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3 Posts
I have been having the following issues, and will post what I received directly from an Infiniti dealership. They wanted a ton to fix, so will also post what my mechanic has done and still have the same issues.
Issues :
1. SUV bounces like crazy while driving going over bumps or changes in the road
2. Rear end sways back and forth when hitting a small crack in the street, pothole, manhole cover etc.
3. Brake pedal is really soft. Doesn't go to the floor, but need to depress probably half way before catching. Also, every time you brake it triggers the seat belt tightening sensor
4. Front end and steering wheel shakes only at 65-70 mph. Going faster or slower, no shakes.
Infiniti dealership Estimate and Report :
Hydraulic Fluid Leak Right Tire
Issue
FRONT HYDRAULIC LINES LEAKING, ALL CORRODED. REAR ACCUMULATOR PUMP LEAKING. CAUSING SUSPENSION TO BE LOOSE. EXCESSIVE CORROSION CAUSING LEAK
Recommendation
HYDRAULIC LINES TO FRONT STRUTS AND LINES THAT RUN ON LEFT SIDE TO REAR. REAR HYDRAULIC ACCUMULATOR LR OF CAR,. BLEED SYSTEM
Estimate
$ 11,113.68 My mechanic replaced all the hydraulic lines, and accumulators. Bled system. No change in loose suspension or swaying
Truck Is Very Bouncy - Rear End Feels Unstable
Issue
REAR SUSPENSION SAG. COMPRESSOR ENGAGES. SPRAYED LINES NO AIR LEAK. FOUND DTC FOR REAR HEIGHT SENSOR
Recommendation
REAR HEIGHT SENSOR.L.
Estimate
$ 835.16 My mechanic replaced the Rear Height Sensor. No change in the truck bouncing
Front Shocks / Suspension
OUTER TIERODS HAVE PLAY
Recommendation
L&R OUTER TIEROD ENDS AND FRONT TOE ADJUSTMENT
Estimate
$ 1,346.46 My mechanic replace both L & R Inner and Outer Tie Rods. Front end and steering wheel still shakes
Total estimate
$ 15,160.05 ( This included oil change, transmission service, cabin filters, plugs and a few other maintenance things as well as above repairs)
So now we are still at a loss. My mechanic has taken it into a Nissan dealership, and they have said that all the sensors and entire truck basically just needs to be programmed correctly. Hooked up to their computer system so they can program the entire truck. They programmed it twice already, and still can't fix any of the issues. Does this make sense? Could the sensors just not be reading each other, therefore not performing correctly? Does anyone know if it is a simple programming job or does it take multiple tries?
We have checked brakes, rotors etc. Have put on 2 new rear tires.
Any other suggestions or what I should do next would be helpful.
Issues :
1. SUV bounces like crazy while driving going over bumps or changes in the road
2. Rear end sways back and forth when hitting a small crack in the street, pothole, manhole cover etc.
3. Brake pedal is really soft. Doesn't go to the floor, but need to depress probably half way before catching. Also, every time you brake it triggers the seat belt tightening sensor
4. Front end and steering wheel shakes only at 65-70 mph. Going faster or slower, no shakes.
Infiniti dealership Estimate and Report :
Hydraulic Fluid Leak Right Tire
Issue
FRONT HYDRAULIC LINES LEAKING, ALL CORRODED. REAR ACCUMULATOR PUMP LEAKING. CAUSING SUSPENSION TO BE LOOSE. EXCESSIVE CORROSION CAUSING LEAK
Recommendation
HYDRAULIC LINES TO FRONT STRUTS AND LINES THAT RUN ON LEFT SIDE TO REAR. REAR HYDRAULIC ACCUMULATOR LR OF CAR,. BLEED SYSTEM
Estimate
$ 11,113.68 My mechanic replaced all the hydraulic lines, and accumulators. Bled system. No change in loose suspension or swaying
Truck Is Very Bouncy - Rear End Feels Unstable
Issue
REAR SUSPENSION SAG. COMPRESSOR ENGAGES. SPRAYED LINES NO AIR LEAK. FOUND DTC FOR REAR HEIGHT SENSOR
Recommendation
REAR HEIGHT SENSOR.L.
Estimate
$ 835.16 My mechanic replaced the Rear Height Sensor. No change in the truck bouncing
Front Shocks / Suspension
OUTER TIERODS HAVE PLAY
Recommendation
L&R OUTER TIEROD ENDS AND FRONT TOE ADJUSTMENT
Estimate
$ 1,346.46 My mechanic replace both L & R Inner and Outer Tie Rods. Front end and steering wheel still shakes
Total estimate
$ 15,160.05 ( This included oil change, transmission service, cabin filters, plugs and a few other maintenance things as well as above repairs)
So now we are still at a loss. My mechanic has taken it into a Nissan dealership, and they have said that all the sensors and entire truck basically just needs to be programmed correctly. Hooked up to their computer system so they can program the entire truck. They programmed it twice already, and still can't fix any of the issues. Does this make sense? Could the sensors just not be reading each other, therefore not performing correctly? Does anyone know if it is a simple programming job or does it take multiple tries?
We have checked brakes, rotors etc. Have put on 2 new rear tires.
Any other suggestions or what I should do next would be helpful.