Whistle sound from GTI engine... Water Pump Failures

[nickSFC]

Slam - Southern Classic Cars in Wollongong. They seem pretty good so far. I didn't buy through them, they are just my local dealer (5 minute drive from home) but they seem keen to help!

Interesting... i'm the reverse

Bought from them, but Barloworld Mascot is my closest dealer.

I'm stopping in there tomorrow to try and see if i can get the wastegate clip installed, but I've also heard this whistle a few times. However i'm not really sure of the conditions where it occurred, so i can replicate it for them on the test drive. Hopefully they'll know what im talkin about.

[johnvw]

Hi All,
Great to hear VW are replacing the water pumps BUT has anyone indicated just what is causing the problem.
I mean a number have already been replaced and the noise has returned, ... what happens after warranty.
Anyone have a good VW contact who may be able to identify the noise ( not just replace the item ).
My noise has not returned and water pump not replaced ( fingers crossed ).
Regards John

[buzuki]

theres no point replacing them atm. Later cars after a certain engine number already have a revised pump from factory, and it still makes the noise.

Vw aus are hounding germany to get a fix. But they are finding it difficult to come up with a resolution atm.

The current fix unfortunately will still show the problem again after some time.

It happens when you get back on the throttle from say 1800rpm to 3000rpm.

To test in a manual. CLutch out rev the car noise will be there, clutch in and rev and noise will be gone. DSG has to be driven to reproduce

[johnvw]

HHmmmm,
And after warranty will we soon be forgotten. This issue MUST be followed up.
Regards John

[JPanDAX]

Johnvw - noticed you had posts on US sites. Mention of DV. Did you check yours, was that the problem.?

I am finding that once I warm the car up and especially when I give it a bit of gas it starts to whistle consistently without fail.


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[johnvw]

Dear JPanDAX,
Interesting and sad to hear the problem is being experienced by other forum members. Sorry but I am an ar.e, I think the DV is diverter valve and has something to do with relieving pressure from the turbo ( I said I was an ar.e).
I first became aware of the whistle when my wife drove up under the carport, unusual noise I thought. Flipped the bonnet, tried to isolate the noise and posted the thread. WHAT was interesting was that I had previously removed the lid and topped up the coolant container. Shortly after, the noise did not return and all has been o/k since. I did confirm the water pump is of the most recent design (BA), from memory.
In my case the noise was only hear at idle ( just before turning the engine off) and was isolated at the water pump, no other regions of the engine contributed to this whistling noise, WHAT happens when the car is driven is another matter. I doubt anything could be heard over the engine noise anyway.
My greatest concern is warranty, as we plan to keep the car forever ( I have not told my wife as yet) and I have just fitted a loverly 42 DD Catch Can from Carformance ( I trust VW will understand I am only trying to enhance the longevity of their engine. I guess we will see.
Best Regards
John

[Sir_GTI]

I had the low coolant alarm come on in the car 6 months after purchase, refilled and never happened again. i did have to top it up weekly though, and at first service I mentioned this. It was checked and nothing found, but asked to keep an eye on it, return in 6 months and let them know how it went. Never had an issue after the service with coolant levels.

I then had this issue appear about 10 - 11 months after getting the car. A dry bearing squeel under hard acceleration, nothing at idle or normal driving. I took it to Derek, and low and behold it was dead quiet, nothing .....

I decided to live with it, and have VW look at it at the next service.

Now, it has just stopped, and I have not heard it since. I was so used to it, I just learnt to ignore it, but now it is not present at all, and hopefully stays away.

I will get the W/P checked at its next visit to VW in 2 weeks, just to be sure.

[JPanDAX]

John - I do hear this noise at idle or when driving. The engine does need to be warm for it to occur and the whistle seems to be more pronounced after giving the car a good run when it is a bit hotter under the hood. I have not noticed a change due to change in speed or revs etc. Will pursue this with the dealer.


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[slam]

Got my water pump replaced under warranty on Friday last week, the whistle hasn't returned so far.

[slam]

Got my water pump replaced under warranty on Friday last week, the whistle hasn't returned so far.

Further to my last post back on 26th Sep, the whistling noise has just returned. Has anyone else had the same experience?

[JPanDAX]

Yes as per my earlier posts. Had pump replaced some time ago and whistle came back, still waiting for another replacement now!!!


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[slam]

Yes as per my earlier posts. Had pump replaced some time ago and whistle came back, still waiting for another replacement now!!!


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JPanDAX,

When the noise returned with your second pump, was it there everytime you drive the car (when the coolant is hot), or was it intermittent?

I heard the noise when I got to the office this morning, but it wasn't there this evening after my trip home. Exactly the same trip - just the opposite direction - same distance, similar driving time, so I assume the coolant temp and pressure in the system would have been similar as well.

[JPanDAX]

I put my car in today to have the waste gate clip installed - finally. While I was dropping it off I mentioned that my whistle sound is now gone. It just seemed to disappear on its own. Anyhow, so after one water pump replacement it came back, but not is gone and has been for some time. I told them not to bother with replacing the WP with the one they ordered in for me.

They told me that VW has instructed dealers not o replace WPs any more to fix the whistle as it will go away on its own in time after the pump settles in or beds in.

Fair enough! I will just be glad not to have that atrocious and embarrassing ricey rattle every time I accelerate.

Cheers

JP


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[slam]

Hi JP,

How many times did your whistle noise go away and come back before going away for good? Mine is back again, and has been there for the last 4 days now.

[walbjj]

After replacing mine, it has not come back. Done almost 6k km with replacement pump