Question about 1987 Ford Ranger

2 Answers

In what direction should the plastic, 8-blade, aftermarket replacement for the metallic OEM fan turn when installed?

In other words, the fan blades each have a thick, squared off edge and a thinner, flare-curved (feathering) edge, but which fan blade edge is leading and which is trailing as over all fan turns with the engine? The fan was sold by Autozone or maybe by Kragen. It is white in color. I cannot figure how to post a picture.

Posted by Stephen Peter Ross on


2 Answers


  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Ford Master
  • 1,258 Answers

Find me helpful, the feathered edge is always the trailing edge. Find my other posts to your same question helpful, The B side, thick edge goes towards the engine on your belt-driven ford ranger fan. This is not rocket science. In what direction should the plastic, 8-blade, aft - in-direction-plastic-8-blade-u40lsvyytnuesyuv3fbafhtd-1-0.gifa picture just 4u.

Posted on Jan 04, 2015

  • Stephen Peter Ross
    Stephen Peter Ross Jan 05, 2015

    But wait. That one seems to have the fan on backward, feather edge trailing (if ccw) or leading (if cw), and untorquing the LHT nut (at max airflow (toward the radiator). I used to see that kind of thing as a pubs director, when some draftsmen are left on their own with no tech support. Looks to me like the fan is "flying" the wrong direction. Good chance also of that happening in the digital CAD world, where all drafting sheets are transparent.



Charles Howard

  • Level 1:

    An expert who has achieved level 1.


    An expert that got 5 achievements.

    New Friend:

    An expert that has 1 follower.


    An expert who has answered 20 questions.

  • Contributor
  • 24 Answers

I;ll guess you are talking about the fan that cools the engine. If this is the case the fan will (in most cases) be located behind the radiator. If this is the case install the fan blades so it will pull air through the radiator. However if this is an electric fan that is mounted outside the radiator, then install the fan to push air into the radiator. Hope this helps.

Posted on Jan 01, 2015

Testimonial: "I have all that but the clutch will mount to the fan hub on both sides so the the blades leading edges lead and trailing edges trail (the fan blades do not go backwards). I need to know which is the leading edge of each blade so that it draws air and turns smoothly and quietly without turbulence or excess vibration leading to damage. I have tried posting a photo but that does not seem to work."


Add Your Answer


Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

2 Answers

I have a 1992 Mazda B2600i that needs the cooling fan blade. It has 8 blades of hard plastic, with a small metel ring in the middle that attaches to the outside of the fan clutch. The problem is, I...

You will have to find this part is a salvage yard as it's obselete new. or you can remove the fan altogether and install an aftermarket replacement fan complete. make sue it's blowing in the correct direction if you do as they'll blow either way if you put the wires on backwards.

Aug 09, 2011 | 1992 Mazda B-Series

1 Answer

Replacing fan belt?what tools are required?


Things You'll Need
3/8-inch drive breaker bar
Metric sockets
Serpentine belt

1 Open the hood and inspect the flat surface on top of the plastic fan shroud for the belt routing diagram. Follow the diagram instructions to route the new belt.

2 Locate the serpentine belt self-adjusting tensioner on the front of the engine block. The tensioner has a pulley on the bottom of the tensioner arm, which the belt travels under. The tensioner can only be rotated from the bolt that secures the pulley to the tensioner arm.

3 Rotate the tensioner in a clockwise motion with a metric socket and the breaker bar to loosen the tension from the belt. Then, pull the belt off the top of the tensioner pulley. Release the tensioner pulley and pull the breaker bar off the pulley bolt.

4 Pull the belt out of the accessory pulleys. Then, slide the belt around each fan blade and out of the engine bay. Rotate each fan blade to the top side of the engine to get the belt around each fan blade.

5 Match both the new belt and the old belt together to make sure that the new belt is the correct size. Then, route the new belt around each fan blade and around the crankshaft pulley. The crankshaft pulley is the big pulley at the very bottom of the engine.

