Hissing noise under load. - MINI Cooper Forum

First Generation MINI Cooper S MINI Cooper S 2002 - 2006

User Tag List

 
LinkBack Thread Tools Rate Thread
post #1 of 5 (permalink) Old Nov 20th, 2012, 04:30 PM Thread Starter
MINI2 Newbie
 
Join Date: Nov 2012
Local Time: 08:18 AM
Posts: 9
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)

United Kingdom
 
Hissing noise under load.

Wonder if anyone has has this problem, I'm hearing a hissing noise from under the bonnet when I accelerate. I can hear the usual supercharger whine but then a hiss comes in. I've tried to make the noise when parked up and reving the engine but it only seems to happen then I'm driving. Sounds like a leak but I'm not sure if its some sort of release valve.
tonka007 is offline  
Sponsored Links
Advertisement
 
post #2 of 5 (permalink) Old Nov 20th, 2012, 05:04 PM
MINI2 Master
 
Join Date: Feb 2011
Location: South london
Local Time: 08:18 AM
Posts: 1,222
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)

United Kingdom Male
 
Hi ya

Is it a standard MCS if so

Remove the intercooler cover only 4 torx screws
Have a good look at the rubber intercooler boots, make shore there fitted properly and are not split. You can run the car as well see I you can here it hissing with the cover off.
Do the brakes feel ok ?
Also check your spark plugs they have Tendency to come undone, so while your there always worth checking

Hope this helps
marque is offline  
post #3 of 5 (permalink) Old Nov 21st, 2012, 02:31 PM Thread Starter
MINI2 Newbie
 
Join Date: Nov 2012
Local Time: 08:18 AM
Posts: 9
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)

United Kingdom
 
Yes it's a standard MCS. I will give that a try, I does sound like a leak of some sort. Yeah the brakes are fine. Why ask, Could it be a braking issue? It's only when I put my foot down not brake
tonka007 is offline  
post #4 of 5 (permalink) Old Nov 21st, 2012, 02:42 PM
MINI2 Privilege Member
MINI2 Master
 
Join Date: Mar 2012
Local Time: 08:18 AM
Posts: 3,383
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 10 Post(s)

United Kingdom Male
 
Quote:
Originally Posted by tonka007 View Post
Yes it's a standard MCS. I will give that a try, I does sound like a leak of some sort. Yeah the brakes are fine. Why ask, Could it be a braking issue? It's only when I put my foot down not brake
I think they were referring to the fact it could be a vacuum leak at the brake servo or servo hoses from the vacuum pump on the engine.
The Nun is offline  
post #5 of 5 (permalink) Old Nov 21st, 2012, 04:57 PM Thread Starter
MINI2 Newbie
 
Join Date: Nov 2012
Local Time: 08:18 AM
Posts: 9
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)

United Kingdom
 
Ah right, as far as I can tell they are fine. Think I'm going to have to take it somewhere to get checked out. Last thing I want is the supercharger going or something like that. Anyone recommend a mini specialist or decent place to go in the Newcastle area?
tonka007 is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the MINI Cooper Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Rate This Thread
Rate This Thread:



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome