Bought second hand was company car. I have had to replace whole air conditioning unit and now there seems to be fault with my timing chain there is no way i can afford to pay what they are asking to fix the problem and doing research I find this is a common problem with this model car what can I do about it as I live nearly 200km away from nearest holden dealer I have had local mechanics do the work needed on it and have done gr8 job should holden be able to help me with this and will not doing anything and contiuing to drive with the chek engine light on damage my car