unsatisfied with service ans incomplete job.

june 2015 i took car to nissan it was not moving because diesel pump was not fitted correctly i hope them as they are dealing with nissan they will able to assist on the problem , when times goes i call them because it was almost a month the car still at the workshop with no improvement , i phoned manager and lay complain then they started to wrk on the car and i was told that they will order another part because pump was not fitted correctly , they order parts and fit to the car on the 20/08/15 i went to fetch the car and pay R13 162.80 and the car was moving but the problem it was the power when you drive it reduce the speed and Matome told us that we need to get electrician to fix it and the was the light as well on the car . i took the car for diagnosed and we got the report that was send to Matome because the problem it was timing and second report same thing again , the electrician told us that problem is pump timing was not set correclty then i phoned them ans send the report but Mtome still deny the problem of timing he keep on saying is turbo pressure , and i took the car on the 18/11 and explained the problem they told me to pay 780 and more payemnt if they had to