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2005 Infiniti FX thumps when D is initiated

Tiny
KENNYVICTOR
  • MEMBER
  • 2005 INFINITI FX35
  • 3.5L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 82,700 MILES
My car makes thumps when D is initiated. Then I have to wait for another 10secs for the car to jerk forward again before initiating into Drive. Deceleration is a bit rough when getting back to gear 1 also. Car was scanned and no codes was displayed. This issue started when I activated snow mode 2 days ago at the beach. Only used the snow mode to park ny car. Please help
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Tuesday, December 23rd, 2014 AT 10:51 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If no codes and was done at an auto parts have a ro doit because autoparts can't pick up all codes. It may be an abs problem or trans so have a pro scan it. It may be low on fluid as well if you can check it fine but a trans guy may have to do it.
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Tuesday, December 23rd, 2014 AT 12:08 PM
Tiny
KENNYVICTOR
  • MEMBER
  • 2 POSTS
I suspected the transmission was low on fluid so I told the mechanic to check it. He did and said I only needed 2litres on trans fluid to be added and this was done yet the issue persist. Could ABS issues cause a car to act like this?
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Tuesday, December 23rd, 2014 AT 11:19 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Adding 2 liires is quite a bit I'd bet there is a clutch seal or pak going or gone in trans. Your trans only holds 10.3 liters so I'd have a transmission guy look at it or give an opinion. Of course it may be a broken motor or trans mount as well but beingthat low then I'd suspect something else has gone bad in it.
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Wednesday, December 24th, 2014 AT 6:50 AM

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