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Volkswagen Jetta Engine Questions

262 messages,  Last post on Nov 04, 2009 at 6:55 PM

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#203 of 262 98 Jetta throttle stuck when put in gear. by ldruth May 16, 2008 (9:01 pm)
My car starts fine, idles fine. But, when I put it into gear it takes off without touching the gas pedal. Disconnected the Throttle Postion Sensor connector and the problem is gone, other then it idles to low. Also, My engine light came on, is there a way to make it go off, besides disconnecting the battery? Manual says I have to reset my "basic setting" with a VAG1551 Scan Tool. Where do I get one?
#204 of 262 Re: Jetta 4 2.0 Timing Belt and other questions [asifgrkhan] by jeffyscott May 18, 2008 (3:03 am)
Replying to: asifgrkhan (May 16, 2008 12:45 pm) On #2, did you check if maybe it is just a loose heat shield?
#205 of 262 Re: Jetta 4 2.0 Timing Belt and other questions [asifgrkhan] by 600kgolfgt May 18, 2008 (12:13 pm)
Replying to: asifgrkhan (May 16, 2008 12:45 pm) 1) If there is no record of the timing belt being changed - assume it hasn't been changed. I would purchase a timing belt kit from germanautoparts.com and have a private mechanic perform the installation. It will save you hundreds $$$ over what the dealer will charge you. Here's the link for the timing belt kit for your 2000 MkIV Jetta:   http://germanautoparts.com/Volkswagen/Jetta/Engine/290/6   The price for the kit w/o thermostat is $119. The price with the thermostat is $159 (I would get the kit with the thermostat). Prices do not include shipping. I would call or e-mail germanautoparts.com for exact shipping charges.   I've been using them for years (as a long time VW owner), and they're well known in VW enthusiast circles (known as the GAP). They usually ship your order the following day.   The normal timing belt change interval is 60,000 miles - due to the fact that the factory waterpump is made of plastic and won't last beyond 60,000 miles. The germanautoparts.com timing belt kits include the new and improved metal waterpump which will extend your timing belt change interval to 90,000 miles. The belts (timing belt and serpentine belt) are new and improved designs that will last 90,000 miles.   I performed a search for private VW mechanics in your area, and the following one has had good reviews:   Tai Vw & Audi (808) 623-4282 651 Kilani Ave, Wahiawa, HI 96786 Cross Streets: Between Westervelt St and Mango St   2) That rattling sound is more than likely the lower heat shield on the catalytic converter. I would ask the mechanic on his opinion as to whether the heat shield is worth saving, removing or replacing.   3) Since you do a lot of stop and go driving, I would take the car on a good weekend highway run every once in a while. Short of that, given the added heat of stop-and-go driving, I would have the timing belt service done every 75,000 - 80,000 miles.   Hope this helps...   Mahalo... Replies to this message: asifgrkhan (May 19, 2008 12:58 am) 600kgolfgt (May 19, 2008 4:31 am) asifgrkhan (May 20, 2008 1:23 pm)
#206 of 262 Re: Alternator [gramm6654] by 600kgolfgt May 18, 2008 (12:25 pm)
Replying to: gramm6654 (May 16, 2008 10:18 am) The Dealership is definitely taking you for a ride. The cost of a new alternator is between $250 and $300, and the labor shouldn't take any more than 1 hour. I would order the alternator and have a private mechanic install it.   Here's a link for your alternator from germanautoparts.com (which I have purchased my parts from for years):   http://germanautoparts.com/Volkswagen/Jetta/EngineElectrical/6/5   To search for private VW mechanics in your area, I would google on the following:   private VW mechanics (enter your city, state here)   Hope this helps...
#207 of 262 Re: Jetta 4 2.0 Timing Belt and other questions [600kgolfgt] by asifgrkhan May 19, 2008 (12:58 am)
Replying to: 600kgolfgt (May 18, 2008 12:13 pm) Thank you 600kgolfgt for the detailed reply. I wil contact Tai VW & Audi for the timing belt replacement.   Couple of quick questions: 1. My research showed that for early Golf/Jetta 4 models, the timing belt interval was put at 40k which was enhanced to 120k from 2002 onwards (as far as I rememeber). I am still assuming that the previous owner made the first replacement since this is a critical part.   2. I did call up VolxGerman, which is a big shop in Honolulu and got a quote of $890 for timing belt + water pump. Is this figure in the ballpark? What should the approximate cost for the labor component in your opinion at an independant mechanic like Tai?   3. Does the abnormally low mileage/gal show something wrong with the engine or will a tune up take care of it. Replies to this message: 600kgolfgt (May 19, 2008 4:31 am) asifgrkhan (May 20, 2008 1:23 pm)
