I have dodge caravan 2007 and I changed the rear suspension and there is a knock since that time, I have removed the suspension and it no longer knocks. The knock comes at the top of the damper. What can I do?
Caravans had a real issue with rear suspension noises, and one of the suggestions from Dodge was the addition of a spacer washer at the bottom shock mount to space it a little farther away from the axle housing. I have seen many new shocks that "knocked" right out of the box new. It is possible one of the new ones is defective
I do not understand, I added a spacer washer at the bottom of the shock, but it is higher than it knocks. As if the screw was not tight at the top of the damper
If the top mount is properly secured, I would replace the shock as defective and recheck. There isn't a whole lot of things that can make the noise you decribe other than the shock or a loose sway bar link
Both would be defective because that makes a knocking on each side. I deprived shock absorbers and he(it) not of more knockings it. The knockings are at the top of the shock absorber. I removed the old shock absorbers because there was a knocking maintaining with nine the knocking is three times as strong because shock absorbers are new. What is that that could be nets in the frame which has a relaxation(slackening)?
The upper shock mounts are the only common denominator in this problem, they are a welded plate to the unibody and may need to be rewelded. Without inspecting it personally, I cannot tell with 100% certainty. I would suggest an inspection at a shop of your choice so a full visual inspection on a lift is possible. Most shops will inspect this at no charge.
I verified one side and seems good, not rusty and not rewelded.
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SOURCE: knocking noise front suspension
It very well could be a ball joint, but I would check your strut tower. When they come loose, they hit the fender where the connection is. Pop the hood, and look where the tower comes up, push down on the fender and see if it moves. That may be your problem. Hope that helps
SOURCE: knocking from suspension
I had the same problem and it came out that there was what they call a Quick Reply solution to the problem. The bolts on the direction tables were loose. They had previously thighten them but it came back. Now they've changed them today. Hope they fixed it for good!
SOURCE: knocking noise from rear of car
There are two common
known problems with the rear suspension. One problem is the rear spring
colliding with the rear lower arm during rebound. This is caused by a
lack of support in the rear lower arm and the upper spring seat. The
solution is to fit a spring isolator sleeve to prevent the metal to
metal knocking. Another common problem is knocking of the top coils of
the springs. A revised rear lower arm spring seat has been fitted since
02/2002.
Source: http://www.bba-reman.com/content.aspx?content=ford_focus_common_problems_and_solutions
SOURCE: rear suspension left side makes a knocking sound while driving
There are a few suspension parts that can cause knocking noises. Such as swar bar loose, strut mounts going bad. You should really have a shop do a complete suspension check.
SOURCE: knock on front left suspension v70 52 plate
I had a similar noise, I took apart the strut and the bushing on top of the strut was falling apart. Replaced it with a new one for under 100.00. No more noise.
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