kenand1988
Well-Known Member
- Joined
- Jul 11, 2018
- Threads
- 36
- Messages
- 569
- Reaction score
- 250
- Location
- Phoenix, AZ
- Vehicle(s)
- 2020 Mustang GT
- Thread starter
- #1
2020 Mustang GT. It has been whining for months now in 1-3 only when accelersting I want to trade in the car but I am afraid I will get crucified because of the whining. It is audible even with music at a low volume and exhaust valves opened. I changed the stock fluid out to bg synchro 6 months ago then drove it for a few months and it started whining. I topped it up and that made no difference. live in a hot climate so I was thinking I could try a heavier fluid for either 25-50% of the capacity. If it's the gears I know it can't be fixed but it shifts fine I just want to quiet the noise down. Hell I even thought about trying to add sound deadening to the transmission tunnel.
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