#208 of 262 Re: Jetta 4 2.0 Timing Belt and other questions [asifgrkhan] by 600kgolfgt May 19, 2008 (4:31 am)
Replying to: asifgrkhan (May 19, 2008 12:58 am) 1) Since the timing belt is one of the most expensive services to be performed on an automobile, at 40,000 miles, most owners will avoid the timing belt change and leave that for the next owner (unfortunately). If it were my car, and there are no records that (definitively) state that the timing belt was changed, I would have the timing belt service done - especially if the car now has over 70,000 miles on it - because now you are entering the mileage range where the majority of (plastic) water pump failures occur. And a $5,000 engine replacement is an expensive gamble if you've guessed wrong.   2) If the $890 includes parts and labor, that's a good price - well below what the dealer would charge (if performed by the dealer, you are probably looking at $1100-$1200 easily).   3) If you purchased the parts yourself and had the mechanic perform the installation you are probably in the same $890 ballpark. The majority of the cost for the timing belt service is labor (anywhere between 4-6 hours).   Since you already have one quote of $890, I would get another quote from Tai VW and Audi, and go with the best quote. One thing I would ask (very important) is if the water pump is the OEM plastic one or the metal one (INSIST on the metal one - which should extend your timing belt change interval towards the 100,000 mile mark).   Good luck and let us know how you made out.     Replies to this message: asifgrkhan (May 20, 2008 1:23 pm)
#209 of 262 Re: Jetta 4 2.0 Timing Belt and other questions [600kgolfgt] by asifgrkhan May 20, 2008 (1:23 pm)
Replying to: 600kgolfgt (May 19, 2008 4:31 am) Hey 600kgolfgt,   Thanks for the advice. I havent seen any Timing belt service records for the car so am assuming that nothing was done at the 40,000 mile mark.   Talked to Thomas at TAI VW and got a quote of $495 for parts and labor combined for changing the timing belt, water pump, tensioner and coolant. This looks like a very competitive price so I guess I will make the 35 mile trek later in the week to get the service done by him.   I will let the forum know how TAI VW worked out once I have had the service done.    Thanks, A
#210 of 262 '98 Jetta 2.0L stalls at stop, inconsistent by seatguy May 27, 2008 (7:26 am)
1998 Jetta 2.0L, 169k miles. The problem is inconsistent and typically occurs after a long (30minutes minimum) freeway drive when stopping at an exit light. At about 5-10mph, the engine stalls very smoothly (no gurgling or vibration). It will start again right away. Related clue: I remember a click that USED TO occur during this same type of condition when it didn't stall. I checked the EVAP regulator valve and does click with 12V applied. I've been monitoring the voltage applied during driving and varies between 7.9V and 8.2V and noticed -5V during an incident (I think, it was very quick). Would a faulty signal to a working EVAP valve cause the above issue? Any guidance? Replies to this message: bpeebles (May 27, 2008 5:53 pm)
#211 of 262 Re: '98 Jetta 2.0L stalls at stop, inconsistent [seatguy] by bpeebles May 27, 2008 (5:53 pm)
Replying to: seatguy (May 27, 2008 7:26 am) I do not beleive that the evap system would cause stalling (unless it pulls a HUGE vacuum in the fueltank... VERY unlikey that the fuelpump would be "out-sucked")   Do not forget that the evap system may click when it is performing one of the built-in diagnostics for OBDII. A slight vacuum is created in the airspace above the fuel and then sealed off.... a timer is then kicked off to make certain that the vacuum "holds". This test is mainly to detect a loose gascap or split hoses.   You may consider using a VAGCOM to monitor some key inputs as you are driving. I would expect that the graph would clearly show the conditions which are causing the stalling.
#212 of 262 Re: 2000 VR6 JETTA ... Coolant Issue Engine Issue [disappointed7] by bharo Jul 23, 2008 (8:44 am)
Replying to: disappointed7 (Mar 25, 2008 5:25 pm) Where do you find out about federal emmississons warantee? My husband just replaced some type of cooling sensor because it was pretty much spilling coolant every chance it got.2000 Replies to this message: bpeebles (Jul 23, 2008 5:11 pm)

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