200 Tdi crank timing pulley

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S

Steve Taylor

Guest
Hi Folks,
200 Tdi timing belt pulley, the one on the crankshaft.

How DO you pull it off ? I have made a pulling tool, but the necessary
force has snapped one of the three M5 studs I was pulling with. Can I
apply some heat, or will I knacker the crankshaft ?

TIA

Steve
 
In article <[email protected]>, Steve Taylor
<[email protected]> writes
>Hi Folks,
>200 Tdi timing belt pulley, the one on the crankshaft.
>
>How DO you pull it off ? I have made a pulling tool, but the necessary
>force has snapped one of the three M5 studs I was pulling with. Can I
>apply some heat, or will I knacker the crankshaft ?
>Steve


Hi Steve

are you talking about the gear that the timing belt runs on?

These rarely are difficult to remove. I have only come across one out of
the hundreds that I must have done over the years.

The way that I did it was to make a puller using an old gear that I
bolted through using those M5 bolt holes to the stuck gear on the crank.
This meant that the pull on the M5 studs was always in the right
direction and there was much less chance of them breaking. Give it a
good soaking in WD40 too.

Heating really is a last resort it should not damage the crank unless
you are really brutal .But as you will be replacing the oil seal
anyway.... On the 300 tdi it is not a good idea due to the location of
the oil pump.

hope this helps
--
Marc Draper

Forsale

Landrover Defender 90 300tdi county hardtop 1996 72K
Landrover Discovery comercial 300tdi S reg 70k
Landrover Discovery Comercial 300tdi R reg 62k
Toyota Hilux surf 2.4 AW/AC/EW/SR

Super winch X9 + genuine Landrover fitting kits for 200 Disco.
 
had trouble geeting mine off when the keyway broke up ended un using a
slide hammer connected to an M5 bolts and worked my way around each one ,
once it started to move it slide off easily just had to break through the
burr on the keyway !
"


 
marc wrote:

> Hi Steve
>
> are you talking about the gear that the timing belt runs on?

That's the one.
>
> These rarely are difficult to remove.
I've got news for you.

> The way that I did it was to make a puller using an old gear that I
> bolted through using those M5 bolt holes to the stuck gear on the crank.

What did you use for the puller bolts ? I used some bits of M5 studding,
but they aren't up to it - one snapped.
>
> Heating really is a last resort it should not damage the crank unless
> you are really brutal .But as you will be replacing the oil seal
> anyway.... On the 300 tdi it is not a good idea due to the location of
> the oil pump.

Another helpful reply suggested burring on the key would stop it moving
- the damper wasn't fastened at ALL, so maybe thats the answer, deburr
the key and try again ?

Steve
 
Steve Taylor wrote:

> Hi Folks,
> 200 Tdi timing belt pulley, the one on the crankshaft.
>
> How DO you pull it off ? I have made a pulling tool, but the necessary
> force has snapped one of the three M5 studs I was pulling with. Can I
> apply some heat, or will I knacker the crankshaft ?

I've had success in the past by using a long pry bar and by very gently (but
with a lot of force) prising the pulley off working slowly round (turning
the engine over). What does you puller look like?

Regards

William MacLeod
 
William MacLeod wrote:

> I've had success in the past by using a long pry bar and by very gently (but
> with a lot of force) prising the pulley off working slowly round (turning
> the engine over). What does you puller look like?

Flat disk, drilled 120 deg 5.2mm holes on 20.4 mm PCR. Centre drilled
1/2" Whitworth for stud that bears on rear of crankshaft hole.

Studs screwed into pulley, pass through disk, two nuts on each stud.


Steve
 
Steve Taylor wrote:
>
> What did you use for the puller bolts ? I used some bits of M5 studding,
> but they aren't up to it - one snapped.

Studding is normally pretty soft. I'd suggest using a grade 8 or 10 bolts.

--
EMB
 
EMB wrote:

> Studding is normally pretty soft. I'd suggest using a grade 8 or 10 bolts.

Yes, but its all I had in stock. What kind of length can I get HT bolts
(M5) in ?

Steve

 
Steve Taylor wrote:

> Yes, but its all I had in stock. What kind of length can I get HT bolts
> (M5) in ?

I've got some 100mm ones here and IIRC they weren't the longest the
supplier had either.


--
EMB
 
EMB wrote:

> I've got some 100mm ones here and IIRC they weren't the longest the
> supplier had either.

I should be laughing then - out with the dremel to deburr the key first,
then get new bolts.

Thanks

Steve
 
Steve Taylor wrote:
> EMB wrote:
>
>> I've got some 100mm ones here and IIRC they weren't the longest the
>> supplier had either.
>
>
> I should be laughing then - out with the dremel to deburr the key first,
> then get new bolts.

A lot of the thru bolts that hold alternators together are M5 and a
decent length if you have trouble finding any.

--
EMB
 
EMB wrote:

> A lot of the thru bolts that hold alternators together are M5 and a
> decent length if you have trouble finding any.
Another great tip. Thanks

Steve

 
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