How To Clean Iac 1999 Ford Ranger

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This How To is for cleaning your throttle body and IAC (Idle Air Control Valve). The cleaning steps work on all engine throttle bodies and IAC's, even so the breakdown is different on certain size engines. This How To was performed on a 1997, 4 cyl 2.three fifty engine. With this cleaning you should feel a smoother idle, better acceleration, and possibly better mpg, all depending on how muddied your throttle body is.
Tools needed: (Non all of these are necessary y'all volition see which ones are)

Ratchet with extension
10mm socket
3/8th socket
flashlight
Throttle torso cleaner
Button pivot remover
Cuetips
Paper towel.
Flathead screw commuter
Plywood (optional)
MAF cleaner

You will observe this sticker on your throttle body, ignore information technology any special coating they accept has worn off and is covered in carbon. you cant hurt your throttle body past cleaning it the correct way, with the correct cleaners.

Pace 1 . Remove the throttle trunk embrace by removing one ten mm bolt. the push pin and so it just snaps off the throttle body.

Footstep 2 . Remove the electric connectors, these can be removed by pushing in the pins and pulling up or out. At that place is also ane on the IAC

1 on the throttle body

One on the air intake hose

Pace 3. Using your flat head spiral driver on the throttle body and the air box,Remove the air intake hose by loosening the clamps

Step 4. Remove the throttle cable by pulling it, it will pop off the throttle body.

Pace v . Remove the throttle body past taking out the 4 bolts holding information technology on using the 3/8th's socket. I did this by loosing them with the socket then taking them out by hand. Y'all volition need your extension for ane of the bolts since you lot wont be able to reach your hand in there. I used my magazine lite to detect this bolt and put the socket on it. there is also a hose that yous will have to pop off.

Step half dozen . Remove the IAC by taking out the ii 10 mm bolts holding information technology onto the throttle body.

Step 7. Clean your throttle torso, past spraying throttle body cleaner on the plate and all effectually information technology, utilise paper towels to wipe. DO Not use a castor. Brushes will scratch upwards the within. As you spray, dump out the liquid every bit information technology builds upwards. The task is not a clean one, I recommend putting a sheet of plywood down then putting a paper towel on top of it.

Before:

After:

As y'all can see mine needed a cleaning really badly, it was completely blackness within.

Stride 8. Clean the IAC. (I used maf cleaner to exercise this) You can too use throttle body cleaner that does not contain solvents. This is where the cue tips come in handy.

Before:

Later:

This IAC did not clean up too well, sometimes repeating these steps are necessary.

Step 9. Permit everything to completely dry and re-install in reverse society.