Golf IV / Jetta IV :: 2002 1.8T - Shifting Out Of Time / Revs When Changing Gears
Feb 16, 2015
Got a 02 Jetta 1.8T 5spd auto tiptronic with 100k miles. Having issues with shifting. Trying to determine if its electronic or mechanical. Had a short in solenoid 10 N283 which melted the TCM. Put in a used N283 to see if the trans is still ok mechanically. Plan is if its ok to put new fluids and solenoid pack. What do the experts think does is need a full rebuild or will new electronics do the job?
After putting the used N283 solenoid the trans works but not correct. The problem is in the shifting only. Feels like its out of time. When you start moving from a stopped position from 1st to 2nd the car takes off good but when changing gears it reves and feels like its slipping then it hits hard into 2nd. Then 2nd-3rd is a fast shift and not hard. 3rd-4th slips and revs a little then changes gears 4th-5th is fine. all down shifts are fine. Does not mater if the car is hot or cold its the same.
If I disconnect the MAF 1st to 2nd shifts fine with no problems. 2nd-3rd little rough but not bad. Problem with disconnected MAF when going in Drive at 30-40mph all of a sudden it jumped into 1st gear and felt like I was slamming on the brakes.
With the MAF connected and I shift manually in tiptronic mode each gear runs real good with no slipping at all. But same problem happens when switching gears. I can drive it smooth if i accelerate to 3000 rpm and then left off the gas a little and it shifts fine.. Same with the other gears.
I got a used TCM to rule that out and the problem is close to the same. It tries to shift at lower rpm but still does about the same problem. I did recently had a MAF go out. Put in a new bosch and no change. Did my VCDS scan and only codes I get is "17840 secondary air". I can get operational data on some solenoids but not sure what parameters to look for.
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I have a 2005 2.5 vw jetta.
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Now i have the car not shifting correctly ....theres a delay when shifting in all gears but it is intermittent, sometimes it shifts hard and sometimes you can just baby the throttle and it wont shift as hard.....once on the freeway the car runs fine......but when coming to a stop you can feel the downshifting.....
I figured it has something to do with the valve body....my concern is the dealerships have quoted me 2000$ to replace the valve-body....the cars paid for and was wondering if i should just move onto a different jetta or fix this one?
If i fix the valve body will this jetta have the same issue later? Also i do have the vacuum pump leaking engine oil....not much can this be fixed while doing the valve body job???
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My car will not leave first gear until the car reaches 60 x 100 revs 9 has heated up. After leaving first gear it shifts smoothly so I doubt its the transmission fluid, plus it's over 14 thousand miles and I was told not to change the fluid for the transmission. I think it could be a bad solenoid because when I bought the car the dealership wouldn't let me take it home until they installed a new one or else "it wouldn't leave first gear" if so witch solenoid would that be so I could replace it.
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It will even slightly make the noise when accelerating in second gear right after shifting. (This is occasional) When I come to a complete stop and turn the wheel side to side ot will make the sound for a couple of turns and then go away. I have tried rocking the car and pushing down on it to replicate the sound. No luck. I lubricated various bushings and parts with silicon. It seemed to fix it but it only lasted for a few hours. (This could've been coincidental) It doesn't make the sound 100% of the time though. Probably at least 90% though when coming to a stop and going. It seems as the environmental factors (Temp and humidity) have a small effect on the creaking. I have a neuspeed 25mm front swaybar with endlinks.
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I have Golf MK4 1.6 16V BCB '02 and problem while engine is running on idle. Engine works at 1100 rpm (doesn't matter is it cold or warm engine) all the time.
Dashboard turns CHECK ENGINE and EPC lamps and says : "engine workshop". At the beggining of problem VAG-COM diagnostic found this error:
17953 - Throttle Valve Controller: Malfunction
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But after I've changed my old throttle body with new one VAG-COM diagnostic haven't reported any error (no permanent error) and idle issue stays.
While engine is running and Check engine and EPC lapms are turned on diagnostic reports this error:
17961 Barometric/Manifold pressure signals: Implausible Correlation
P1553-35-10 ----Intermittent
After engine is turned off diagnostic doesn't report any error!
Beside of changing throttle body, I've changed ECM, MAP sensor, temperature sensor, EGR valve, . Also checked intake manifold and hoses if is it leaky (doesn't leak anywhere), and timing belt is ok and checked complete wiring installation!!!
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Shifting especially at high revs. The noise also seems to happen when shifting to gears 2,3 and 4; not so much 5 & 6. What is the cause?
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I'm I just purchased a SC430 2002, car make a clicking noise when shifting gears. Example when I turn my car on and shift from Park to Reverse I hear a clicking noise and then when I go from Reverse to Drive it makes a clicking noise. Sometimes it just goes away. Is it a transmission issue or if this is a common sound.
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So I have a 2002 Kia Spectra. I know the IAC has needed replaced for a while but It hasn't really been a n issue at all until today.
So last night my car's transmission started to kick when shifting gears. Mostly between first and second but at other gears sometimes as well. This morning it was still kicking and I figured my transmission was going out.
However when stopped at a stop light I noticed that my car was idling rough. So I turned it off and tried to turn it back on and it wouldn't start. At least not for about 10-15 minutes. So I was wondering if the IAC could be causing the transmission to shift rough at all?
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After a round of extensive maintenance this month, I thought my '02 was once again a road-ready betty. Just my luck! On the drive home from the shop Friday afternoon, I noticed a hard shift when upshifting from 2nd to 3rd. I've done some test driving over the last couple of days, and here's what I've noticed:
1) If I apply too much gas, I intermittently get a little bump—very subtle—when it kicks into first gear from a running stop. The car seems to engage fine at start.2) If I apply too much gas approaching 30MPH in 2nd gear, where I think it would normally shift into 3rd, the transmission upshifts late and hard. The more gas I apply, the harder the shift.3) Once, when gunning it at highway speeds, I got a little bump shifting into a cruising gear at around 70MPH.
I'm able to completely eliminate this problem if I am prudent with the accelerator. If I back off the gas before the tachometer hits 3000RPMs and wait a few seconds before accelerating again, the transmission shifts smoothly. I have not noticed any issues with coasting or downshifting.
I've had this car for a decade and 146K miles and it's driven like a dream every day until this symptom presented on Friday. I don't remember the last time the transmission fluid was changed, but I've never missed a scheduled service and I always use Honda dealer shops. I checked the fluid yesterday, and I think the colour (winey red) and odor (sweet) were both good. The car had been driven recently, and the level on the dipstick was higher than the second dot.
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