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  #11  
Old 06-03-2021, 04:42 PM
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Quote:
Originally Posted by X5E53John View Post
... Im a bit unsure why i would have to remove the cover for the fuel injectors though? ...
The connectors for the O2 sensors are under this cover?
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  #12  
Old 06-03-2021, 06:23 PM
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Originally Posted by X5E53John View Post
Thank-you the link didnít work but i assume this is the copied version from the link.
Im a bit unsure why i would have to remove the cover for the fuel injectors though?
By the sounds of this once all the bolts are removed and everything unplugged etc it shouldnít be too much hassle to wiggle the manifold down and out


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Because the plugs for the O2 sensors are under the cover.
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  #13  
Old 06-04-2021, 04:34 AM
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Thank you for clarifying that i was really confused what the injector cover had to do with taking the manifold off


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  #14  
Old 06-04-2021, 04:38 AM
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Originally Posted by Henrym3 View Post
Itís probably 10 years since I did this job to my sons e53 I donít remember the exact details other than it being a complete pita Those manifolds just donít want to come out. Some of the bolts are difficult to get at and need care and lots of wd40 plus time for it to penetrate. Not a quick Saturday afternoon job. Sorry I canít help with the injector question, I just donít remember. Yes, that is the info from TIS.


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Thankyou for your help and insight
Was your sons e53 RHD or LHD
Im a bit concerned about the steering column on mine as its RHD
Do you remember if you removed the engine mount or not as Iíve seen elsewhere on the internet people saying they removed the engine mount to give more space hoping not to have to remove the engine mount in all honesty


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  #15  
Old 06-04-2021, 04:51 AM
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Car was RHD and we may have lowered the crossmember/subframe an inch for final clearance. Sorry I canít give more precise details but it was done on the driveway with no special tools involved. Certainly donít remember removing the engine mount


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  #16  
Old 06-04-2021, 07:25 AM
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Originally Posted by Henrym3 View Post
Car was RHD and we may have lowered the crossmember/subframe an inch for final clearance. Sorry I canít give more precise details but it was done on the driveway with no special tools involved. Certainly donít remember removing the engine mount


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Oh that sounds perfect your making me feel much better about attempting this job im hoping to be able to borrow my brothers garage with a 4 poster ramp if not im stuck on the driveway as-well
How long would you estimate the job would take start to finish i know you cant give exact time
Thankyou


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  #17  
Old 06-04-2021, 03:22 PM
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I think we took about 4 hourís actually working. Not counting the previous 2 days spraying stuff with wd40 twice per day and a quick wire brush on any exposed threads we seen. You never know how much time or effort this saves you but we were relieved that none of the studs or bolts snapped on removal. Good luck, I hope it goes well for you


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  #18  
Old 06-04-2021, 03:56 PM
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Quote:
Originally Posted by Henrym3 View Post
I think we took about 4 hourís actually working. Not counting the previous 2 days spraying stuff with wd40 twice per day and a quick wire brush on any exposed threads we seen. You never know how much time or effort this saves you but we were relieved that none of the studs or bolts snapped on removal. Good luck, I hope it goes well for you


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Thank you i appreciate your help and answering my questions
Wd-40 is a godsend at times
Im hoping i can get it done on a weekend without any problems
And Thanks again ill keep you updated with progress just waiting for the Cats to be delivered now Iím definitely going to tackle the job myself.


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  #19  
Old 06-04-2021, 08:30 PM
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You are going to want replacements for the manifold studs and nuts.
The studs on the manifolds that go to the silencer might break. Be prepared to replace with bolts and nuts (copper won't corrode so quickly).
You might have to lower the entire rear exhaust from muffler to silencer to get clearance to get the manifolds out from below. Just ease the silencer down but leave the mufflers in place. You sort of have to anyway--the rear bumper is in the way.

I wiggled both manifolds out from below this way on an LHD car not long ago. You may need to get some manifold studs out from above and some from below.

Wear gloves, or your hands will be ground beef.
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  #20  
Old 06-05-2021, 05:09 AM
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Quote:
Originally Posted by lo_jack View Post
You are going to want replacements for the manifold studs and nuts.
The studs on the manifolds that go to the silencer might break. Be prepared to replace with bolts and nuts (copper won't corrode so quickly).
You might have to lower the entire rear exhaust from muffler to silencer to get clearance to get the manifolds out from below. Just ease the silencer down but leave the mufflers in place. You sort of have to anyway--the rear bumper is in the way.

I wiggled both manifolds out from below this way on an LHD car not long ago. You may need to get some manifold studs out from above and some from below.

Wear gloves, or your hands will be ground beef.


Thankyou for your advice i was allready thinking of replacing the bolts that go from cat to centre box as on other cars ive owned they dont seem to like undoing
Dreading the thought of anything breaking
Might have to ask local dealer on a price for new studs and nuts as well
I cant wait to get this done and get rid of the dreaded noise of the cat rattling



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