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Author Subject: Head Gasket Tightening
Eddleston

Regular

Location: Leatherhead

Registered: 31 Jul 2012

Posts: 329

Status: Offline

Post #1
Ok, I've done
35nm
Then went round on
70nm

Now, for 160degrees do I just need a f**k-off extention bar?
Seemed pretty tight at 70...

Sorry to keep asking but I'm learning and don't like doing the same job twice.

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Posted 25th Oct 2014 at 17:49
fatlapit

Seasoned Pro

Location: STOCKSFIELD

Registered: 02 Nov 2010

Posts: 3,040

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Post #2
u got an angle guage??

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Posted 25th Oct 2014 at 18:05
fatlapit

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Location: STOCKSFIELD

Registered: 02 Nov 2010

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Post #3
tbh id just 180 it

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Posted 25th Oct 2014 at 18:05
Niall

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Location: Epsom

Registered: 06 Jun 2012

Posts: 1,941

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Post #4
Yeah you need a angle gauge. Got one over here if you want to come and borrow it.
I angled mine and had to use a 2ft breaker bar to do so. My first one i did i was worried i would snap the bas**rd but they won't! Just make sure you get the washers in there as well and makes life a tiny bit easier if you put a bit of grease on the washer.
Posted 25th Oct 2014 at 18:07
Eddleston

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Registered: 31 Jul 2012

Posts: 329

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Post #5
That's on hold till tomorrow then lol

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Posted 25th Oct 2014 at 18:26
cully

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Location: Cullompton

Registered: 12 Jun 2013

Posts: 1,093

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Post #6
print one off from google Wink
Posted 25th Oct 2014 at 19:46
Eddleston

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Location: Leatherhead

Registered: 31 Jul 2012

Posts: 329

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Post #7
Well it turns out its actually really difficult to turn the bar at all when you've put your back out. Doh.

Is it supposed to be unbelievable f**king tight even from the first few degrees?

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Posted 26th Oct 2014 at 14:32
barrym

Senior User

Location: Westcliff-on-sea

Registered: 26 Jun 2014

Posts: 502

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Post #8
I wouldn't have thought so. 70Nm is not a lot of torque.

Are you using new head bolts?

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Posted 26th Oct 2014 at 15:45
Niall

Seasoned Pro

Location: Epsom

Registered: 06 Jun 2012

Posts: 1,941

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Post #9
barrym wrote:
I wouldn't have thought so. 70Nm is not a lot of torque.

Are you using new head bolts?


That. Chances are if you are using the old bolts, they are at or past their maximum stretch tolerance. NEED a good set of bolts!
Posted 26th Oct 2014 at 16:22
Eddleston

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Location: Leatherhead

Registered: 31 Jul 2012

Posts: 329

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Post #10
Yep, got new bolts in

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Posted 27th Oct 2014 at 00:53
demondriverdan

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Location: Londinium

Registered: 29 Nov 2010

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Post #11
When I did my HG I could only get about 90 degrees with a breaker bar before it wouldn't move any more. That was using new bolts.

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Posted 27th Oct 2014 at 08:58
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #12
itll be gojng again soon then :p

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Posted 27th Oct 2014 at 09:31
demondriverdan

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Location: Londinium

Registered: 29 Nov 2010

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Post #13
I've got no idea how you're supposed to make it tighter. I was using a 1.3m breaker and couldn't get it to move any further!

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Posted 27th Oct 2014 at 10:00
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #14
sure you did 70 Nm and not 70 Lbft?

even I can manage the 160 degrees, and I'm a skinny bas**rd Razz

iirc the 8v goes to 300!

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Posted 27th Oct 2014 at 10:57
jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

Status: Offline

Post #15
Did you put some oil on the back of the bolt heads? Something not right there if you can't tighten them, I did mine on an engine stand which is a dam sight harder than with the engine in the car....

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Posted 27th Oct 2014 at 11:03
demondriverdan

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Post #16
Tbh I can't remember, it was a few months ago. Engine seems ok at the moment so I'll run it until I replace it or it dies!

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Posted 27th Oct 2014 at 11:42
daver6

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Location: Durham

Registered: 08 Aug 2010

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Post #17
I had no issues with tightening, but didn't realise until after that I should have had washers on. The bolts I removed didn't and the new bolts I bought didn't either

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Posted 27th Oct 2014 at 13:07
rallyeash

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Location: Devizes

Registered: 11 Dec 2006

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Post #18
If you don't have the spacer under the one nearest the master cylinder you'll bang a hole in the back of the block!

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Posted 27th Oct 2014 at 13:20
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #19
rallyeash wrote:
If you don't have the spacer under the one nearest the master cylinder you'll bang a hole in the back of the block!


not on an iron block LOL:

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 27th Oct 2014 at 13:45
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #20
daver6 wrote:
I had no issues with tightening, but didn't realise until after that I should have had washers on. The bolts I removed didn't and the new bolts I bought didn't either


probably still in the head, hopefully....

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 27th Oct 2014 at 13:46
Eddleston

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Location: Leatherhead

Registered: 31 Jul 2012

Posts: 329

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Post #21
I counted all the washers and they're all present and correct.
I'll take all the bolts out and try again then... When my back fixes itself.

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the zombie apocalypse started long ago, only no-one realised most can talk and drive
Posted 27th Oct 2014 at 15:22
Eddleston

Regular

Location: Leatherhead

Registered: 31 Jul 2012

Posts: 329

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Post #22
I counted all the washers and they're all present and correct.
I'll take all the bolts out and try again then... When my back fixes itself.

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Posted 27th Oct 2014 at 15:24
barrym

Senior User

Location: Westcliff-on-sea

Registered: 26 Jun 2014

Posts: 502

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Post #23
Is it possible to hydraulic lock the bolts on these?

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Posted 27th Oct 2014 at 17:47
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

Status: Offline

Post #24
quire probably, they're blind holes unlike the alloy block

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need a part number? get on here - http://public.servicebox.peugeot.com

Bring on the Trumpets.

Posted 27th Oct 2014 at 20:56
pete_rallye

Seasoned Pro

Location: Yorkshire

Registered: 12 Dec 2002

Posts: 5,253

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Post #25
Definitely possible, I know someone who ripped the threads out by hydraulic locking it. He'd got oil in the bolt hole...

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Posted 27th Oct 2014 at 21:05

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