Try the battery, cables and connections.
Disconnect and reconnect the t/body connector.

 

I have a new voltage regulator I will install this weekend. I do not believe this is the problem but will try it to eliminate.

 

everytime I have seen this its either vacuum or low voltage due to alternator/wires/battery

Most of the time you never need to replace the alternator itself btw, its typically the voltage regulator which is a 20 minute easy fix.

 

Ya man, I saw your thread on replacing the VR without removing the alternator. I'll try it this weekend and report back.

 

Arg! I got the cover off of the back without removing the alternator. Looks like the voltage regulator I bought only fits the Bosch and not the Valeo alternator.

Sorry guys, Jake if you know the # for the Valeao V.R. I'll give it a try....

 

Just got the car back from the dealership and they basically told me Im crazy and the car is fine. They replaced the AC compressor and the car is the same as it was when i dropped it off. Hopefully you can get some results to post back with the alternator.

 

mine has been smoked
fresh batt
3k on a chrysler alternator
good wire
good clean, no-oxed batt connections
clean connectors
nc

 

AND................... Do your RPM's still fluctuate? Or do they remain constant?

 

I've also notice that my headlights noticeably dim if I use my power windows, and I have a new alternator that only has about 7,000 miles on it.

 

up and down
died once w wife in car
kinda surges also

 

nc is used to mean no change to me
old shorthand

 

I know its getting colder out, but has anyone ever come to a conclusion with this?

 

my problem was leaky gaskets w the phenolic spacers
didnt show w smoke test
clearly present w pressure
removed the spacers, put on new gaskets
also the boots between the manifold and lower y pipe and between the sc and the y pipe
werent seated well by the dealer after warranty work
after removing spacers we aligned them well
voila, runs well again

 

mine just started doing this a couple of weeks ago. looks like I will have to get some gaskets from needswings. I'm just about to install the 65mm pulley today and the last thing i want is leaks!

 

Just started to happen. Car idles perfectly, however when I engae the AC the idle rpm fluctuate. Seems to be ok once the car is completly warmed. Had chck enging light come on once...the obd code said intermittent throttle body failure. Reset the obd and haven't had the light come on again. Car runs perfectly, smooth, good power etc...just this crazy fluctuationw when AC is on, mainly when car is not fully warmed.

Advice greatly appreciated, I really don't want to throw money at a new throttle body
especially with nthe car running so smoothly.

 

Grip Grip, I'm another car with the idle problem with the a/c on. It idles up and down about 200 rpms and surges a little. I saw where your trying the sl55 intakes. It seems alot of people have this problem. What is the common denominator?

 

You've got me. However, installing the S55 intake eliminated the surge for me, but your results may vary.

 

sounds like there was a leak, and you fixed it when you installed the 55 intake... doesn't take much glad it working either way.... when faced with these kind of problems, usually taking things down to bare bones and re-install works... For all of you having this problem, throttle bodies have known to leak a little around the base...take TB off and inspect, re-install, hoses become lose, pull hoses re-install, and check the tightness by re-torquing your intake manifolds as they will loosen up over time. Just a few things I have had happen to me.

 

No offense Doc, but I'd like to think with my experience in mechanics and education in engineering I'd be able to properly tighten a c-clamp. I'd prefer not be portrayed as a bumping fool.

There is probably something else at work here that none of us realize, but I'm not pointing fingers at NW. By the way, the manifolds were not reseated during the installation of the S55 intake.

My personal suspicion is that the hose I installed to the NW was too long and may have caused the issue. The S55 hose to the intake is less than a foot long.

Others may have used a shorter hose and didn't have the problem surface.

 

is tightening the c clamp sorta like tightening a 10 ft/lb bolt in a mani?