6 Follow the routing directions from the belt routing diagram to install the new belt around the other accessory pulleys. Once the belt has been routed around all of the pulleys, look over the belt and make sure that it is secure inside all of the pulleys.

7 Crank the 1998 Dodge Caravan and let the motor run for about 15 seconds. This will finish seating the ridges of the new belt into the grooves of each accessory pulley.

8 Shut the motor off and close the hood.

Jul 07, 2011 | 1998 Dodge Caravan

3 Answers

Catalytic converter needs replaced, want to do it myself but need a set of instructions or a manual. thought i could find one on the internet but not having any luck.

Visit your local library and take a look at their motor manual collection for general instructions for this procedure.

Mar 03, 2011 | 2003 Toyota Highlander

1 Answer

Already replaced the clutch fan on our 98 isuzu rodeo but now it revs up when first started until it finally changes gears then it doesn't do it anymore until the next time it is started. Thought maybe we...

The fan has an arc to the individual blades. The inside of the arc goes to the rear, and of course the outside of the arc points to the front. Imagine if the blades were cut out of a very large piece of metal tube, the arc or curve of the blades would still be visible as you look at the individual fan blades. This is the arc I was speaking of. The part of the blade that would have been the inside part of the very large piece of metal tube, the blades cut from faces the rear, and the part of the blade that was the outside of the tube faces forward.

Dec 20, 2010 | Isuzu Rodeo Cars & Trucks

1 Answer

How to remove fan on a 5.2L engine

Hi, 5.2L Engines

  1. Disconnect the negative battery cable.
  2. The viscous fan drive and blade assembly is threaded into the water pump hub shaft. Remove the fan drive and blade assembly from the water pump by turning the mounting nut counterclockwise as viewed from the front while securing the water pump pulley. Do not remove or unbolt the fan drive and blade at this time.

Fig. : Fan blade and viscous drive (click for zoom)

The threads on the viscous fan drive are right hand threaded.
  1. Remove the 2 fan shroud-to-upper crossmember nuts.
  2. Remove the fan drive, blade and shroud as an assembly.
WARNING Do not place the viscous fan drive in a horizontal position. If stored horizontally, silicone fluid in the viscous fan drive could drain into its bearing assembly and the assembly would have to be replaced.
CAUTION Do not remove the water pump pulley-to-water pump bolts. The pulley is under spring tension.
  1. Remove the 4 bolts securing the fan blade assembly to the viscous fan drive.
To install:
  1. Install the fan blade on the viscous drive. Install the bolts and tighten them to 17 ft. lbs. (23 Nm).
  2. Position the fan shroud, viscous fan and blade into the engine compartment as an assembly.
  3. Position the fan shroud to the radiator. Insert the lower slots of the shroud into the crossmember. Install the upper attaching nuts.
Ensure the upper and lower portions of the fan shroud are firmly connected. All air must flow through the radiator.
  1. Install the fan drive and blade assembly to the water pump shaft and tighten the nut.
Ensure there is at least 1 inch (25mm) between the tips of the fan blades and shroud.
  1. Connect the negative battery cable.
Take care

Aug 04, 2010 | 1993 Jeep Grand Cherokee

3 Answers

Need to change a turn signal & back brake


Rear Turn Signal, Brake, & Marker Lights
  1. Disconnect the negative battery cable.
  2. Open the trunk.
  3. Unfasten the nuts or other retainers from the rear trim.
  4. Unfasten or release the housing cover retainers.
  5. On some vehicles, you may have to remove the rear fascia/body panel and light assembly to get to the sockets.
On some vehicles, such as this 1986 Grand Am, you must remove the rear body panel with the lamp

Depending upon vehicle application, remove the lamp socket either by rotating it counterclockwise (approximately 1/4 turn) until the plastic tabs disengage, or by squeezing the metal tangs while pulling the socket from the light assembly

