Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

[Fleetwin]

Hello All,

I just acquired a 2009 Larson 180 SEI with 20 hours. It has a 3.0L and an SX-A drive.

Engine:
3.0L GLP-J
Model: 3869388
Serial: 4012248171

Drive:
SX-A
Model: 3883603
Serial: 4202236903 or 4202236003 (hard to read).

Transom Assembly:

Model: SX ALT 42
3883720
4151191237

The issue, I think, is a whirring/whining noise in forward gear only. It is especially noticeable at idle and up to about 1500 rpm. Trim angle does not seem to change it.

I am new to V-P drives so I don't know if this is normal.

I did check the drive gear lube, it is clean and full.

Ideas? Am I paranoid?

Thanks.

 

[Augoose]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

What's the tension on the belts? All should have 6-13 mm of movement when pushed in the middle of the belt (from pulley to pulley) with normal thumb pressure. An overtightened belt can make a whirring noise.

 

[Fleetwin]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

What's the tension on the belts? All should have 6-13 mm of movement when pushed in the middle of the belt (from pulley to pulley) with normal thumb pressure. An overtightened belt can make a whirring noise.

It has one Serpentine belt.

 

[Augoose]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

Ahhh sorry, looked too quickly - though your engine was a few years older. Just a stab but what's the tension on the serpentine belt like?

 

[Fleetwin]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

Ahhh sorry, looked too quickly - though your engine was a few years older. Just a stab but what's the tension on the serpentine belt like?

Seems OK, there is some deflection when pressed. I wouldn't think a belt would whine in one gear only?

 

[Augoose]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

does the pitch of the whirring increase with the throttle?

 

[Fleetwin]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

does the pitch of the whirring increase with the throttle?

Hard to tell. The engine/exhaust noise sort of takes over. I really do not notice it at cruising speed (3500 RPM).

 

[skydiveD30571]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

You'll have to go searching for the noise and try to pinpoint where it is coming from. That might be easier to do on muffs in a driveway.

 

[Fleetwin]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

Has anyone with a 3.0L/SX-A heard this? Normal?

Thanks.

 

[skydiveD30571]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

Did you go and actually look for this noise? There's several things that can cause noise and we can't hear where it is coming from.

 

[Fleetwin]

Re: Whirring Noise from 2009 V-P SX-A (3.0L GLP-J)

Yes, cannot duplicate on muffs. Must be in FORWARD and in water. It is coming from the transom arrea. It is more pronounced at idle.

It's a "whine". Not objectionable just wondering if other Volvo Pentas do that?