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Hey guys, hopefully you guys can help me figure out what the hell is wrong with my transmission. It shifts perfectly, no grinding, but there is a hissing sound in gears 1,2,3,5 and it almost sounds like two piece of metal scraping. It's definitely not gear whine, and its coming straight from below the shifter. Any ideas of what it can be??
Thank you for any help...
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The TR-3650 is a loud transmission. Mine sounds like its going to blow up when I'm above 4k RPM in any gear. Still shifts fine though. You could try and change the fluid to see if it helps any.
I changed the transmission fluid about 3 weeks ago and the sound wasn't noticeable until I changed my shift knob from the stock knob to a billet mach 1 knob. It literally sounds like the scraping sound is coming from straight under the shift boot. I'm worried about it because I didn't notice the sound in my friends 04 GT.
My wasnt loud before but after i put in the 5.0 shifter i hear the same noise you are hearing i think.
__________________
npi block compression 10.6:1
stage I ported pi heads/stage I comp cams/PI intake/24# injectors
Cobra oil pump/High output water pump/Mac UD Pullies
Exhaust/Intake:
MAC LT headers/O/r H-pipe/American Thunder catback
p&p tb-pl/C&L cai
Drivetrain:
King Cobra Clutch/Motive 4.10's/Steeda Pro 5.0
Suspension/Tires:
Black cobra r 275/40
Conservative 87/89 Dyno
290rwhp 320rwtq
Next up:
Upr+lwr Control arms & subframe connectors
mine hisses for a while if it gets cold out for some reason, never have been able to figure it out. And it only happens if it gets cold out.. like in the 60s or colder at night (this is FL so it didnt do it all summer). It sounded like an exhaust leak to me so i took it to an exhaust shop, they said the hissing was coming from the transmission though. It goes away when the car is warmed up.
+1 If you have an aftermarket shifter you will definitely notice more noise coming from the transmission.
Yeah thats what i figured it didnt bother me. I was just throwing it out there to see if that was the case with op.
__________________
npi block compression 10.6:1
stage I ported pi heads/stage I comp cams/PI intake/24# injectors
Cobra oil pump/High output water pump/Mac UD Pullies
Exhaust/Intake:
MAC LT headers/O/r H-pipe/American Thunder catback
p&p tb-pl/C&L cai
Drivetrain:
King Cobra Clutch/Motive 4.10's/Steeda Pro 5.0
Suspension/Tires:
Black cobra r 275/40
Conservative 87/89 Dyno
290rwhp 320rwtq
Next up:
Upr+lwr Control arms & subframe connectors
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hissing from transmission...
