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siezed head bolts on the ef 6 cylinder 

 

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 Post subject: siezed head bolts on the ef 6 cylinder
Posted: Mon Nov 03, 2014 8:28 pm 
Oompa Loompa
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Age: 49

Posts: 35

Joined: 16th Sep 2014

Ride: ef futura

Location: ipswich
QLD, Australia

How on earth will I get the bolts out now the bolt heads are starting to burr. 4 bolt left to undo ,all on the exhaust side in the middle of the engine. .

Anyway . OXY ? Grind heads off ? Rattle gun ?
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 Post subject: Re: siezed head bolts on the ef 6 cylinder
Posted: Mon Nov 03, 2014 9:25 pm 
Getting Side Ways
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Ride: ef falcon futura

Power: 154 rwkw

Location: Koo Wee Rup
VIC, Australia

using a single hex socket?

 

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 Post subject: Re: siezed head bolts on the ef 6 cylinder
Posted: Mon Nov 03, 2014 10:03 pm 
Technical Contributor
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Ride: EF Fairmont

Location: Campbelltown
NSW, Australia

Hit straight down on the head of the bolt with a hammer. Be careful. Or use an impact driver.
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 Post subject: Re: siezed head bolts on the ef 6 cylinder
Posted: Mon Nov 03, 2014 10:46 pm 
Getting Side Ways
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Age: 49

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Joined: 18th Dec 2006

Ride: 93 ED sedan

Power: 161 rwkw

Location: Rockhampton
QLD, Australia

I use a 1/2" drive, deep Impact socket....only has a single hex, and give them a good sharp whack with a drift and a hammer, before you try to undo them.

 

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 Post subject: Re: siezed head bolts on the ef 6 cylinder
Posted: Tue Nov 04, 2014 9:19 am 
Oompa Loompa
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Age: 49

Posts: 35

Joined: 16th Sep 2014

Ride: ef futura

Location: ipswich
QLD, Australia

I used a hex socket but these are tight. It even looks like there are score marks under the bolt heads . I am also using a 4 foot pole on the breaker bar . Even then they are giving a big crack when they give . May have to drop it at the engine shop.
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 Post subject: Re: siezed head bolts on the ef 6 cylinder
Posted: Tue Nov 04, 2014 9:37 am 
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Ride: ford falcon au3 xr8

Location: a shit suburb in sydney
NSW, Australia

also try putting all the other head bolts back in and torque them up, then try undo the 4 your having trouble with...
I have found when removing a head (especially a 6 cyl) that its best to crack and all the head bolts before removing them.. as in just undo them a touch so they move, then start taking them out...
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 Post subject: Re: siezed head bolts on the ef 6 cylinder
Posted: Tue Nov 04, 2014 10:13 am 
Parts Gopher
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Age: 45

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Joined: 6th Feb 2011

Ride: AUII wagon 4.0L, BA 4.0L hack

Location: Flinders View
QLD, Australia

I had this issue on the last head removal I did on a mates EF 6, I just got hold of a few old 5/8" 1/2" dr sockets and MIG welded them to the problem bolts. A few wet towels strategically placed over the valves and cam bearings and other areas to prevent damage worked for me. I know it might be a bit extreme but as long as you are careful, it worked a treat.

 

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 Post subject: Re: siezed head bolts on the ef 6 cylinder
Posted: Tue Nov 04, 2014 6:54 pm 
Oompa Loompa
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Age: 49

Posts: 35

Joined: 16th Sep 2014

Ride: ef futura

Location: ipswich
QLD, Australia

All good guys , I took to it with the grinder . I killed the head but have a spare . Oh well cant win them all . Can always cash the head in for an iced coffee . lol . Thanks guys
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