TJ radiator fan upgrade info.......2000-2006 TJ - Page 30 - JeepForum.com
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Unread 08-09-2011, 09:23 PM   #436
Tjosh97
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Quote:
Originally Posted by Unlimited04 View Post
So again:
Severe Duty for the stock 5-blade late model TJ - Autozone PN 922791
Severe Duty for the Explorer fan on a late model TJ- Autozone PN 922793
Do you think this is interchangeable with early models? and how about the 2.5L?

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Unread 08-09-2011, 09:32 PM   #437
Tjosh97
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Quote:
Originally Posted by Boundless View Post

cross reff; Imperial 215146 torqflo 922733
Not sure but I thought it was Part Number: 922737 for early models?
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1997 Flame Red TJ 4-Banger (2.5L) 4.0 TB 62mm Bored w/ Spacer -- 31x10.50 D. Cepek "Crushers" -- 15" Black Rock Crawlers -- AEM DryFlow -- Dynomax Super Turbo Cat-Back -- EBC Brake System -- Rough Country 2.5" Lift w/ Discos -- RC Adj Track Bars -- Currie HD Steering -- Rugged Ridge Diff Covers - DDM 6000K HID
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Unread 08-09-2011, 09:37 PM   #438
Tjosh97
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Quote:
Originally Posted by Unlimited04 View Post
if you can find a TSB 7-blade and associated fan clutch, please let me know where.

they were discontinued a few years back, and not a single dealership in the world has one in stock. I had my local dealer check extensively.
If you can get me a part number I'll track it down...
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Red Jeep Club #556 - "DA 4-$LANGER"
1997 Flame Red TJ 4-Banger (2.5L) 4.0 TB 62mm Bored w/ Spacer -- 31x10.50 D. Cepek "Crushers" -- 15" Black Rock Crawlers -- AEM DryFlow -- Dynomax Super Turbo Cat-Back -- EBC Brake System -- Rough Country 2.5" Lift w/ Discos -- RC Adj Track Bars -- Currie HD Steering -- Rugged Ridge Diff Covers - DDM 6000K HID
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Unread 08-10-2011, 07:53 AM   #439
floridamud
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Will this work on a 2000 cherokee with the 4.0?
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Unread 08-10-2011, 08:19 AM   #440
Unlimited04
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Quote:
Originally Posted by Tjosh97 View Post
Do you think this is interchangeable with early models? and how about the 2.5L?
No. read the thread, a few have proposed fan swaps for the early models.

Quote:
Originally Posted by Tjosh97 View Post
If you can get me a part number I'll track it down...
They've been discontinued. You can't get them. The PN won't help.

Quote:
Originally Posted by floridamud View Post
Will this work on a 2000 cherokee with the 4.0?
No.
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Unread 08-10-2011, 09:13 AM   #441
Tjosh97
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I can up with a 77257 for early TJs HD Clutch.

I would like to know the best combo for Early TJs with a 2.5L? Thanks for the help!
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1997 Flame Red TJ 4-Banger (2.5L) 4.0 TB 62mm Bored w/ Spacer -- 31x10.50 D. Cepek "Crushers" -- 15" Black Rock Crawlers -- AEM DryFlow -- Dynomax Super Turbo Cat-Back -- EBC Brake System -- Rough Country 2.5" Lift w/ Discos -- RC Adj Track Bars -- Currie HD Steering -- Rugged Ridge Diff Covers - DDM 6000K HID
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Unread 08-10-2011, 09:15 AM   #442
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Quote:
Originally Posted by Unlimited04 View Post
No. read the thread, a few have proposed fan swaps for the early models.
Thanks Im only on page 21 its a ton to read...
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Red Jeep Club #556 - "DA 4-$LANGER"
1997 Flame Red TJ 4-Banger (2.5L) 4.0 TB 62mm Bored w/ Spacer -- 31x10.50 D. Cepek "Crushers" -- 15" Black Rock Crawlers -- AEM DryFlow -- Dynomax Super Turbo Cat-Back -- EBC Brake System -- Rough Country 2.5" Lift w/ Discos -- RC Adj Track Bars -- Currie HD Steering -- Rugged Ridge Diff Covers - DDM 6000K HID
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Unread 08-11-2011, 08:33 PM   #443
nwaxtreme
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I just put a new Mustang '86 HD fan clutch and Ford 9 blade fan on my TJ. It was excellent just had to trim my shroud due blades too close to drive side part of shroud. Definitely pushes more air.


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Unread 08-12-2011, 12:47 PM   #444
Tjosh97
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Any word on 2.5L's fan upgrade I found a HD fan clutch 922737 (77257)
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Red Jeep Club #556 - "DA 4-$LANGER"
1997 Flame Red TJ 4-Banger (2.5L) 4.0 TB 62mm Bored w/ Spacer -- 31x10.50 D. Cepek "Crushers" -- 15" Black Rock Crawlers -- AEM DryFlow -- Dynomax Super Turbo Cat-Back -- EBC Brake System -- Rough Country 2.5" Lift w/ Discos -- RC Adj Track Bars -- Currie HD Steering -- Rugged Ridge Diff Covers - DDM 6000K HID
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Unread 08-12-2011, 02:11 PM   #445
nwaxtreme
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The water pump bolt patterns looks the same on the 2.5 just wouldn't think the narrowed part of the shroud would be able to handle the fan without colliding. I had to cut my 4.0 shroud down because of this and it doesn't narrow down like the 2.5's. If you can mod another shroud it could work.
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Unread 08-14-2011, 04:20 PM   #446
chmo
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ok ... today I got some nice brown boxes ... a hayden 2793 severe duty clutch and a doorman 620-112 9 blade fan among the stuff ...

