Volvo Tropical Cooling Fan Clutch

VOLVO HD COOLING FAN CLUTCH

Return to Main Page UPDATED: May 26, 2008

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TROPICAL Version - Heavy Duty
Original Volvo Fan Clutch - Made by Aisin
240 and 740 Models
In stock again

Be ready for summer.....
Upgrade the Fan Clutch in your Volvo NOW!

Has your original 240 or 740 fan clutch ever been changed? They don't last forever. Chances are, if it's original, it's worn out.

A few years ago I purchased a pristine '84 242 Turbo. It started to show elevated coolant temperatures (well above the middle) in the summer while running the A/C or when driving up long grades on the freeway. I decided something needed to be done.

I already had a heavy-duty 3-row Nissens radiator in the car, so why was it running hot? I fitted a 180 degree thermostat (the original was 192 deg.). I think it helped a little, but it was still running hot when subjected to moderate loads during warm days, especially if I turned on the A/C. I considered going to a primary electric puller fan, but I really wanted to keep the car original.

I decided to try replacing the fan clutch, as I had heard the original ones didn't pull much air after they got old (like mine). As far as I knew, the fan clutch in my car was an original 1984 part.

I live in an area of Southern California that easily gets over 100 degrees F in the summer. I wasn't completely confident in trying out a new "stock" type fan clutch. What if I spent the money and it was only a small improvement? So I decided to try Volvo PN 1357433, the TROPICAL (HEAVY DUTY) version of this fan clutch. It's an original Volvo item, made by Aisin for Volvos in hotter (tropical) climates. And since Aisin is the original Volvo part manufacturer, it should last!   I was pleasantly surprised by the result... it pulls noticeably more air when needed.   It probably makes a little more "whooosh" sound as the engine revs up, but I think that can be expected, since it's moving more air through the radiator.

I was so impressed by its performance that I located a supplier and decided to start offering them here, since they are hard to find for a decent price.

Before installing this new fan clutch, my temperature gauge would often climb above the middle. Now it consistently stays below 9 o'clock, even on a very hot day AND EVEN WITH MY AIR-CONDITIONER GOING.   I've sold dozens of these now and all reports from customers are positive.

Here's one....
     "...the tropical fan clutch really made a difference on my 760T...." JCM, Garland, TX.

NOTE Regarding testing your old fan clutch and useless internet articles:
I have received a number of emails from people who want to find a way to positively determine if their old fan clutch is worn out before they commit to buying another.   For most fan clutches, it's very difficult to measure any function or efficiency, since fan clutches are pretty mysterious.   A search through the internet doesn't help much at all, because you will find articles that tell you, "...if the fan can be spun by hand... if it makes more than 5 turns after the engine is off.... etc., then it's worn out." Most of these articles are crap.

I have also had some determined customers, who have installed this new fan clutch and, after reading some of these misleading articles (or after talking to a "mechanic friend" who read an article) come to the conclusion the new tropical clutch must be defective because it spins a certain way after revving or idling, as mentioned in some article. What I always tell these people to do is go out and drive the car and see if it does it's job. This always results in a change of attitude, because these fan clutches do work well, regardless of the mysteries behind them.

But if you must read an internet article on the subject and must know how to test a fan clutch... the below link has an excellent and accurate article on fan clutch function and includes methods of testing fan clutches the proper way using a temperature probe and photo-tachometer.
http://www.popularmechanics.com/how_to_central/automotive/1772922.html

OLDER 240's:
Some 1976-1979 240 models were equipped with a one-piece clutch/fan unit, identified by a fan with aluminum blades. These parts are no longer available. To upgrade to the later type of fan clutch (such as this tropical version), you will need to locate the plastic fan and four 6mm studs with nuts for mounting the clutch to the water pump flange. IPD has these parts: www.IPDUSA.com.

Instructions for fan clutch installation... click here.

1357433 Aisin Fan Clutch, Tropical/Heavy Duty, 240/740 all years.
This is an original Volvo part for your 240 or 740.
Don't pay Volvo retail: $256.00. This part is AFFORDABLE!
Your price: $99.00 plus shipping
(shipping weight is 4 lbs... or about $8 to $12 using Priority Mail in the U.S.A depending on your ZIP Code.)

Shipping for Volvo Tropical Fan Clutch
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Thanks, Dave Barton

INSTRUCTIONS FOR REPLACING FAN CLUTCH

                                                      1. Disconnect the negative (-) battery cable from the battery.
                                                      2. Remove the screws securing the top of the plastic fan shroud
                                                           to the radiator.
                                                      3. Push or lift the fan shroud out of the way.
                                                      4. Remove the four (4) mounting nuts holding the fan clutch to the
                                                           fan pulley. These are typically 10 mm nuts and will require a
                                                           10 mm combination wrench.
                                                      5. Separate the fan from the fan clutch. There are four (4)
                                                           mounting nuts holding the fan to the fan clutch. These are
                                                           typically 10 mm nuts and will require a 10 mm socket wrench.
                                                      6. Installation is reverse of removal.

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