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Shuttering And A Loud Clack

suspension

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#1 Alpenflitzer

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Posted 11 March 2019 - 11:02 AM

When I accelerate in the first and second gear from the engine bay comes a shuttering. Going on it disappears. If I suddenly let my foot from the acceleration pedal I hear a loud "Clack". It sound as if someone hits with a hammer a metal bar.

If I accelerate normally (slowly) nothing can be heard. Changing from 3rd gear in 4th gear at higher speed nothing can be heard.

Using HiLos in front.

 

What I have done so far:

1. Changing inner and outer CVs

2. Changing the rubbers on upper and lower engine steady

3. I have changed the worn left hand engine mounting.

4. Secured all bolts of the engine mountings left and right.

 

Could it be:

1. The bulls eyes in front? I have noted at the rims slight cracks.They are 26.ooo km old

2. The radatior fixings? Rubbers changed with engine mounting change.

3. The rubbers in the lower suspension arms fixings? They are 35.000 km old.

 

 

 

 



#2 cal844

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Posted 11 March 2019 - 11:23 AM

Could be the top engine steady bolt isn't tight or the bottom plate welded to the bulkhead has snapped

#3 nicklouse

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Posted 11 March 2019 - 11:27 AM

lift bonnet and rev the engine. is it rocking? if yes that will be the knocking.



#4 Alpenflitzer

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Posted 11 March 2019 - 12:20 PM

The engine is not rocking and I had s.o. moving the steering whell and I checked if the engine moves. Nothing moves.

 

@ cal844             What do you mean with "the bottom plate welded to the bulkhead has snapped"



#5 Alpenflitzer

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Posted 12 March 2019 - 09:39 AM

No one an idea?



#6 dyshipfakta

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Posted 12 March 2019 - 09:55 AM

The plate that attaches to the bulkhead can snap and allows the engine steady to move. (Mine did this) it’s gonna be something attached to the engine hitting the shell.

The engine moves very differently when in motion and in gear to sat still revving. It may be very hard to find but exhaust , carb, engine mounts, subframe mounts could be anything really





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