Hi. I am not new to front end shake or vibration, my other cars are BMW and believe me ive seen it all...i even bought myself a tire balancing machine and a mechanalysis vibration analyser...bad brakes, semi seized calipers, wrong rims, bad tires, loose components,...everything can be suspicious...
Ive seen it all until i bought that Jetta.
The best i can describe is, when the engine is under load, ie more than 1/4 of the padal approx, i feel like if the engine was rocking left/right/left/right all the time, like if one of the axle was bent, causing a weird low pace shake. It happens mostly only under 40mph or so. If i coast or dont press the pedal it totaly disapear. It literally feels like if someone was pushing on the side of the car to make it rocks.
When i bought that car the tires was worn out very unevenly on its edge, and very scuffed, probably because of that weird situation.
So i have installed a brand new set of winter tires, road-force installed on a brand new GSP9700 tire balancing machine, with rebound value less than 3 on all of them (very very low !!, normaly you can see 8-12 on brand new tires) So it is not a tire/rim issue.
Front end feels tight, unless i dont see it, balljoints feels tight, no loose bearings or so...
What could it be ?
-bad axle ?
-unknown front end component loose ?(altough i realy doubt it can create such shake by itself)
-bad hub ?
I was wondering if this was inherent to a FWD car...last FWD car ive owned was a 1985 Escort...since then i only owned RWD cars.
Ive seen it all until i bought that Jetta.
The best i can describe is, when the engine is under load, ie more than 1/4 of the padal approx, i feel like if the engine was rocking left/right/left/right all the time, like if one of the axle was bent, causing a weird low pace shake. It happens mostly only under 40mph or so. If i coast or dont press the pedal it totaly disapear. It literally feels like if someone was pushing on the side of the car to make it rocks.
When i bought that car the tires was worn out very unevenly on its edge, and very scuffed, probably because of that weird situation.
So i have installed a brand new set of winter tires, road-force installed on a brand new GSP9700 tire balancing machine, with rebound value less than 3 on all of them (very very low !!, normaly you can see 8-12 on brand new tires) So it is not a tire/rim issue.
Front end feels tight, unless i dont see it, balljoints feels tight, no loose bearings or so...
What could it be ?
-bad axle ?
-unknown front end component loose ?(altough i realy doubt it can create such shake by itself)
-bad hub ?
I was wondering if this was inherent to a FWD car...last FWD car ive owned was a 1985 Escort...since then i only owned RWD cars.