Remove the lamp socket assembly by turning it counterclockwise, then pulling it out

Generally, side marker lamps use small bulbs with flat, blade-type bases, and tail lights/turn signals use larger, round-based ("bayonet") bulbs.
  1. Remove the bulb from the socket using the appropriate method. Bulbs with blade-type bases pull straight out, while those with round bases and protruding pins (bayonet-type bulbs) must be depressed, then rotated counterclockwise (approximately 1/8 turn) before pulling out.
Remove the side marker bulb from its socket by pulling straight out

To install:
  1. Secure the bulb in the socket using the appropriate method. Bulbs with blade-type bases push straight in, while those with round bases and protruding pins (bayonet-type bulbs) must be inserted, then depressed and rotated clockwise (approximately 1/8 turn).
  2. Install the lamp socket using the appropriate method. Depending on the type of socket, either engage the plastic tabs, and rotate the socket clockwise (approximately 1/4 turn), or push on the socket until the metal tangs engage.
  3. Install the housing cover nuts.
  4. If removed, install the rear fascia and light assembly.
  5. Install the rear trim.
  6. Connect the negative battery cable, then check the operation of the rear lights.

Oct 17, 2009 | 1995 Buick Skylark

1 Answer

Change wiper blades

you are changing the blade not the arm oem connector dont need to be touch

Jul 01, 2009 | 2006 Jaguar XJ8

2 Answers

How can i tell if the fan clutch on my 05 titan has gone bad

* Fan operation can be checked by spinning the fan by hand.
* A noticeable wobble or any blade that is not in the same plane as the rest indicates that replacement is in order. The fan can also be checked by removing it and laying it on a flat surface. If it is straight, all the blades should touch the surface. Never attempt to straighten a damaged cooling fan. Bending it back into shape might seem easier (and cheaper) than replacing it, but doing so is risky. Whenever metal is bent, it is weakened.
* Fan clutches use a fluid-filled chamber (usually silicone) to turn the fan. Obviously, loss of the drive fluid will render the fan useless.
* One of the simplest checks is to visually inspect the fan clutch for signs of fluid loss.
* Oily streaks radiating outward from the hub shaft mean fluid has leaked out past the bearing seal.
* Most fan clutches offer a slight amount of resistance if turned by hand when the engine is cold. They offer drag when the engine is hot. If the fan freewheels easily hot or cold, replace the clutch.
* Another check that should be made is to push the tip of a fan blade in and out. Any visible looseness in the shaft bearing means the fan clutch should be replaced.
* Fan blades are balanced at the time of manufacture but can be bent if handled carelessly.
* Likewise, fan clutches are machined very accurately to run true. However, rough handling at the time of pump replacement causes nicks and dents on the mounting faces. This can cause the fan blade to be installed crookedly. Serious trouble might follow soon after the car is back in service.
* Therefore, handle fan clutches and blades with care and be sure to file away any nicks, burrs, or dents someone else might have caused. Obviously, if any fins have been broken off the fan clutch, it must be replaced.

Jun 24, 2009 | 2004 Nissan Titan

1 Answer

Radiator/Condensor Fan. Which is Which?

The condensor fan is on the left (passenger side) should have 4 blades.

Jan 23, 2009 | 1995 Honda Accord

1 Answer

Fan blades broke

dis-connect the negative battery cable
remove the upper fan shroud
use a large cresent wrench and place it on the nut just behind the fan and unbolt it
reverse to install new one.

Oct 05, 2008 | 1999 GMC Yukon

Not finding what you are looking for?
Cars & Trucks Logo

122 people viewed this question

Ask a Question

Usually answered in minutes!

Top Ford Experts


Level 3 Expert

85239 Answers

Thomas Perkins
Thomas Perkins

Level 3 Expert

14852 Answers


Level 3 Expert

4372 Answers

Are you a Ford Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides