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Just FYI, using the recirc function offers virtually no fuel economy advantage. Your "good reason" is based on some incorrect assumptions. Your comparison with home-based AC units assumes that there is a comparable power savings associated with the automotive AC unit.
While I'm not suggesting you alter your use of the recirc button, I thought you might like to know that the AC compressor (which can rob your engine of power) runs whenever the AC is turned on - independently of the position of the "recirc/fresh" button.
Unlike a home AC unit, whose operation is controlled by a thermostat (and air is always recirculated from within the home), temperature control in an automobile is controlled by mixing hot air from the heater core with cool air that passes through the AC evaporator fins, not by activating/deactivating the compressor. Recirc, however, is very useful for maximizing the efficiency of the heater/AC because it can intake air that is more similar in temperature to the desired temp.
So, you may think you're saving gas, but in reality there is negligible difference.
Dean-
Thanks, I was looking under the "Parts and Accesories" section and the frame on right had that message.
I recently replaced the stock belt-driven fan with an electric fan. The electric fan has a circuit that taps into the AC compressor activation lead, so that when the AC is on, the fan turns on with it.
Since installing the fan, I've noticed that it never shuts off (cycles on/off) when the AC is on. Perhaps it has something to do with ambient air temperature... I'll have to experiment when the weather is cooler (< 60F)
At any rate, the difference in fuel economy on the Pathfinder (esp. the 3.5L) would be negligible for recirc vs fresh, even if the compressor does cycle on/off. You're more likely to see a bigger improvement by reducing your freeway cruising speed by 5 mph.
Sometimes (about 1/2 the time) when I release the gas pedal (gradually) to brake, the car stutters when I release the gas pedal.
Lastly, sometimes when I am in Park, then go to reverse it is harsh on the driveline.
All 3 of these are on my 02 SE. Anyone have any suggestions for these things?
Stuttering at 1/2 throttle - is the engine actually stuttering or does it feel more like engine braking is taking effect?
Park to Reverse - Does it give you whiplash? If not, it's normal.
It sounds like most of the things you're describing can be partially contributed to low engine/transmission temps. The transmission sometimes doesn't shift "smoothly" until it's fully warmed up. Add to that the fact that the engine revs higher when cold, and you'll get a more defined shift between P and R. In most cases, the transmission takes much longer to warm up than the engine does.
You still getting a good workout from your steering wheel when braking?
The stuttering that I mentioned is about 1/2 - 1/3 of the time after I release the gas pedal fully. Not when I am applying throttle.
Park to reverse, no whiplash, but still rather harsh. The engine is warmed up I know, but the transmission probably is not. However, even after driving for 20 minutes sometimes when I go to shift into reverse or something else it does clunk and is rather loud.
For engine temp, I go by the gauge. In the morning it is always down at the lowest reading, but I take it very easy until it warms up. If I am out running errands, the engine and transmission should both be warm after a stop of only 15 min or so. Still does it sometimes.
What it boils down to is there is significant friction when changing from park->reverse->drive, but besides that it also seems harsh on the rest of the driveline. And low speed gear switching (when no throttle is being applied) also is rather harsh.
The steering is fine now, thanks :-)
The PF just rides so much better than Xterra, 4Runner, etc., which have a body-on-frame trucklike suspension. I suppose if you're used to driving a Lexus sedan or something, the PF might seem rough. Otherwise, something was amiss, such as tire pressure.
Does anybody know whether there might be rubbing, rim offset, or other problems with this type of swap?
15 inch rims have several advantages, including better off-road ride and wheel protection, more tire options, less expensive tire options, and better looks (a matter of opinion, I know).
I'm concerned about rubbing with 255/70 16's?
The stock tires are 255/65 16's, but I am looking at the Cross Terrian's by Michilen and I can't seem to find them in that size.
Sears had the Cross Terrains in 255/65/16 advertised in Sunday's paper too. I think they were $158/tire.
gritz
Thanks
Tony
if you read japanese, it says they no longer make terrano/regulus.
"Production of the tera- no * tera- no leg lath ended. Because becomes only stock sale, as for details please inquire at the nearby dealership"
I think the Pathfinder is either on the way out or ready for a major redesign. I wonder why they stop production so early in the model-year. Could we get a new model as a 2003.5 like they did in 1995.
I'm shopping for a Pahtfinder (amongst other cars) and the Nissan dealers are very easy to bring the prices down and the financing is very low. This must be a sign.
World
I hope Automobile(July, p.22) is right.
with no problems. But I use only high quality cd's like Maxell or Sony. I also do not put any type of stickers on the cd.