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Author Topic: Changing RH exhust manifold on 2.5 V6  (Read 987 times)

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Peter H

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Changing RH exhust manifold on 2.5 V6
« on: 07 November 2008, 20:23:15 »
Anything I should be wary of, I have a cracked right hand exhaust manifold and a good 2nd hand replacement.

I presume it is just a case of "soak in penetrating oil, undo nuts and bolts, new gasket, replace the 2 awkward snapped studs (that always happen on thse jobs) and refitting is the reversal of removal".

Yes?
 :-/
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Marks DTM Calib

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Re: Changing RH exhust manifold on 2.5 V6
« Reply #1 on: 07 November 2008, 20:32:34 »
Quote
Anything I should be wary of, I have a cracked right hand exhaust manifold and a good 2nd hand replacement.

I presume it is just a case of "soak in penetrating oil, undo nuts and bolts, new gasket, replace the 2 awkward snapped studs (that always happen on thse jobs) and refitting is the reversal of removal".

Yes?
 :-/

When you say right......drivers or passengers
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Peter H

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Re: Changing RH exhust manifold on 2.5 V6
« Reply #2 on: 07 November 2008, 21:07:02 »
Off side, right as viewed from sitting in the drivers seat.
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Marks DTM Calib

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Re: Changing RH exhust manifold on 2.5 V6
« Reply #3 on: 07 November 2008, 21:37:05 »
About 3-4 hours.

Goes something like this

Inlet out, coolant pipes at rear of engine off and out
Coolant bottle out
Air filter housing out
Coolant transfer pipe out
Heat shields off
Front pipe disconnected
Manifold off
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Peter H

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Re: Changing RH exhust manifold on 2.5 V6
« Reply #4 on: 07 November 2008, 21:58:51 »
In my case:

Inlet out, coolant pipes at rear of engine off and out
Cup of tea
Coolant bottle out
Cup of tea
Air filter housing out
Cup of tea and a biscuit
Coolant transfer pipe out
Lunch
Heat shields off
Cup of tea
Front pipe disconnected
Go find plasters
Manifold off
Wife wants me in the house, time to clean up

About 2 days I reckon!

Thanks for the advice, looking forward to completing it if not doing it! :y
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Peter H

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Re: Changing RH exhust manifold on 2.5 V6
« Reply #5 on: 07 November 2008, 22:00:15 »
Anything special to note about bleeding the cooling system, or just put the heating on full and slowly fill.   I ask because BMW's need a head of water to force the air out.
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markey mark

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Re: Changing RH exhust manifold on 2.5 V6
« Reply #6 on: 08 November 2008, 00:20:53 »
Quote
Anything special to note about bleeding the cooling system, or just put the heating on full and slowly fill.   I ask because BMW's need a head of water to force the air out.

just fill up with 50/50 mix and squeeze pipes and start and run till fans kick in with cap ON or will chuck water all over ! then check level when cooled a bit  :y
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Peter H

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Re: Changing RH exhust manifold on 2.5 V6
« Reply #7 on: 08 November 2008, 10:43:06 »
Cool, thanks for that. :)
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