Driveline rumble

[Bourbonated]

Just got back from a quick trip down to Sydney and noticed that my car has a really persistant rumble at anything over 100 km/h. The gear selector shakes about a bit and... Well... Yeah.. I can't really describe it much but its not smooth like it used to be. The Oil level on the gear box is fine and if it somewhat related, there is a bit of noise coming from the diff (IRS) and it seems to ... Well "slam" when I accelerate after just idling along.

Anybody got any suggestions?

[hako]

Possibly a worn universal joint - the first one to go is the one nearest the diff - also could be a bad CV joint in one of the axles or the centre bearing on the propshaft. Try jacking one rear wheel up and with gear in P rotate the wheel clockwise and anti-clockwise whilst listening for clunks etc....otherwise put it on ramps and ckeck for movement. Also check your wheel nuts.

[Not_An_Abba_Fan]

Probably going to be the centre bearing on the tail shaft.

The "slam" could be a worn diff mounting bush.

[Bourbonated]

Probably going to be the centre bearing on the tail shaft.

The "slam" could be a worn diff mounting bush.

Could I possibly get a picture of what I am looking for with these? Or even just a part number would do so I could head down to the local store and take a look.

Possibly a worn universal joint - the first one to go is the one nearest the diff - also could be a bad CV joint in one of the axles or the centre bearing on the propshaft. Try jacking one rear wheel up and with gear in P rotate the wheel clockwise and anti-clockwise whilst listening for clunks etc....otherwise put it on ramps and ckeck for movement. Also check your wheel nuts.

I don't like the sound of the Uni joint going.. I saw on ebay they are $700+; Is this correct? I will post back later with the results, I gotta take the car out this arvo and will test when I get home.

[Brett_jjj]

Mate uni joint kits are nowhere near that price.Its been a while since Ive bought one,but they are probably between $20-$50 depending on where you buy it from..

[Bourbonated]

hako: Jacked it up just then and could only get a barely audible noise when moving the wheel. The wheel didn't move a real lot (Only slightly each way).
Bret_jjj: Like I said, I just hit ebay just for a quick price check.. I guess that $700 would have been quite a few pieces then.

Any other suggestions before I put it on ramps tomorrow and give it a good look? (Damn Daylight savings and the lack of lighted hours during the day)