Excessive Cabin Noise...

[Harbinger]

At first I thought it was the SLPs. I'm not sure if I became more sensitive to the sounds my car makes but recent long trips and cruises on the highway have made me think otherwise. The SLP LM1s are loud as hell but they were the tip of the iceberg.

I noticed the sound that was causing me headaches were not caused by the SLPs but by something far more sinister... I have no clue if its the transmission or if it is the rear end, but I really cant take it anymore.

Here's the link:

https://soundcloud.com/harbnger/trans-or-rear/s-6d2Nb

Sorry for the soundcloud link. It was the easiest way to do it. I made it downloadable as well. Maybe I'm hearing things but that sound is driving me nuts! Any thoughts?

[Speedtospare]

Sounds like the rear end is howling?

[Old Fart]

^^^+1 that's what it sounded to me as well.

[Harbinger]

Bye Bye 327s and hello 373s

[Harbinger]

Thanks for the replies guys. I'm still hoping its the rear and not the transmission. But it does sound like its coming from the rear...and its VERY...VERY ANNOYING

[Ponyryd]

Sounds like differential noise, if it was trans you would hear it in the center and it would be all the time, not just under load. Keep in mind if you're changing gear ratios you'll likely need a tuner to adjust the speedo.

[Harbinger]

That's good to know... Luckily I have a SCT tuner handy so it wont be a big issue.


Sounds like differential noise, if it was trans you would hear it in the center and it would be all the time, not just under load. Keep in mind if you're changing gear ratios you'll likely need a tuner to adjust the speedo.

[ZR]

Was the rear end when we drove it a week or so ago.

[Harbinger]

I just never remembered it being so loud...It may have gotten progressively worse over the year or so that I've had it...could be me. Either way I might need your magical skills ... :glee:


Was the rear end when we drove it a week or so ago.

[ZR]

About the same as I've remembered it from the get go. Always louder in the fall n winter with the windows up. Normal for it to get louder as the diff fluid warms up during a longer hwy run.

[Speedtospare]

Rick built my rear. 4.10 gears, quality parts, dead silent, still.

[True Blue]

^^^ Yup, Rick fixed the rear end of my Dakota when she was making noise!

[Harbinger]

^_^ will do peeps! Speaking to Rick about this already.

[Screw]

I might be in the same boat ...3:55 to 3:73 is it worth it ?

[Ponyryd]

^Change would be minimal, 4.10s would be better unless it sees a lot of highway use.

[Nsty04SVT]

Are you still driving the Silver 2000 GT?

[Harbinger]

Are you still driving the Silver 2000 GT?
If you are referring to me, yes. 00 GT silver coupe

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[Nsty04SVT]

That was my old ride I traded for the Cobra...not sure if Trever pulled them out before you bought it from him but I had Steeda install 4:10's along with the LPW diff cover.

Just looked up the old invoice and here is what was installed:

FR Ring and Pinion Installation Kit
Richmond 4:10 Gearset
LPW Diff Cover
Autometer Gauge DPSS
Steeda Subframe Connectors

[Harbinger]

Trever told me he put the stock ones back in when we were finalizing the deal. So you must be Andrew. It's a shame you never painted the subframes [emoji14]

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[Nsty04SVT]

Nope it's Jeff...Thought they painted them but that stuff was installed back in June of 2011 so can't remember?

Here's a pic of her back in the day :)

http://www.torontomustangclub.ca/forums/attachment.php?attachmentid=1439&d=1406112091

[Harbinger]

Nope it's Jeff...Thought they painted them but that stuff was installed back in June of 2011 so can't remember?

Here's a pic of her back in the day :)

http://www.torontomustangclub.ca/forums/attachment.php?attachmentid=1439&d=1406112091
Right! It's Jeff. I got confused. Ya it was never painted so it's got rust red as the base coat [emoji14]

She's still good. Needed lots of work over the near 2 years I've had her. She's coming along.

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[Nsty04SVT]

Awesome glad she's holding together...the only issue I remember I had when I owned it was 1 injector had to be replaced besides that she was mint.

[Harbinger]

Awesome glad she's holding together...the only issue I remember I had when I owned it was 1 injector had to be replaced besides that she was mint.
Cool.

So far I replaced the oil pan, spark plugs (one was fouled and broke apart Inside - Rick used his magic powers to take it out), new front breaks because the others were siezed, dual friction centreforce clutch, remachined flywheel, oem clutch cable, quadrant, firewall adjuster, caster camber plates.. Now I'm looking into a rear rebuild with 373s and an aluminum drive shaft.

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[Nsty04SVT]

Sweet sounds like your picking some very good upgrades!

[Intmdtr]

Awesome glad she's holding together...the only issue I remember I had when I owned it was 1 injector had to be replaced besides that she was mint.

and it lost to a Jelly bean...... ;P

[Nsty04SVT]

It sure did...lol...think a driver mod would have helped :cheers:

[Slick_89_Hatch]

I am having a very similar rear end noise.....very noticeable under light load on my 96 GT. Rear end is completely stock but only has 105k. Is there a common part that fails?

[ZR]

Seeing lots in with low miles (even half of yours Norm) and smoked bearings. Suspect preload was set too far on the snug side from day one.

[Slick_89_Hatch]

Typically the carrier bearings? I was hoping not to have the entire thing taken apart, but that looks like it wont be the case. Might as well do gears when I have it fixed.

[ZR]

Split pretty much even on carrier, pinion or all.

[Slick_89_Hatch]

Wonderful...lol.....Is it approximately standard gear installation price + parts?

[ZR]

Is it cheaper just to install bearings, yes but only if current gear set up is correct.

[Slick_89_Hatch]

I have to do something soon, it's really noisey.

[Harbinger]

I have to do something soon, it's really noisey.
Ya I'm going a bit nuts from mine but I gotta wait it out for a while.

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[Slick_89_Hatch]

Ive been holding out but will need to cave in very soon.