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AuthorTopic: 3.9 V8 Exhaust Manifold Gasket  (Read 1491 times)

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Offline TechnoTurkey

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3.9 V8 Exhaust Manifold Gasket
« on: June 27, 2008, 09:21:18 »
How tricky is it to swap the drivers side exhaust manifold gasket on a 1990 3.9 efi auto?
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2007 Honda Civic Type R GT
1982 VW Camper - Current Project
1991 Pajero SWB 2.5TD - SOLD
1990 Range Rover Vouge 3.9 V8 - SCRAPPED
1989 110 3.5 V8 CSW - SOLD
1984 Series 3, Ex MoD, 109 SOLD
1986 90 2.5D Pick Up - SOLD

Offline Skibum346

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #1 on: June 27, 2008, 10:00:03 »
A bit fiddly... but not particularly difficult.

The biggest problem is access... if you have all the whistles and bells, it can be difficult enough getting a ratchet in to undo the bolts let alone yor whacking great fist in to position the new gasket.

Then of course you have to line the bolt up with the three holes in the manifold, gasket & block.

Finally... you've gotta get the ratchet back on.

As I say, it's not particularly technical but it will require a well stocked pocket of change if you are within hearing distance of a swear box!

Good luck!

P.S. Remember to put the gasket in the right way round! Ask me why I know!  :oops:

Skibum
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Offline TechnoTurkey

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #2 on: June 27, 2008, 10:56:50 »
Why do you know......
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2007 Honda Civic Type R GT
1982 VW Camper - Current Project
1991 Pajero SWB 2.5TD - SOLD
1990 Range Rover Vouge 3.9 V8 - SCRAPPED
1989 110 3.5 V8 CSW - SOLD
1984 Series 3, Ex MoD, 109 SOLD
1986 90 2.5D Pick Up - SOLD

Offline Skibum346

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #3 on: June 27, 2008, 22:58:18 »
Quote from: TechnoTurkey on June 27, 2008, 10:56:50
Why do you know......

Nonononononononono....!

that's NOT how it works... when someone asks you to ask... DON'T!

 :oops: :oops:

Suffic to say I had taken my inspiration from the H Simpson school of mechanics!   :doh:
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Offline Nick4X4

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #4 on: June 27, 2008, 23:17:51 »
.-- .... .- -   .... .- .--. .--. . -. ...   .-- .... . -.   -.-- --- ..-   .--. ..- -   .-   --. .- ... -.- . -   --- -.   - .... .   .-- .-. --- -. --.   .-- .- -.--   .-. --- ..- -. -..

will that do Frank? :lol: :lol: :lol:
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Offline Skibum346

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #5 on: June 28, 2008, 02:22:42 »
Quote from: Nick4X4 on June 27, 2008, 23:17:51
.-- .... .- -   .... .- .--. .--. . -. ...   .-- .... . -.   -.-- --- ..-   .--. ..- -   .-   --. .- ... -.- . -   --- -.   - .... .   .-- .-. --- -. --.   .-- .- -.--   .-. --- ..- -. -..

will that do Frank? :lol: :lol: :lol:

no matey... I'd prefer some 1's & 0's lined up in a row!

 :lol:
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Offline hairyasswelder

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #6 on: June 28, 2008, 10:15:32 »
Quote from: Skibum346 on June 27, 2008, 10:00:03

As I say, it's not particularly technical but it will require a well stocked pocket of change if you are within hearing distance of a swear box!

Skibum

I like the logic  ;) 

Is the 3.9 gasket different? My 3.5 has one for each cylinder and all have to be the right way round  :oops:

To help position /hold the gasket/s I use exhaust assembly paste  ;)
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'88 RR 3.5 efi, an on going project :o) evolving daily/slowly

Offline dod51e

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #7 on: June 28, 2008, 20:50:55 »
Do give everything that you are trying to loosen a good dose of WD40 for the couple of days before you try!  It is an RRC so they are bound to be siezed!
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Offline Skibum346

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Re: 3.9 V8 Exhaust Manifold Gasket
« Reply #8 on: June 28, 2008, 22:35:35 »
Quote from: hairyasswelder on June 28, 2008, 10:15:32
Quote from: Skibum346 on June 27, 2008, 10:00:03

As I say, it's not particularly technical but it will require a well stocked pocket of change if you are within hearing distance of a swear box!

Skibum

I like the logic  ;) 

Is the 3.9 gasket different? My 3.5 has one for each cylinder and all have to be the right way round  :oops:

To help position /hold the gasket/s I use exhaust assembly paste  ;)

My independant specialisy recommends the two port per gasket version. I know that our 3.9 had four singles on each bank but I honestly don't know the difference.

Skibum
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