Coilpack replacement [ Update ]
#1
Coilpack replacement [ Update ]
The coilpack is the last thing I have to replace on this thing before I take the whole truck out with a harpoon missile. I'm having difficultly nailing the right part for sure and I want to make sure I get it right so I don't waste my time.
Ford Parts Online refers to an "1992-2006 4.0 Ignition Coil" for $105.00. There are also catagories with no parts listed (distributor, ignition module, cap, rotor, etc). Is that "Ignition Coil" the device I'm looking for? I can't find anything called a coilpack or Distributorless Ignition Module.
Ford Parts Online refers to an "1992-2006 4.0 Ignition Coil" for $105.00. There are also catagories with no parts listed (distributor, ignition module, cap, rotor, etc). Is that "Ignition Coil" the device I'm looking for? I can't find anything called a coilpack or Distributorless Ignition Module.
Last edited by FireRanger; 12-22-2005 at 10:40 AM.
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Installed a CB radio and 2 meter radio in my '00. The CB radio receives onboard noise, but the 2 meter does not....
The following is what I have done to remove some of the onboard noises:
I have installed capacitors on the power leads, upgraded the sparkplug wires, run the power leads directly to the battery, shielded the power leads with braded grounding strap, replaced the coax from the antenna to the radio with double shielded LMR 240 coax. All of these helped some.....
Had a whistling sound that increased with engine RPMs which I identified as the alternator..... Recently upgraded the alternator to a 160A with HD rectifier and voltage regulator.... This removed the whistling sound and a little of the other background noise !!!!
The only other thing that can be done is to install a capacitor on the fuel pump power leads to remove the noise it generates.... Not sure when I will do that !!!!
OR 4x4
The following is what I have done to remove some of the onboard noises:
I have installed capacitors on the power leads, upgraded the sparkplug wires, run the power leads directly to the battery, shielded the power leads with braded grounding strap, replaced the coax from the antenna to the radio with double shielded LMR 240 coax. All of these helped some.....
Had a whistling sound that increased with engine RPMs which I identified as the alternator..... Recently upgraded the alternator to a 160A with HD rectifier and voltage regulator.... This removed the whistling sound and a little of the other background noise !!!!
The only other thing that can be done is to install a capacitor on the fuel pump power leads to remove the noise it generates.... Not sure when I will do that !!!!
OR 4x4
#13
I have an HF rig that goes in and out of the vehicle when I want to use it, 2 meters, and a CB. Only noise I have is the "impulse" noise from the ignition for the most part, and the noise limiter in my old Kenwood TS-430 handles that completely. The CB is only used for short range stuff offroad anyway, so it's of no consequence.
Just like you, VHF is unaffected.
What's your call, Charles. I guess you can figure out mine, lol.
Just like you, VHF is unaffected.
What's your call, Charles. I guess you can figure out mine, lol.
#14
Yea, it was the right coilpack and it didn't make the problem go away.
The noise is broadband radiated RF picked up by the antennas. Unfortunately filtering the power and quadrouple shielded coax won't make it go away. I can stand next to the truck with a portable radio on battery power that is totally not connected to the truck in any way and it picks up the noise.
The noise is broadband radiated RF picked up by the antennas. Unfortunately filtering the power and quadrouple shielded coax won't make it go away. I can stand next to the truck with a portable radio on battery power that is totally not connected to the truck in any way and it picks up the noise.
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Matt,
I realize this will not help with the noise problem, but may provide you with somethings to think about.
After testing quite a few radios (AM, Amatuer, HF and VHF); I have discovered some radios receive more RF noise than others depending upon internal filtering and what frequencies they operate on....
The VHF radio was not affected by the onboard noise, the HF radio was affected more and the Amatuer radio was affected ALOT !!!!
The radio that I am presently using is an Old Style Cobra 148 GTL which is still affected, but not near as bad as the HF or Amatuer radios....
Unfortunately the FORD vehicles are known to have RF noise problems and the manufacturer addressed this problem some years ago by installing a capacitor inline with the fuelpump on some vehicles... Mine was not one of those vehicles....
There is another noise that is generated by the ignition, but not caused by the wires and I have had no sucess in removing.... The noise increases and decreases depending upon engine load....
OR 4x4
I realize this will not help with the noise problem, but may provide you with somethings to think about.
After testing quite a few radios (AM, Amatuer, HF and VHF); I have discovered some radios receive more RF noise than others depending upon internal filtering and what frequencies they operate on....
The VHF radio was not affected by the onboard noise, the HF radio was affected more and the Amatuer radio was affected ALOT !!!!
The radio that I am presently using is an Old Style Cobra 148 GTL which is still affected, but not near as bad as the HF or Amatuer radios....
Unfortunately the FORD vehicles are known to have RF noise problems and the manufacturer addressed this problem some years ago by installing a capacitor inline with the fuelpump on some vehicles... Mine was not one of those vehicles....
There is another noise that is generated by the ignition, but not caused by the wires and I have had no sucess in removing.... The noise increases and decreases depending upon engine load....
OR 4x4
#22
Originally Posted by OffRoad 4x4
There is another noise that is generated by the ignition, but not caused by the wires and I have had no sucess in removing.... The noise increases and decreases depending upon engine load....
#23
Service Manual Information !!!
Matt,
Today I received the Factory Service Manuals that I purchased on eBay....
I was browsing thru the manual in the ignition section and to my surprise I stumbled across something that has promise.....
According to the manual there is supposed to be a Radio Ignition Interference Capacitor (PN 18801) that should be bolted to the coil pack.
The harness connector that plugs into the coil pack has a pig tail that is supposed to plug into this capacitor...
Just checked the coil pack in truck and found the pigtail is there, but NO capacitor..... The noise we both are hearing is probably generated by the lack of this capacitor...
Monday is my first day off and I will be going to Ford to purchase one....
OR 4x4
Today I received the Factory Service Manuals that I purchased on eBay....
I was browsing thru the manual in the ignition section and to my surprise I stumbled across something that has promise.....
According to the manual there is supposed to be a Radio Ignition Interference Capacitor (PN 18801) that should be bolted to the coil pack.
The harness connector that plugs into the coil pack has a pig tail that is supposed to plug into this capacitor...
Just checked the coil pack in truck and found the pigtail is there, but NO capacitor..... The noise we both are hearing is probably generated by the lack of this capacitor...
Monday is my first day off and I will be going to Ford to purchase one....
OR 4x4
#24
I know exactly the part you speak of. There is a big connector on mine that is large enough to hold a small capacitor. Not sure if there is one in it or not. I suppose a good experiment could be putting a big **** capacitor inline and see what happens. I have to work tommorow, could be something for me to try in the evening or on tuesday when I'm off.