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Mudmonster 26-11-2012 04:41 PM

1 Attachment(s)

Originally Posted by Adrian D (Post 1335532)
For those of you who still have the viscous fan clutch, I have some info.

The 2.5 TD and 5.9 equipped ZJ's have a different fan clutch to the 2.5 TD XJ's, apparently heavier duty. Looking through the Hayden catalog I've found that the XJ OEM fan clutch part # is 2771 and is listed as Heavy Duty. After more searching I found that there is a Severe Duty alternative, part # 2791. The Sever Duty version is thicker and a bit smaller in diameter. Both are available on and the price isn't too dear either.

New clutch is Hayden 2791, old one is what came stock on the car:

the 5.2L V8 94-04 is the same
thats what im running in mine. cost $50 i think

Attachment 58266

Balkanac 26-11-2012 05:34 PM


Originally Posted by Mudmonster (Post 1335670)
the 5.2L V8 94-04 is the same
thats what im running in mine. cost $50 i think

Attachment 58266

where did you get yours from?

Mudmonster 26-11-2012 06:03 PM


Originally Posted by Balkanac (Post 1335682)
where did you get yours from?

ebay in the UK, it was about 12months ago,
put in this number 270784331866 in the search on

layback40 04-12-2012 02:18 PM


Originally Posted by Moss (Post 1337749)
Does anyone know if there is a K&N air filter that will fit?

I wouldnt use a K&N air filter if you gave it to me.
They do not filter dust out well enough.
Their use on some earth moving equipment voids warranty.
Its funny seeing a K&N rep trying to promote his filters to a equipment owner when there is a CAT tech present that he doesnt know about. Once he finds out, he generally forgets how to speak English & leaves.
i just blow my paper element out with compressed air regularly.

Adrian D 08-12-2012 07:22 AM

On the topic of air filters, measuring the pressure between the turbine inlet and the air filter should show if the filter is performing as per the needs of the engine or not. I plan to do it at some point but it's very low on the priority list.

mud_slut 13-12-2012 01:02 PM

if anyone is interested in a k&n filter the part no. should be Kn332098 (same airbox as an excel)

i asked a few mechanics (3 different mechanics) and retailers (super cheap, burson, autobahn & repco) for k&n and got a lot of mixed reviews.

Retailers swore by the product swearing it was the best thing since sliced bread. When i mentioned that as a hig air flow filter a lot of dust and dirt from the track could end up in the engine the were pessimistic of the idea and that the filter would ensure nothing would enter the engine. Some suggested that if you wanted a washable filter, try some of the brands that are suited for 4x4s and dont provide the same amount of high airflow.

When i asked the mechanics where they stood a lot of them did agree that air flow sensors, MAF sensors can be destroyed by filters that can be manually oiled. they did say that 90% of the time it fell back on the owner who over oiled their filter some to the point where it was dripping.

Still unsure whether i will run one. Was thinking of using a K&N for road use and a standard disposable filter for offroad use (sounds like a lot of effort i know).

Mudmonster 13-12-2012 02:39 PM

there is a filter similar to K&N they are called redline, i had one i my commodore dont belive it was oiled from memory, could be another option for you??

i was running a Non oiled pod air filter on my jeep and boy did it make a differance in performance.

Mudmonster 25-01-2013 02:51 PM

thought i woul put this in here

overflow Cap part number 52028256 (thaks to Merv)

Adrian D 28-02-2013 11:30 PM

Water pumps:

You can find metal impeller water pumps on, search "Jeep Cherokee 2.5 TD Wasserpumpe":

ASP-Eberle is a good seller, ships worldwide, speaks english. I got my Hella headlights from him, they shipped quick. I bet he stocks both sizes.

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