Toyota — no response or technical assistance in respect of turbocharger of toyota fortuner

Address:

Vadodara, Gujarat, 390020

Our following complaint dt 20.08.2018 to toyota kirloskar ltd is yet not resolved till date.
Dear sir,
We refer back to your good office with respect to one technical problem in turbo charger of our toyota fortuner, ‎with specific details as u der ;
Vehicle registration no - gj 06 dq 2233
Model code - kun51r - nkmsyk
Engine no - 1kd 6450591
Vin no - mbj 111jv[protected]
‎od meter - 3, 20, 000km
We are using toyota vehicles since last many years and are one of patron customers who get their vehicles serviced only at toyota service centers.
We are based in vadodara gujarat. ‎recently our toyota fortuner had encounter one problem, viz. It started making whistling siren type low noise while changing gear from 2 nd gear to 3 rd gear and then onwards. Immediately we sent our vehicle to authorised service station, narmada toyota, makarpura, vadodara. We were advised that the turbo charger unit is gone and it needs replacement and further they stated that there is ply in fins of turbo charger so it needs to be replaced complete unit costing rs. 1, 25, 000/-.
We need your valued technical assistance on following issues ;
1). What is average operational life of turbo charger unit of toyota fortuner?
2). When does turbo charger complete unit is to be replaced?.
3). Is the diagnosis made by authorized service station, viz narmada toyota, makarpura vadodara proper and right or is there any ambiguity in diagnosis of whistling noise??.
4). What is the mechanical remedy in event if any ply being there in fins of turbo charger??.
5). Is the noise of any bearing or pulley which is interpreted as being ply in fins of turbo charger??
6). Cost of turbo charger unit as quoted of rs. 1, 25, 000/- incl of all taxes ‎, is correct and right price of part??
7). Do we really need to change the complete unit of turbo charger and install new unit??
8). What techno commercial support your good office can extend to us in this matter??
9). What is the failure rate ‎percentile of turbo charger unit in toyota fortuner model, india specific??.
We are one of those few patrons who regularly get toyota vehicles serviced on time and at authorized work shop only, we expected our toyota fortuner model to be fully operational till atleast 5, 00, 000 kms without any major mechanical problem.
We request your good office to pls look into this matter and help us. ‎we are advised to send our vehicle again to narmada toyota workshop on this thursday, i. E. 23/8/2018 with service advisor mr. Sachin.
In anticipation of your kind continued co operation in this matter, we remain,..
Warm regards