Consider the following scenario:
The service centre of a very popular product X is very bad in every aspect of customer satisfaction; in fact, just once, I submitted my product for repair, they took almost 2 moths to return it to me and finally when it reached my hand the transportation had made it even worse. The experience of only that time has made my pivot of belief feeble (or) my faith weak upon the product. If this happens one more time, I would surely loose my hope on them.
I don’t feel the bolded parts are the right way to express this feeling. It’s like, I still did not lose my hope, but if the same thing happens one more time, I surely will.
Idiomatically, you could say that the experience has shaken your faith, or that it has raised doubts, or that it has given you second thoughts about the product.
Also there are several other issues with your paragraph (e.g. fixation does not mean the process of being repaired, and you use loose where you need lose); you might rewrite it along the lines of:
The service center for the very popular Product X is bad in every aspect of customer satisfaction. In fact, the one time I had to send in my product for repair, they took almost 2 months to return it to me; and when I finally got it back, it had been damaged in shipping and was in worse condition than when I’d sent it in. That experience has really shaken my faith in the product; if I have another experience like that one, I’ll probably give up on it.
Source : Link , Question Author : Mistu4u , Answer Author : Hellion