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Volkswagen Jetta Maintenance and Repair

6254 messages,  Last post on Nov 28, 2009 at 4:52 PM

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What is this discussion about? Volkswagen Jetta, Sedan

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#5909 of 6254 2000 2.0L VW Jetta Heater no longer getting hot? by pbc Dec 21, 2008 (7:58 am)
Hello,   My wife has a 2000 VW Jetta with about 140,000KM on it. Recently, the heater doesn't seem to get hot at all. Sometimes it does (very rarely), but for the most part it just gets luke warm.   I understand this could be the cause of the thermostat not opening? Is this something that is easy to replace on these cars (seems nothing is!).   Could there be another issue?   Thanks!   Steve Replies to this message: bpeebles (Dec 21, 2008 5:43 pm) cosmo (Dec 21, 2008 6:39 pm)
#5910 of 6254 Re: 2000 2.0L VW Jetta Heater no longer getting hot? [pbc] by bpeebles Dec 21, 2008 (5:43 pm)
Replying to: pbc (Dec 21, 2008 7:58 am) What is the temparture guage telling you? If it says that the engine is up to operating temp... then the problem is likely NOT the thermostat.
#5911 of 6254 Re: 2000 2.0L VW Jetta Heater no longer getting hot? [pbc] by cosmo Dec 21, 2008 (6:39 pm)
Replying to: pbc (Dec 21, 2008 7:58 am) An easy way to diagnose a faulty thermostat is to drive up a long hill and then coast down a long hill. If the temp gauge approaches or reaches normal operating temperature going uphill, then drops coasting down hill, the thermostat is very likely stuck in the open position. An alternative method during winter is to drive the car with the heater off until the temp gauge reads normal, then turn the heater up to the max. If the temp gauge drops, the thermostat is probably stuck in the open position.
#5912 of 6254 2002 VW Jetta Temp Guage Maxed and no heat by edgekrusher187 Dec 22, 2008 (11:21 am)
On my way into work this morning the temp gauge on my Jetta hit the max, and there was suddenly no heat coming from the heating vents. I did notice that the gauge would drop when going down a hill or sitting at a light. Any one have any ideas? It's almost -10 degrees outside and a long way for me to drive. I don't want to blow up my engine, but at the same time I have no alternate way to get to work. Thanks for any help. Replies to this message: bpeebles (Dec 23, 2008 7:10 pm)
#5913 of 6254 Re: 2002 VW Jetta Temp Guage Maxed and no heat [edgekrusher187] by bpeebles Dec 23, 2008 (7:10 pm)
Replying to: edgekrusher187 (Dec 22, 2008 11:21 am) I assume that your coolant-level is correct in the resivour.   From your description of the symptoms... it sounds as if you have one or more of the following; 1)Ice in the cooling system blocking coolant flow (highly unlikely) 2)Waterpump which is not moving the coolant as it should. (known to happen with the plastic waterpump impeller) 3)Thermostat which is acting up (Not likely because you were getting NO HEAT when the guage was at max) 4) Guage wrong (Again ...Not likely because you were getting NO HEAT when the guage was at max)
#5914 of 6254 99 V.W. Jetta (defrosters rear) not working by hvaldez Dec 28, 2008 (7:51 pm)
Hello. I'm new to the V.W. family. I have a 1999 Jetta III and the rear defrosters do not work. Is there a fuse or a sensor that I need to check?? Thanks. Helen Replies to this message: Mr_Shiftright (Dec 29, 2008 8:04 am) hvaldez (Dec 29, 2008 8:18 pm)
#5915 of 6254 Re: 99 V.W. Jetta (defrosters rear) not working [hvaldez] by Mr_Shiftright HOST Dec 29, 2008 (8:04 am)
Replying to: hvaldez (Dec 28, 2008 7:51 pm) Hi Helen,   Yes it's #9 fuse in the fuse panel, a 20 amp. Replies to this message: hvaldez (Dec 29, 2008 8:18 pm)
#5916 of 6254 Re: 99 V.W. Jetta (defrosters rear) not working [Mr_Shiftright] by hvaldez Dec 29, 2008 (8:18 pm)
Replying to: Mr_Shiftright (Dec 29, 2008 8:04 am) Thanks Mr. Shiftright for going out of your way and telling me the fuse panel and the amp #20. God Bless you!! Helen
#5917 of 6254 2002 Jetta 1.8 T front cigarette lighter not working by brooklyntech Dec 30, 2008 (5:43 pm)
I need the lighter to connect a radar detector but it does not work. That's funny because the one on the trunk works fine. Does anybody have any ideas why this is? Replies to this message: Mr_Shiftright (Dec 30, 2008 6:22 pm)
#5918 of 6254 Re: 2002 Jetta 1.8 T front cigarette lighter not working [brooklyntech] by Mr_Shiftright HOST Dec 30, 2008 (6:22 pm)
Replying to: brooklyntech (Dec 30, 2008 5:43 pm) Sometimes its a fuse problem but very often what happens is that people use this socket for various accessories, some of them not such expensive gadgets, and the plug in on these gadgets doesn't quite fit the receptacle in the car. So things get stuck, people start yanking, and before you know it, the wire behind the socket has pulled out, behind the dashboard.

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