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2014 Lexus GX460 Braking Causing Shake
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chothomas
New User
Mar 31, 2021, 8:15 AM
Post #1 of 2
(780 views)
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2014 Lexus GX460 Braking Causing Shake
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During a recent road trip, I noticed my GX460 shaking for about 3-4 seconds after stepping on a brake downhill. It does stop shaking after 3-4 seconds. It has 93K mileage. Anyone know what the issue maybe?
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Hammer Time
Ultimate Carjunky
/ Moderator
Mar 31, 2021, 8:18 AM
Post #2 of 2
(776 views)
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Re: 2014 Lexus GX460 Braking Causing Shake
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You could have a leaking vacuum booster causing a severe vacuum drop when applying the brake.
You could also have an unstable idle speed that is momentarily dropping before the electronic throttle recovers. Cleaning the throttle body may help that.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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