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13th February 2017, 16:23 | #1 |
Gets stuck in
Mazda cx7/1979 T140e Join Date: Jul 2010
Location: Kent
Posts: 524
Thanks: 103
Thanked 50 Times in 34 Posts
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Knocking from front
Hi,
I have had a knocking from the front of my car for a while. I cant seem to pin point it, but have, for now, ruled out shocks (new 4 months ago)and Top mounts (as shocks) . I have had the car jacked up today, and I cant find any movement at any ball joint, or either drop link. The lower mount has been removed, and is fine. I did have to replace the drivers side drive shaft,as the boot split for some reason when the shocks were being done, with an ebay one, which appeared good (and got a brand new outer cv joint free with it). I am beginning to think its the drivers side drive shaft again, as when I "BOUNCE" the car the noise is coming from that area. Could there be another cause? The car has been very well looked after by the previous owner, I am just having his share of bad luck! Thanks Paul |
14th February 2017, 14:26 | #2 |
Loves to post
Rover 75 CDTI Auto Saloon Connoisseur SE Join Date: Apr 2015
Location: Coventry
Posts: 358
Thanks: 166
Thanked 67 Times in 56 Posts
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Diagnosing play in the ball joints can be difficult; when the car is on the ground the weight of the car is on the ball joints, when it's jacked up the force of the springs is on the ball joints. It wasn't until I removed mine that I was able to discern any play in them, and then it was only very slight. However, having replaced them, the knocking that I was hearing disappeared. It's a tricky call as lower suspension arms are not cheap and can be difficult to fit. Those who have successfully diagnosed play in the ball joints with the suspension arms on the car have tended to do so with the help of a very long lever.
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