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Offline Giacomo  
#1 Posted : 31 July 2019 16:37:34(UTC)
Giacomo


Posts: 172

So it happened after an 100 mile trip, then it disappeared next morning.

2 days ago it happened again but this time it didn't stop anymore.

Sadly I am in holiday and can't go to the dealer. Any thoughts ?




PS. Should be noted it happened 2x times on very hot days of 28-32 Celsius.

Edited by user 31 July 2019 19:20:19(UTC)  | Reason: Not specified

Offline Giacomo  
#2 Posted : 31 July 2019 16:38:38(UTC)
Giacomo


Posts: 172

Any thoughts what it might be ?
Offline Black225  
#3 Posted : 31 July 2019 16:42:35(UTC)
Black225


Posts: 1,106
Location: On The Edge

Fuel pump?
Offline foxspeed  
#4 Posted : 31 July 2019 17:23:21(UTC)
foxspeed


Posts: 21,605
Location: retour dans la bulle

possible pump or the evap system...is it low on fuel? have you removed the fuel cap to see it if stops?
Offline Giacomo  
#5 Posted : 31 July 2019 17:25:51(UTC)
Giacomo


Posts: 172

Fuel is 50%. The sound appears to come from under the car, tail zone.

What fuel cap should I try to remove?

Also, what evap system you mean ?

Edited by user 31 July 2019 17:27:59(UTC)  | Reason: Not specified

Offline foxspeed  
#6 Posted : 31 July 2019 17:34:07(UTC)
foxspeed


Posts: 21,605
Location: retour dans la bulle

Originally Posted by: Giacomo Go to Quoted Post
Fuel is 50%. The sound appears to come from under the car, tail zone.

What fuel cap should I try to remove?

Also, what evap system you mean ?


ah its just a flap on them now with the seal on the back of the filler flap - so open that & see if theres a change

evap - fuel vapours from the tank/injection system is vented back to the tank via a charcoal filter/canister usually
Offline Giacomo  
#7 Posted : 31 July 2019 17:36:22(UTC)
Giacomo


Posts: 172

Originally Posted by: foxspeed Go to Quoted Post
Originally Posted by: Giacomo Go to Quoted Post
Fuel is 50%. The sound appears to come from under the car, tail zone.

What fuel cap should I try to remove?

Also, what evap system you mean ?


ah its just a flap on them now with the seal on the back of the filler flap - so open that & see if theres a change

evap - fuel vapours from the tank/injection system is vented back to the tank via a charcoal filter/canister usually


Anything I can do ? Could it be serious ?

Edited by user 31 July 2019 17:54:15(UTC)  | Reason: Not specified

Offline Giacomo  
#8 Posted : 31 July 2019 19:19:41(UTC)
Giacomo


Posts: 172

Should be noted it happened 2x times on very hot days of 28-32 Celsius.
Offline RED21  
#9 Posted : 31 July 2019 20:14:09(UTC)
RED21


Posts: 863
Location: New Forest

It is possible that the pump is running at full speed to help cool the fuel system with extra fuel flow around the vital bits.
Offline vasterad  
#10 Posted : 01 August 2019 18:57:34(UTC)
vasterad


Posts: 221

I had exactly the same a few times just after engine start up.
Offline ibatzakas  
#11 Posted : 09 August 2019 21:11:03(UTC)
ibatzakas


Posts: 12

I confirm the noise as well in my Trophy, I am trip holiday from Uk to Greece , hopefully is something Renault parameter or setup of the car ...
Offline Giacomo  
#12 Posted : 12 August 2019 08:35:48(UTC)
Giacomo


Posts: 172

So far I see it happening only on very hot days, I already talked with the dealer who said they want me to visit them when it happens live so they can see it too. Will do that with first occasion.
Offline danspanky  
#13 Posted : 22 August 2019 11:08:56(UTC)
danspanky


Posts: 7

Assume tone doesn't change if you rev/change engine speed?
Offline Rusbe  
#14 Posted : 02 September 2019 18:19:37(UTC)
Rusbe


Posts: 12

Pump noise, volumetric module problem causing this noise from full tank to middle tank. When you get middle tank or cross it, the noise stops.

If you change the pump, you have a 50/50 likely to be solved or appear.


Renault has the noise in study.
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