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Megane mk3 1.5dci tapping sound on idle

lasalle · 2020-07-02 21:02:46

Hi My megane mk3 makes this distinctive tapping noise on idle, it doesnt sound right, It comes and goes every 20 seconds or so. Timing belt was changed last year at 100k km, i have checked the glow plugs (resistance check) and they appear to be fine. If any renault guys have heard this before on the 1.5dci engine id like…

02-07-2020 10:02PM

#1

lasalle

Registered Users, Registered Users 2 Posts: 48 ✭

Join Date: March 2008

Posts: 35

Hi
My megane mk3 makes this distinctive tapping noise on idle, it doesnt sound right, It comes and goes every 20 seconds or so. Timing belt was changed last year at 100k km, i have checked the glow plugs (resistance check) and they appear to be fine. If any renault guys have heard this before on the 1.5dci engine id like to know what you think.

https://www.youtube.com/watch?v=pWESxpwbIbM

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Comments

#2 03-07-2020 12:39AM

Polo_Cluvie

Registered Users, Registered Users 2 Posts: 439 ✭✭

Join Date: August 2013

Posts: 345

Im not a Renault guy but that sounds very like diesel knock possibly caused by a faulty injector. A leak back test is in order would be my advice

0