Over charged for an unfair payment cost for oil change plus Anti-freeze incl. filters

<p>I took my JEEP for a service of 127 000km, i also request a diagnosis report if i may replace other parts.the report came out and iread through, the service was done but 2days later there was a knock in the engine,i called the dealer to come check so they took it as i saw a a leak of water on the engine,they tow it back to Secunda united motors. they charged me for this part ( push rod)damaged part, i paid R9000 FOR THE TOTAL NORMAL SERVICE,</p> <p>After i took the car again the same tool bent ( push rod) then i questioned the black anti-freezer used in the car and the expensive oil used inmy car all i get is you drive an expensive car so be prepared to pay,,and its out of warranty,..so now im charged R89000 for stripping the car as they they found shelving pieces in the sump but during the first service why the shelving was not identified by the dignosis report ?and as they drain oil why itwas not picked up? so they trip and now demand a R4000 de[posit for bearing that they say its also damaged,,</p> <p>this is my concern that my car was ok but afetr all the oiul used and black antifreeze as they say so it all causing problems.?</p> <p> </p> <p>please help</p>