ederzapata

I own FX4 2004 with 90,000 miles , the problem is that when turning left or right at low or high speed, feel a vibration on the rear axle as the wheels brushed with something, to move in a straight line no vibration or noise, only when I turn , I was checked in code reader and marks solenoid 4x4 I do? I can drive well ? I can cause further damage ? I help me , I'm in mexico city!

vintageman

Sounds like it may need some friction modifier in the rear end? Have you changed the diff fluid lately? I am assuming that you have the limited slip diff correct? Not a hard job to change out.

PerryB

I agree, with a minor difference. Assuming you have a limited slip differential, the clutch pack is probably glazed over and will need replacement. In my experience, if its been shuddering / vibrating very long, the clutches are glazed and a fluid change alone won't fix it.

ederzapata

if the clutch is crystallized , what should I do? I remind you that it is automatic , the cluthc is the torque converter ? sorry but I have many doubts, suggest that you change the oil it first? whath kind need oil if limited slip differential ? iam sorry idont speak english very well...

PerryB

I'm talking about the clutches in the rear differential, assuming it's a limited slip.

ederzapata

ok then there are clutches in the differential, if I change the oil and the sound and vibration of continuous rear axle, I replace clutches? It is expensive to repair? the nearest store only have 80 w 140 mobil synthetic oil, that serves?

nrivera04

The 80/140 will work if that's all you can get your hands on. The manual calls for 75/140. You also need to get a friction modifier too. It's a 4-6 ounce squirt tube or bottle found with or near the gear oil. Any brand is fine (Trans X, Equa-Torque, etc). This reduces the friction betweend the diff clutches and will eliminate the chatter you are hearing.

ederzapata

thaNKS FOR YOR HELP!