Thread: Nylon idler bearing 300 TDi

Slug burner.

Take the pulley into supercheap or repco etc and match it up with a commodore one. I think VS or VR serpentine belt idle/ tensioner fit. I have used them in the past but I can't remember which it was from.

JC

JC,

The nylon pulley in on the AC belt, no sign of a sprung tensioner on that belt. I can see the tensioner on the wider belt on the alternator and water pump belt.

I guess the answer is probably still the same, see if you can match it to something at supercheap or repco!

I wanted to establish if the nylon pulley could have the bearing pressed out of it. I also thought that I could remove the lip holding the bearing in the pulley and score a groove for a circlip once replced. Might all just be too much stuffing around

Originally Posted by slug_burner

JC,

The nylon pulley in on the AC belt, no sign of a sprung tensioner on that belt. I can see the tensioner on the wider belt on the alternator and water pump belt.

I guess the answer is probably still the same, see if you can match it to something at supercheap or repco!

I wanted to establish if the nylon pulley could have the bearing pressed out of it. I also thought that I could remove the lip holding the bearing in the pulley and score a groove for a circlip once replced. Might all just be too much stuffing around

Sorry, I may have to clarify it a bit more, I meant the tensioner or idler PULLEY from a commy. They are attached the same way as a landy one.
They will be a larger diameter, but there is plenty of adjustment there.
They even run exactly the same bearing, a 6203.
Don't try to fix the nylon one, as it is molded to the bearing, and if they come apart, the belt comes off and gets caught up in the A/C clutch etc and makes a mess of things....

Holden gen 111 v8 pulley fits as well

okey dokey then,

Down to supercheap or repco.

Yes there is plenty of adjustment to handle a biggger pulley

Or hunt down a steel one like Ive got on mine and carry spare 6205 and a pair of circlip pliers.

Or you could carry a spare pulley or 2, about the same money really

Ok,

Have been down to Supercheap, Repco and Autobarn. Just mention Land Rover and the shop assistants roll their eyes.

Both Repco and Autobarn use this catalogue

http://www.precisionparts.com.au/Pag...07_singles.pdf

It is about 4 MB.

The important things to know are that a 6203 bearing has 17mm ID and that you are after a PK4 (four grove belt pulley profile or poly V) for your defender AC. I suspect that the longer serpentine belt that runs everything else is either a PK6 or maybe PK7 profile (RANGE 4.2L petrol V8 uses PK7). I haven't stuck my head under the bonnet to confirm.

PK4 is not used in that many applications, the EP 167 as used on the PT Cruiser has an OD of 82 mm and a width of 21mm(300TDI defender one is 75mm OD, 21mm W) is the closest match, Honda use an EP 136 on quite a number of cars and that has an OD of 70mm and only 18mm W, not sure if that means they don't have the outer ridges to help keep the belt running on the pulley therfore slightly less width. Subaru also use a EP 136.

If your stuck for one in the bush don't waste your time with Toyota and Nissa as they use a 12mm ID PK4 pulleys.

The most popular appear to be the PK6 as used by Holden and Fords, I grabbed a EP003 and will see if this baby fits as it was cheap ($30) and readily available, if it works I will post some pictures. If it doesn't I will go and get a refund. Probably easier to just go to the LR stealer and see what they want for their pulley assembly.

Originally Posted by slug_burner

Ok,

Have been down to Supercheap, Repco and Autobarn. Just mention Land Rover and the shop assistants roll their eyes.

Both Repco and Autobarn use this catalogue

http://www.precisionparts.com.au/Pag...07_singles.pdf

It is about 4 MB.

The important things to know are that a 6203 bearing has 17mm ID and that you are after a PK4 (four grove belt pulley profile or poly V) for your defender AC. I suspect that the longer serpentine belt that runs everything else is either a PK6 or maybe PK7 profile (RANGE 4.2L petrol V8 uses PK7). I haven't stuck my head under the bonnet to confirm.

PK4 is not used in that many applications, the EP 167 as used on the PT Cruiser has an OD of 82 mm and a width of 21mm(300TDI defender one is 75mm OD, 21mm W) is the closest match, Honda use an EP 136 on quite a number of cars and that has an OD of 70mm and only 18mm W, not sure if that means they don't have the outer ridges to help keep the belt running on the pulley therfore slightly less width. Subaru also use a EP 136.

If your stuck for one in the bush don't waste your time with Toyota and Nissa as they use a 12mm ID PK4 pulleys.

The most popular appear to be the PK6 as used by Holden and Fords, I grabbed a EP003 and will see if this baby fits as it was cheap ($30) and readily available, if it works I will post some pictures. If it doesn't I will go and get a refund. Probably easier to just go to the LR stealer and see what they want for their pulley assembly.

The EP003 fouled a bolt head on the timing cover. The 70mm OD pulley might have been a better choice but they did not hold it in stock.

Have subsequently found Heatcraft and auto ac spares supplier catalogue and they have a OD 75mm 4 PK pulley.

Still waiting for Melb City Land Rover from the URL group to give me a call for when they get the correct part in. I have already wasted on trip in to find they had sourced the wrong part.