Shudder - Transmission or Diff?
#1
Driver School Candidate
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Shudder - Transmission or Diff?
Hi,
Was test driving a 2013 AWD GS 350 F-Sport today and am thinking about buying but I want to get to the bottom of something first. I was coming up a long hill, about 100 km per hour after about 25 minute test drive. Wasn't driving it hard, but the roads were slushy in some places, but the highway I was on at the time was dry.
At the top of the hill I started to feel a shudder (almost like brake pulsing from warped rotors or speed wobble but it was neither of these). Slowed down and drove another 800 meters till it was safe to pull over. While slowing down the shuddering continued. I put in park and got out of vehicle to look at tires and engine. There was some fluid (transmission?) smell but nothing else noticeable. Got back in the car after 2 minutes or so and put it in drive and drove away. No issues at all, drove perfectly.
Wondering what this might be, transmission, differential or something else that might cause these symptoms?
Seller is a reputable Toyota dealer but the car won't come with a warranty. They are going to look at it but might not be able to find it or replicate.
Thanks for any guidance on possible causes.
Was test driving a 2013 AWD GS 350 F-Sport today and am thinking about buying but I want to get to the bottom of something first. I was coming up a long hill, about 100 km per hour after about 25 minute test drive. Wasn't driving it hard, but the roads were slushy in some places, but the highway I was on at the time was dry.
At the top of the hill I started to feel a shudder (almost like brake pulsing from warped rotors or speed wobble but it was neither of these). Slowed down and drove another 800 meters till it was safe to pull over. While slowing down the shuddering continued. I put in park and got out of vehicle to look at tires and engine. There was some fluid (transmission?) smell but nothing else noticeable. Got back in the car after 2 minutes or so and put it in drive and drove away. No issues at all, drove perfectly.
Wondering what this might be, transmission, differential or something else that might cause these symptoms?
Seller is a reputable Toyota dealer but the car won't come with a warranty. They are going to look at it but might not be able to find it or replicate.
Thanks for any guidance on possible causes.
#5
It's absolutely the traction control and ABS breaks. They pump like that to make your car shudder and is absolutely normal in winter/icy roads.
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#8
Driveshaft...
This is going to sound abrasive, but don't beleive that guy that said "It's absolutely the traction control and ABS breaks" That's BS. ABS pulses and makes grinding noises, and if you've ever experienced it you know. Shuddering is never a good thing and is NOT ABS/Stability control.
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