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Author Subject: Locking the flywheel
jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

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Post #1
I know this has probably been covered a few times and i have tried a search but cant find a clear picture, i'm currently just tackling my timing belt now according to the FAQ there is an 8mm hole to pass a pin through the bellhousing casing and flywheel to lock up the flywheel in order that the Crank pulley bolt be undone, i cant find this hole so to speak lol can any one post a pic showing me where abouts it is?Unsure

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Posted 3rd Mar 2010 at 21:02
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gnrlee Forum Admin

Location: Leeds

Registered: 20 Aug 2005

Posts: 8,878

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Post #2
try PM'ing Stan

he helped me with fitting mine I don't remember ever having to pin the Flywheel tho I know he used a plastic guide through the center?
Unsure

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Posted 3rd Mar 2010 at 21:30
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #3
FAQ is WRONGGGGGG

The 8mm hole to the flywheel is only used on the XUD engine.

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Posted 3rd Mar 2010 at 21:37
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ryangti6

Seasoned Pro

Location: Pontypool

Registered: 01 Sep 2006

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Post #4
welshpug! wrote:
FAQ is WRONGGGGGG

The 8mm hole to the flywheel is only used on the XUD engine.


Are you sure about that?
Both of my gti6 blocks have the hole and the notch out of the rear of the flywheel.

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Posted 3rd Mar 2010 at 21:43
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #5
yep, the XUD and XU block is the same casting, so yes the hole will be there but its not to be used for this purpose.

even on the XUD you should not use it as a means to lock the crank, only to time it up.

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Posted 3rd Mar 2010 at 21:49
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xu7jp

Newbie

Location: nilai,malaysia

Registered: 18 Sep 2007

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Post #6
dunno about the 6, on my xu7 I put 5th gear and ask someone to step on the brake pedal to prevent the crank pulley from turning. I got it from the haynes manual.
Posted 3rd Mar 2010 at 21:55
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joevts

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Location: barnsley

Registered: 21 May 2008

Posts: 608

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Post #7
xu7jp wrote:
dunno about the 6, on my xu7 I put 5th gear and ask someone to step on the brake pedal to prevent the crank pulley from turning. I got it from the haynes manual.


i recently got an engine in which the bottom end had let go, following the instructions in the haynes manual i thought how am i supposed to do that when there isn't even a gearbox attached, never mind any brakes? LOL so i shoved a claw hammer through the hole in the side of the block, that stopped the crank from rotating Laugh my ass off
Posted 4th Mar 2010 at 00:05
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pugjim

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Location: Sheffield

Registered: 11 Mar 2007

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Post #8
according to autodata the proper flywheel locking tool is C115 on this page http://www.lasertools.co.uk/items/pdf/Products/4291_instructions.pdf
Posted 4th Mar 2010 at 02:43
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #9
clicky for Jim

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Posted 4th Mar 2010 at 02:47
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

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Post #10
Use an air-gun on the crank pulley bolt, you won't need to lock off the engine to remove the bolt then. You will though when you want to torque it back up, Draper do a flywheel locking tool, it has teeth that engage with the ring gear (there is a gap in the casting at the front of the gearbox where you can gain access to the ring gear) the tool has a slotted hole that you use one of the gearbox flange bolts to hold it with. There is a picture of me using it in my project thread.

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Posted 4th Mar 2010 at 02:51
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #11
its identical to the lazer tool Jim linked to above BTW Smile

not sure if you could use that on an engine without removing the starter motor, can't remember if there's any access available at the back of the block.

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Posted 4th Mar 2010 at 02:54
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

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Post #12
welshpug! wrote:
its identical to the lazer tool Jim linked to above BTW Smile

not sure if you could use that on an engine without removing the starter motor, can't remember if there's any access available at the back of the block.


There is'nt, but there is a handy hole that you can poke a deep socket through and go into the holes in the Rich W lightened flywheel I have, not sure what there is to lock into on a standard cast flywheel though Unsure

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R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 4th Mar 2010 at 03:37
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jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

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Post #13
Hmmm nothings ever easy is it? Dunno So what we're sayig is use an airgun to undo.... but how do i tighten it without straining/ pulling against the belt?? Mind you i'm fitting a Rich w Ally bottom pulley so if i pin that it should be okay to tighten against should it not??Unsure

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Posted 4th Mar 2010 at 03:55
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,817

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Post #14
put it in gear and have an assistant lean on the brake pedal Thumbs up

DO NOT TIGHTEN THE PULLEY WITH THE PIN IN IT!!!!

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

Bring on the Trumpets.

Posted 4th Mar 2010 at 03:57
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jeffers Forum Admin

Location: Leeds

Registered: 14 Dec 2003

Posts: 3,702

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Post #15
welshpug! wrote:
put it in gear and have an assistant lean on the brake pedal Thumbs up

DO NOT TIGHTEN THE PULLEY WITH THE PIN IN IT!!!!

Fair enough! Thanks for the replies! Thumbs up

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Team Negative Camber!
My Budget track engine build thread!
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Posted 4th Mar 2010 at 04:01
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daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #16
welshpug! wrote:
put it in gear and have an assistant lean on the brake pedal Thumbs up

DO NOT TIGHTEN THE PULLEY WITH THE PIN IN IT!!!!


+ 1

________________________________________

R H Davey Welding Supplies. I sell new and used welding equipment in the Hampshire area. I take on welding jobs in the evenings, ally casting repairs are one of my specialities but I can weld pretty much anything. PM me with your requirements.

Some of my services: (See my for sale threads)
Engine mount/chassis repair
Solid Beam Mounts BACK IN PRODUCTION
Harness bars
Posted 4th Mar 2010 at 05:52
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cjm_harris

Seasoned Pro

Location: Parts for Sale section

Registered: 04 Dec 2007

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Post #17
I just changed my crank pulley for a lightweight one. I tried putting it in gear, and standing on the brakes, but it felt well spongey when trying to undo it.

I ended up using a mini pribar through the little viewing hole on the gearbox casing. Worked a treat.

I just made sure I rested it against the teeth that the starter uses.

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Chris
1999 China Gti6 Supercharged Devil [Fun car] >>Project Thread<<
2000 Bianca 306 Diesel [Work runabout]
Posted 4th Mar 2010 at 19:57
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jonnie205

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Location: Bicester

Registered: 10 Apr 2005

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Post #18
in gear with foot on brake wont work, you will just be winding up the springs in the clutch and moving engine on its mounts. the torque will be wrong doing it this way. Have a mate lock flywheel through bellhousing, or if you have a trusted air gun just run it up tight with that
Posted 4th Mar 2010 at 19:38
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