Golf IV / Jetta IV :: Intermittent AC - Compressor Would Engage Then Disengage
I have an 02' 2.0 Jetta Wagon, and the A/C is having some issues. Since I know close to nothing about A/C systems, I took it in to a few places to have it looked at. I've had the whole system Evac'd and recharged, and have had the low pressure fitting replaced (apparently there was a slight leak there), and the system is still not working.
The A/C worked fine when I first purchased the car a few months ago. Shortly after my 800 mile trek from Oregon, back to home, the A/C started to only work intermittently. The compressor would engage, then disengage, repeat...It seemed like a bad idea to keep trying to use it in its sad state so I stopped using it altogether. As I said, I had the system emptied and recharged, but it still only works intermittently. It sort of follows a pattern where upon start up it works longer, and switches on and off at shorter intervals, until it doesn't engage at all.
There are no strange noises from the compressor, and when it was hooked up to the machine, it proved to be performing its function well.
Golf IV / Jetta IV :: 2003 - Compressor Does Not Engage, Fans Do Not Come On
Compressor does not engage, and my fans do not come on when I turn on the A/C. They do come on low speed when I jumper pins 1 and 2 on the temp switch plug, but they do not come on high speed when I jumper pins 2 and 3.
I have replaced the FCM with a new one, as well as a guaranteed working used one; neither one changed anything. I assumed right away that it was the fcm because my original one has a hole eaten through it from battery acid.
Compressor clutch ohms out within spec, and it will engage if jumpered.
Golf IV / Jetta IV :: 2002 - A/C Not Working - Compressor Won't Engage
I have a 2002 Jetta 1.8t and the A/c doesn't work. I took a look and I know that the clutch/compressor does not engage. also, the rad fans do not turn on when I have the AC on in the car. all I get is hot air. I tested the line and there is no freon in them whatsoever. which is why the compressor is off. however, I can't add any freon without it working. I checked the fuses on the side of my dash and on top of the battery as they seem to be ok. Also, I was told that I just need to replace the compressor with a new one and I should be good to go. Is this true? It will be an easy fix if it is.
View 13 RepliesGolf IV / Jetta IV :: 2003 - AC Compressor Clutch Won't Engage - Low Voltage?
I got a 2003 GTI 1.8t and the AC air is blowing warm. With the car on, AC on and fans full blast both rad fans turn on but compressor clutch does not engage. Took it to a shop and the mechanic said the system was full of refrigerant but that the compressor was not getting the proper signal and there was an electrical problem.
I check the power at the compressor and it is reading about 7 volts, which is low correct? That should be getting 12-13 volts correct? I also check the pressure switch over by the passenger side and it was getting 13v. What to check next to start ruling out causes? Any quick way to determine whether this is electrical or a compressor issue? I am limited in my abilities as far as electrical work goes.
Golf IV / Jetta IV :: Hard Time Starting / Engine Turned Over But Wouldn't Fire
2003 1.8t gti ... Today when I got in my car...it fired up perfectly normal but when I got in it from leaving school it took 5min to fire up. The engine turned over but wouldn't fire all the time as if the spark plugs were bad. So I bought new NGK spark plugs and had the same issue just a little bit ago.
I know the obvious thing would be to change the ignition coils but they're out of stock everywhere so I have to have them shipped. My question is is the ignition coils the problem? They looked a bit worn but nothing serious.
Golf IV / Jetta IV :: 2002 - Engine Works At 1100 RPM Whether Cold Or Warm All The Time
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
P1545 - 35-10 - - - Intermittent
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!!!
Golf IV / Jetta IV :: Car Wouldn't Run 10 Psi Of Boost After Stop
I was riding along today everything running fine then I came to a stop sign and when I pulled off my car wouldn't run 10 psi of boost it was only running 5 psi so I when to a buddys checked everything over and all my piping looked fine so I went up the road and everything was fine so when I started going home it did the same thing pulled of shut the car off pulled off and it was fine again.