The set did not come with any bolts ... so I might need to go get some:
The "universal" fan clutch installation instructions list three different sizes ... but it looks like 6mmx1.0x13mm is the right size?
Or does anybody know if the stock bolts (fan to clutch) will fit the hayden clutch?
(with spacer?)

With my stock setup I have between 209 and 225 degrees while city driving. Tolerable ...
Worse: some slight dune driving in 4hi (2nd gear) lets the water temps climb regularly above 230 ... and my tranny oil temps past 200. No overheating because I take it easier when I notice the temp increase.
Despite the fact that I already have a aux tranny cooler inline after the rad cooler ... (in 4lo (D) everything is cool for hours even with AC at full blast, but not really appropriate in most of my wheeling)

Since I have my scangaugeII (got it last week) I am monitoring IAT and open/closed loop ... strange here, that my TJ always goes to open loop when I want to go faster than 70mph (TPS is at 30! rpm at ~2600) ... IAT around 100. In the city revving past 3000 at lower speeds the engine stays always nicely in closed loop even if I stomp on the pedal ... something is wrong!? Maybe all is connected (slightly higher engine temps and the tendency to fall into open loop on the highway?)
Did lots of web wheeling ... from ccv valves over MAP sensor to bad O2 sensors, clogged mini cats and possible exhaust leak (I have tried to find a vacuum leak idling and spraying wd40 all over candidates with no success). Or is all this "normal"?
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Unread 08-15-2011, 04:22 AM   #447
rangerb3
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Quote:
Or does anybody know if the stock bolts (fan to clutch) will fit the hayden clutch?
(with spacer?)
Found this on the 2 page, Post #21 of this thread....

Quote:
You may need to grab 4 small bolts to bolt the ford fan onto the ford fan clutch. You cant use the jeep bolts.

Ford bolts are a very common 6x1mm I believe. They use a 10mm socket to tighten and remove them.
Not sure about the spacer...I'll need to read some of the early threads since I'm going to be doing this upgrade in a couple of weeks when I get home from Africa!

I already have the 10-blade fan and hayden clutch mentioned early on in this thread! I will also need to get those 6mm x 1" bolts....
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10,000 rotating parts continuosly trying to pull themselves apart while beating the air into submission! You gotta love 'em!!! :-}
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Unread 08-15-2011, 04:26 AM   #448
chmo
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Quote:
Originally Posted by rangerb3 View Post
Found this on the 2 page, Post #21 of this thread....



Not sure about the spacer...I'll need to read some of the early threads since I'm going to be doing this upgrade in a couple of weeks when I get home from Africa!

I already have the 10-blade fan and hayden clutch mentioned early on in this thread! I will also need to get those 6mm x 1" bolts....
Thanks!
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Unread 08-16-2011, 06:54 PM   #449
Best4x4
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I got a new aftermarket 10 blade fan blade cheap and wanted to test it out vs the 9 blade. First bit of info is that it sits WAY back vs the Dorman 9 blade fan. The Dorman fits perfectly 50/50 in/out of the shroud vs the 10 blade fan which sits more like 25/75 in/out. I haven't taken it for a drive yet, but I'm not sure if it's going to cool as nice as the 9 blade due to the location of the fan blade to the shroud.

I'm starting to come to the conclusion of 9 blade Dorman fan blade on Jeeps with a MML and 10 blade fan for Jeeps without an MML.
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Unread 08-16-2011, 11:23 PM   #450
rangerb3
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Quote:
a hayden 2793 severe duty clutch and a doorman 620-112 9 blade fan among the stuff ...
I ordered both parts off Ebay and the picture shows a 9-blade fan...If you order new from a parts supplier like Autozone, PepBoys, or others...do they now send out a 9-blade or 10? I got the parts but won't be home from Africa for another 12 days and the wife is now scared to go into the room where all of my new "brown box" Jeep toys have been staged for my return! They have been stacked so high that I think she's afraid they might fall over and crush her!

Man, I think I may be overwhelmed with new Jeep projects when I get home! I'm sure my wife will appreciate my new JeepForum membership now!

MML = Motor Mount Lift? Sorry, I see the term thrown around a lot on this thread....I did an advanced search on MML and got no hits!
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'02 TJ-X
4" Full Traxxion w/Black Diamond Shocks, BFG AT 33x10, Smittybilt SRC Fr/Rr bumpers, Vortex 12K winch, 3/8" Syn line, Thumb Throttle, Factory Cruise(DIY), Banks Cat-back, AEM Brute Force, Donaldson P550299 HiCapacity Oil Filter w/magnets, Fat Bob's 1.25" Composite Seat Riser Kit, DDM 55w HID's w/Morimoto Projector Upgrades, GenRight 5-piece Louvers, 160A Alternator, Taurus Elect Fan, LED Tailights, LED 3rd Break Light, LED Dome & Interior Lights, Dome cut-out switch, LED Spot & Flood lighting, Polk 5-1/2" Front & 6-1/2" Audio Bar Speakers

Defiintion of a Helicopter:
10,000 rotating parts continuosly trying to pull themselves apart while beating the air into submission! You gotta love 'em!!! :-}
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10 blade , 5 blade , 9 blade , cooling , explorer , fan blade , Fan clutch , ford , upgrade

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