was found cracked. I had changed it once earlier for about Rs 12,000. This guard is made of thin plastic (not even fiber reinforced) and is not at all durable. IMHO, this part should have been metallic or at least made of FRP.

3) 7.6 litres of engine oil was put. All Tucson (diesel) owners are aware of the recent controversy regarding the volume of engine oil - whether it should be 7.6 litres or 5.6 litres. I have written a email to the National Service Head of HMIL seeking clarification on this matter and awaiting his reply.

4) I was keen to know the diagnostic parameters of my Diesel Particulate Filter and requested the SA to show me the same on the computer. It was interesting to see that my Tucson has had 9,728 incidences of 'Successful Re-generations of Particle Filter' (I never ever got any DPF warning and so never had to do manual regeneration; since my driving is mostly on highways, I presume my DPF is mostly free of soot due to automatic regeneration at higher speeds). 'Differential pressure at Particle Filter' was showing 0.00 psi at idling, apparently because my DPF is totally clean. I asked the SA to rev the engine and at 4,000 RPM the differential pressure increased to 1.00 psi. Another interesting parameter was 'Total Sulphur Mass' which was 475 mg.

5) I observed that the mechanic measured the specific gravity of battery electrolyte (all cells were around 1300) and topped up each cell by about 30 ml of distilled water. This surprised me somewhat because in my previous car (Ford Endeavour) the battery cell caps were never opened and I was told that it was a 'sealed' battery which never needs topping up. I sold my Endeavour after 5.5 years / 65,000 km with a perfectly working original battery.

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