Thanks Danny Much appreciated , we will now carry the parts in stock so quicker turn around time , the repair is not rocket science so would be happy to supply parts to do the repair if people are handy , the cost to return to me and send back is around $40 and labour about $60 if people don't want to do it themselves , if it is only a service then it is around $350 that includes new glow plug ,gaskets , glow plug screen and labour , happy to quote if people are interested , thanks again for the feedback