View 5 RepliesGolf IV / Jetta IV :: 04 - Tranny Wouldn't Shift Out Of First Gear
Okay so I bought this car and a week later tranny wouldn't shift out of first when I would slow down or at least it would take a min. I would hit 4or 5 grand then it would jolt me back. It wouldn't do it every time though. I bought it to go to college drove it the 900 miles on the highway and had no problems except right before I left town but then fine. All I did was change the tranny fluid before I left which I can confidently say I don't think has been changed before that. stunk bad bud no metal.
Alright now I'll go jump in the car to go to class and it will not leave first. If I put it in the manual mode it thinks it's in third but clearly if in doing 15 mph at 4000 rpm that's not the case. It doesn't do it every time. Kinda hit or miss. After driving for a min it usually shifts. Sometimes I make it the two miles without it shifting though. Also sometimes It will shift but once I slow down it won't shift out of first again.
I have seen a code for torque management since I bought the car. The check engine light is on now but I haven't seen the torque code since I change the MassES. that's not to say it's not still there. I used a different handheld computer for the check engine light the last time I did it and I could have missed it because I was unfamiliar with it. I have put a mass airflow sensor, battery, alternator, and changed the tranny fluid since I have owned the car. drained 3L of tranny fluid and put 3L back in. Oh and the last time I checked the light it said lean in bank 1 but I was assuming that was an unrelated issue.
Golf IV / Jetta IV :: 2003 - Take A While To Start And Wouldn't Rev Over 3k RPM While Driving
Just as I was talking up my 03 jetta with 250,000 miles to a buddy, it developed a problem. It started to take a while to start, and wouldn't rev over 3000 while driving. (like all the other posts, would just die at 3k). So, I installed new Crank and Cam position sensors. Started up...a little stumble...running. Take it for a drive and able to rev over 3k rpm. Now it just spits, sputters, dies, stumbles.....push in clutch, engine dies....???? I know i will have to probably take it to VW for them to check it out....
View 6 RepliesGolf IV / Jetta IV :: Occasional Huge Thud Sound From Time To Time When Put Into Two Certain Gears
So I'm also noticing my car occasionally makes a huge thud sound from time to time when I put it into two certain gears. From park to reverse it's not loud but there's a little noise, but from any gear into Drive it's sometimes a loud boom and the car shakes. My pops mentioned to me this is dangerous because of how the engine is moving underneath the hood when it happens. I just recently changed the dog bone mount, could it be the others? I'm ware that it's wise to change all 3 if you change one but I was on a budget & it was a lot worse before. Someone mentioned it might be my torque converter but I did some research & the two symptoms don't add up. And I'll add once more that this happens occasionally & not every time I switch to a different gear. What it may be?
View 11 RepliesGolf IV / Jetta IV :: Cruise Control Light Came On And Wouldn't Turn Off
I was driving today and my cruise control light came on and wouldn't turn off. i vagcom'd the car and a code came up which was:
Cruise control switch (E45): Implausable signal
P1569 - 35 - 10 ---- Intermittent
I tried clearing it but it would but the light remains on. I noticed that when i hit the RES button on the stalk, the light goes away and when that when I scanned the car and held the RES button the code would come back. My cruise control also stopped working.
Golf IV / Jetta IV :: 2002 - Wouldn't Start Sometimes - Buzzing Relay?
My wife drives a 2002 Golf 2.0L with about 214k on it at the moment. It runs really well and I'd like to keep it that way. Last week she told me that the car wouldn't start sometimes and that she would hear a buzzing noise when she turned the key. If she turned the key off and then on again the car would start. The problem was occurring more consistently as time went by and sometimes she would have to try to start the car four or five times.
I took a look at the car and her description was correct. The 53 relay under the dash was buzzing once the clutch was depressed and the key was turned, but the car wouldn't start. I took out the relay and put it back in and the car started fine. I swapped it with the other 53 relay in the panel (dual horns), and started the car a bunch of time with no problem. Then I gave the car back to her to drive to work. Everything was fine for a while.But now the problem is starting to return.
Golf IV / Jetta IV :: AC Only Works When Car Is Idling
We have a 2001 Jetta 2.0L with 170000 miles. The AC had been getting weaker, but now it only works when the car is idling. Which seems really odd???
