strange sound from the engine

friends I went to an authorized peugeot service in ankara for maintenance on 15 thousand. After coming from the service, a sound like the cricket's creaking began to come from the engine, the sound starts to come after the engine warms up, and the intermittent rhythmic sounds (like once a second), they went to the service again the next day and tried to find the source of the sound for about 4 hours, but they failed. . After bringing another 207 and starting the car and warming up the engine, "See the same sound comes from it, they said it sounds normal" & nbsp; when I show it to a master in the industry, the master says that the sound is not normal. My car 1.4 diesel 207. I would appreciate if friends with knowledge on the subject help.

What is the cup or what is the trouble in my head .. It looks like it is at the top of the valves, the sound is when the engine gets hot because the oil gets thinner ... I try to idle it when I press a gas, if the sound intervals are decreasing, I think it is a cup if it crank faster, but I do not understand how it can not find the service.

Does it come serial serially or sound irregularly?

it can also come from the belt tensioner

the sound you call & nbsp; v makes a sound that comes out of the tensioner bearing of the belt every second

the sound of the v-belt in my 307. is there a cure for this ??? I had 206 before that. the same sound is coming from it .. I poured baby powder, it was losing sound. it was going on for a while .. & nbsp;

[QUOTE = mesutay20] there is sound in v 307 v belt. is there a cure for this ??? I had 206 before that. the same sound is coming from it .. I poured baby powder, it was losing sound. it was going on for a while .. & nbsp; [/ QUOTE]
v lie from those who say that I have no friends that sound from the v belt. While I was using the 307, the charge dyno margin engine in that section was not cut, although I replaced all of them, including the tension ball and the iron, the crankshaft pulley and the belt, with the original parts at the authorized service. It was like it was cut, it appeared a few days before selling the vehicle. I went to the service again.

I gave it to the service, the sound was heard when I got it from the service, I went again, they said normal normal just like yours & nbsp; I stubbornly, I left the car because I wouldn't know my car, they repaired the timing belt.