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Dodge Dakota, Truck
#4039 of 4362 Down and out on dodge dakota in Alabama
Feb 07, 2006 (5:57 pm)
I purchased a 1995 Dakota extended cab truck third owner
since bought new. after two months of daily driving I heard
a clicking noise coming from engine,but the noise did not
sound deep into engine.so I tore down front of engine to
timing chain found that the upper bolt in cam shaft which,
holds upper timimg pulley on shaft was loose.I replaced both upper and lower timing pulleys.Also replaced tensioner
also.put back together and drove for two more months without any trouble. I traded it to a friend of mine for
a full size chevy Z71.To cut to the chase since my friend
has had the truck this problem has happened twice.The last time I tore down the truck for the third time,I replaced the bolt rethreaded shaft and used red thread locker and
also used a lock washer.Problem is still happening seems
as if it wont go away.If any one has had simular problems
please HELP!!! I do not wish to end my friendship with this guy over a truck I offered to trade back but he wont
have it.Down and out!!
#4040 of 4362 Re: 4.7L Ignition Noise
Feb 08, 2006 (3:20 pm)
Yes, I have used dielectric grease on the coil boots. Also, the noise is a crackling sound, not a whining sound. When the weather warms up again, I'll check the engine grounds. It is an intermittent sound. This morning, it didn't do it. Also, when it does do it, it sounds aperiodic. So, it doesn't appear to happen everytime a particular coil/plug fires.
#4041 of 4362 Re: 4.7L Ignition Noise [sunburn]
Feb 08, 2006 (4:04 pm)
I'm assuming from your previous post that you hadn't noticed this noise before you changed the plugs. What is the mileage on your truck?
I agree with bpeebles about the grounding system but could still be a coil or plug, most likely a coil if that is where the problem is. A coil, if arcing intermittently, wouldn't be noticable as a dead miss in one cylinder would. Look at the engine running after dark and see if you can see any arcing. Also pull the plugs and examine them carefully and see if you see any evidence one of them is misfiring.
#4042 of 4362 Re: Vibrations with 05 Dodge Dakotas [dickb1]
Feb 08, 2006 (6:29 pm)
I have the same problem and Bro, I don't know about you but, I didn't pay for a new vehicle that shakes and wobbles! I am EXTREMELY P.O'ed.!!! I am being told that I can claim the Lemon Law which I am strongly considering unless, thay come up with a solution. The bad thing is that they have to log a certain number of complaints before they will do something about it!
#4043 of 4362 Re: 4.7L Ignition Noise [jneal]
Feb 08, 2006 (7:30 pm)
After re-reading your posts, I am thinking that one of your coils may be arcing around the base near the sparkplug.
Also, perhaps the shape of the insulators on your new sparkplugs is not "sealing well" on the ends of the coils.
Pull each of the coils off and look for carbon-traces. Perhaps even hand-fit one of the sparkplugs to a coil to see how well the seal fits.
Thoroughly wipe clean the plug insulators and coils with IPA (IsoPropal Alchoal) incase there is some kind of conductive coating you cannot see.
#4044 of 4362 Re: 4.7L Ignition Noise [bpeebles]
Feb 09, 2006 (11:10 am)
Bpeebles, I haven't had any experience with this type of ignition system until I bought 06 Dak. Perhaps I am still stuck in the old days but don't really like the coil on plug system.
Has there been much of an issue with arcing/misifring etc?
Haven't noticed many problems posted on the forums but really curious about the system.
What has been your experience with this type ignition?
DustyK, You can weigh in on this question also.
#4045 of 4362 power window died x 2
Feb 09, 2006 (3:54 pm)
I now have 2 of my 4 power windows on my quad cab quit. It turns out there is a little plastic piece that has broken. The dealer says that I need the entire window regulator assembly at over $300 each. Any suggestions on alternatives.
I've heard of this problem before from my mechanic and I really don't want to go to a wrecker when I'm not sure of how much life will be left in the part.
#4046 of 4362 Re: 4.7L Ignition Noise [jneal]
Feb 09, 2006 (6:45 pm)
I have been following the 4.7L engine since it was first introduced on the 1999 Jeep Grand Cherokee. I have a 2000 Dak that is the very first year the Dak had the 4.7L.
The COP (Coil On Plug) system on the 4.7L has been VERY reliable. Yours is the very first time I have heard of any issues at all. (And I am still not convinced that yours is an issue with COP system)
This technology is another step in the evilution of the ignition system. (I used to change points and condensers!!)
The COP system eliminates another weear-item from the ignition system (High-voltage ignition wires). It also allows the onboard computer to INDIVIDUALLY CONTROL the spark timing of each cylinder. Sparkplugs last about 50,000 miles too.
You may not realize that the 3.7L v6 is just the 4.7L with 2 cylinders lopped off. This means that the same design of COP is used across the DC (Damlier Chrysler) line of automobiles.
Most other automakers also use a COP ignition system.
Your concerns remind me of a guy I knew that purchased a "special edition" Chevy Camaro back in the 80s with fuel-injection (before fuel-injection was widely used) Although he had no problems with it, he stripped off all the fuel-injection and installed a carberator..... about 5,000 miles later, the engine siezed up! (He had it tuned too lean)
If you look back further in automotive history, People were also skeptical of electric starters, automatic chokes and many other technologal changes. (Yes, I know people that replaced automatic chokes with a manual one...but I was not around when electric starters were introduced)
#4047 of 4362 Re: 4.7L Ignition Noise [bpeebles]
Feb 10, 2006 (12:02 am)
Thanks for the reply,bpeebles. Perhaps I should have phrased my concerns a bit differently than saying I don't like the COP system. More like being skeptical of things that you have had no experience with.
I see where this system would be better than previous ignition systems, especially since I too came up in the points/condenser days.
I knew I had seen very few problems on any of the forums dealing with this system so was looking for your input as I know you are very knowledgeable about automotive technology.
Thanks for the reply,
#4048 of 4362 Re: 4.7L Ignition Noise [bpeebles]
Feb 10, 2006 (6:37 am)
Bruce, and how about drivers who haven't as yet accepted automatic transmissions?