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Mystery Clunking


Daniel

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  • Member For: 21y 7m 10d
  • Gender: Male

OK, I haven't got a hoist anywhere close by so I got up under the car to check out these engine mounts... :huh:

It as hard enough to locate them and take good enough photos let along change them over; if I need to swap them, I will definitely let my mechanic do this one!

Anyway, now that I have the photos I don't there there is anything visibly wrong with them, but on the same note I have no clue what to look for other than the obvious stuff.

Below are the shots I took of both mounts, anyone able to give me an idea on how these are holding up and if I should look into them further as the source of this clunking?

Also, is there a chance they could be failed without showing much proof?

Thanks in advance - now to the photos:

1.jpg

2-1.jpg

3-1.jpg

4-1.jpg

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  • Member For: 17y 1m 25d
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  • Location: Brisbane

Hi Daniel,

The way I know to check engine mounts (without looking at them directly) is to:

-open the bonnet

-start the engine

-either put the handbrake on or heel & toe the brake pedal & accelerator in 1st/drive and reverse

-load up the driveline and quickly release (only needs 1200 rpm or so)

If a mount is sad it, the engine will torque over or roll more than it should. It may also give a clunk when the torque is released as it sits back down. The reverse gear procedure checks the other mount.

-Rack mounting tight?

-I could be wrong, but if the front sway bar links are fitted incorrectly (incorrect side/upside down???), they can make contact with the lower control arm in certain situations. Do they look like they would clear in all situations? :sleepystuff:

Edited by Smoke them tyres
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  • Member For: 16y 1m 10d
  • Gender: Male
  • Location: Burpengary QLD

Have you tried putting some white out on the flange where the dump meets the cat to totally rule out that it's not the problem. As I said, mine cannot be moved by hand over to the rail, but a bit of whiteout on the flange and I can see the mark on the chassis rail where it hits.

Solution to this is the get the flange removed and dump attached directly to the cat, which I will get done when I can be stuffed taking it in to get done.

Being an auto, will be easy to check the mounts with load, engine shouldn't move more then a couple of inchs or so and should not clunk back down as said above.

Edited by BensXR6T
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  • Member For: 21y 7m 10d
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I have not had a change to try this white out on the dump flange no, it's not the easiest thing to do with no hoist and the roads wet every time I get some free time lol

I tried to load up the car in drive and reverse, neither seem to move the engine more than I'd think to be normal - do the mounts looks OK visibly?

I didn't have any work done on the car when it started happening, around 6 months ago; it begun quite randomly :spoton:

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  • Member For: 17y 10m 8d

I have replaced the Turbo side Engine mount at least every 12 Months.(Heat).

I have always been able to spot it by standing in front of the Car and seeing the Engine leaning to the Turbo side!

- It is usually quite visible!

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  • Member For: 16y 2m 25d
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  • Location: SE Melbourne

Is it happening while you are turning the steering wheel? For example if you sit in a car park, start to move slowly and then turn the steering to the left does it still clunk?

I'm going to suggest steering rack? Only cause no one else has.

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  • Blown Happiness
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  • Member For: 15y 8m 19d
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  • Location: Queanbeyan NSW

Hey all!

As the topic says, I have a mystery clunk when I am turning left at speed or any bumpy left hand turn.

It sounds and feels like a solid metal on metal clunk and almost a thump...

Hi mate, when I picked up the Typhoon it also had this exact problem.. Turning left on a bumpy road doing about 30km plus... I would get either a knock or several under the drivers seat.

Took it into Ford and they looked at it.. turned out to be the exhaust hitting the chassis, but only on a hard left hand turn and when there was a bumpy road, Ford mechanic told me it was a combination of things but basically, the car was turning a hard left and the engine was flexing causing the exhaust to hit the chassis about 40cm behind the drivers seat.

If you pop your head under the car you will be like there is no way it moves that much but apparently they do. Ford just loosened the exhaust and moved it over another cm or so and all fixed now.

Might be worth while to have a look.

Hope this helps, cheers.

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  • Member For: 21y 7m 10d
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Is it happening while you are turning the steering wheel? For example if you sit in a car park, start to move slowly and then turn the steering to the left does it still clunk?

I'm going to suggest steering rack? Only cause no one else has.

Hi, it will only make the noise when moving.

I don't have any noises or problems with stationary no matter how I turn the wheel or load the drivetrain.

I still tend to think its the exhaust too; but with 2 shops telling me there is no chance and me not being able to prove otherwise.. its got me stumped lol!

I have never had the noise/clunk occur when turning right, but I have had it a coupe of times when driving straight over very* bumpy roads where there is enough bumps to get the car almost rocking...

I got under the car and see no contact marks on the exhaust or chassis rails, but again I won't be able to try the whiteout trick tonight.. maybe later this week.

Does anybody know a GOOD exhaust shop where they like custom work in the SoutEast suburbs of Melb? :dontknow:

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