Started car, after being parked for a while, and the temp was 73F at the dash vent. I figured it would get colder going down the road, but it got up to 90F at the vent. Returned home and let the car idle for a while and the dash temp went down to 80F. Went for another drive and it immediately raised to 90F.
The compressor clutch was engaged and spinning, but the larger metal line at the firewall didn't seem very cold. The smaller line was warm as expected. I added some R134a, but no change at the lines or in the car. We have had issues with the blend flapper and replaced the broken plastic part. You can hear the flapper slap when you rotate the dial from hot to cool, so it seems like it's working.
Could it be the compressor? I think it was only generating 150psi on the high pressure side during idle, but it would go up to 200-225psi when I revved the motor.
Replaced the valve body solenoids, increased pressure to clutch packs 8 clicks, added pentosin, cleared engine light, and the tranny is working perfectly.
Ford F-150 (2004-2008) :: Intermittent 4wd - Sometimes It Would Engage And Other Times It Wouldn't
For the last little while I have been having an issue with the 4wd in my 2006 F-150 with about 93k on the clock. Sometimes it would engage when I switched to 4H/4L and other times it wouldn't. A friend of mine works at a Ford dealership and said it could be the vacuum solenoid on the firewall going bad. So I bought a new one and as I removed the old one, noticed debris in one of the inlets. So I cleaned that out and neither old or new solved the problem. Then I went through ALL of the vacuum lines and found some debris in parts of them....
Cleaned them all out and still nothing. Then I got to thinking it may be the ESOF motor on the transfer case. Checked to make sure there was power to the plug, which there was. Removed the motor and turned switch, and the motor seemed to be working. Reattached the motor and the 4wd would engage/disengage without problem. Pretty much everywhere I went I would check it and it worked fine . Then all of a sudden it didn't . So I took the motor off, turned selector and it worked fine. No issues yesterday at all.
So, I am not sure if it is the motor going bad or not. Could there be a contact problem? I talked to a mechanic this morning and he told me to drive around with it in 4H for a while because more times than not it doesn't get used enough. I'm just not sure what could be going on...am I missing something?
Golf IV / Jetta IV :: Only Passenger Side Fan Works
I just recently got a 2001 1.8t jetta. It was leaking coolant and only one fan would come on. Ive fixed the coolant leak. Only the passenger side fan comes on, and the AC blows hot as well. Ive checked the fuses on the battery and they are good.
View 3 RepliesGolf IV / Jetta IV :: Gears One And Two Won't Engage
MKIV jetta GLI, first two gears just won't engages as if it's still in neutral. Have to start her moving from 3rd. What could be the issue?
View 14 RepliesGTI 337/20th Anniversary :: Transmission Wouldn't Engage At All When Tried To Throw It Back Into Gear
The other day my transmission was driving fine, until I stopped to let someone out. When I tried to throw it back into gear, it wouldn't engage at all, just had a slight grind almost like the sound of a chain coming off a bike (so I pushed back in the clutch and parked it). I haven't been having any issues with it nor have I been driving it hard.
View 2 RepliesGolf IV / Jetta IV :: AC Compressor Won't Kick On At All - 1.8t
AC compressor won't kick on at all. I know the system doesn't have much refrigerant (just replaced the line that runs from the expansion valve to the bottom of the drier, the drier itself, and the condenser)..
Evacuated the entire system with a pump. Tried putting refrigerant in and the pressure on the gauge goes up immediately into the yellow/red...jumped the connector on the high pressure switch and the fans came on, shouldn't the compressor kick on too?
Checked the 14 pin connector on the fcm for 12V...PIN number 8 is barely seeing any power which leads to no power getting to the compressor...
Golf IV / Jetta IV :: AC Compressor Not Turning On
The dealer diagnosed my a/c as needing a new compressor and clutch. I had an a/c specialty shop install a remanufactured compressor and clutch. however, they could not get the compressor to kick on. I checked all fuses (all are good).
I checked the compressor continuity (good, 0 ohms). I checked the plug where the compressor clutch plugs in (it reads 12 volts). the funny thing is, it reads 12 volts anytime the engine is running (even if the climatroinc is turned off). I am definitely not an a/c expert and really don't know how this stuff works.