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99 TDI T4 - repair or abandon

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  • 99 TDI T4 - repair or abandon

    Hi,
    I have a tale of woe to get off my chest, a virtual shoulder to cry on. I don't have the aptitude or time to work on the van myself unfortunately.
    I have a '99 T4 synchro camper conversion that I have had since 2005. It has 288000 on the clock and had been running rough at idle and was due for a timing belt change so I put it in to Bill Buckle.
    They changed the belt but had a lot of trouble getting the timing right. It took them 8 days but I then picked it up and drove it home to discover it was leaking oil - puddles on the drive. They took it back and replaced some seals that they must have disturbed and the leak was fixed for only parts cost, but again they had a lot of trouble getting the pump timing right - they said they had to set it very advanced or it wouldn't start. I was getting worried at this stage but got it back a week later and went for weekend away up the mountains. On the way it stopped 4- times, and pulling up a big hill the flashing light of death appeared.
    I got back to Sydney and thought I would take it to mech 2 who had more experience with older VWs. He spent 14 hour trying to get the timing right and couldn't. He said he suspected the temperature sensor in the pump and would replace it. He did this and again said he had a lot of trouble getting the timing right, but had set it advanced. (He had also dented the bottom panel a bit when it slipped on the hoist). $1300 later I then picked it up but it was blowing white smoke and made it 1km before stopping. I got it towed back to them.
    He said it must be a problem with the fuel pump as that controls and reports all the timing so he was going to pull it out and send it to get tested and reconditioned. I then thought I would send the whole car on to Sydney Diesel centre who would have been reconditioning it anyway as I lost confidence in Mechanic 2, so paid for it to be towed there.
    So, Diesel centre said it the timing was way out and corrected it but it was still blowing white smoke. They then did a lot of testing and said the temp sensor was not showing the right resistance and would need to be bench tested and calibrated correctly, and they should probably test the injectors too.
    So, I am at a point where I have to make a decision to scrap or repair it. Best case is that they pull the pump and injectors out and bench test them all to see if there is any issues. $3000 if there is nothing wrong and they just correct the temp sensor, another $2-3K if the pump need reconditioning an extra $1-2K if the injectors need replacing/reconditioning.
    The car is maybe worth $15-18K if running well, pretty much impossible to sell if not.
    Do I risk $3K to $7K with no real guarantee it will be fixed at the end, or stop throwing more money at it?
    I know no-one can answer that, but I feel there must be some issue to make it so hard for so many experienced mechanics to have issues timing it. My heart says trust the diesel mechanic will get to the bottom of the issue and fix it but my head (well, my wife) says it might be time to stop throwing good money after bad.

  • #2
    How much for a reco motor ?
    MK4 GTI - Sold
    MK5 Jetta Turbo - Sold
    MK5 Jetta 2.Slow - Until it dies.

    Comment


    • #3
      Wow, that is a serious tale of woe. I think you are dealing with people who don't know what they are doing or have no or very little experience with the T4 TDI engine. To me, the prices quoted by Diesel Centre are outrageous, but not living in Sydney I don't know what their hourly rate is & how much the quote is loaded. I also think they are grasping at straws.
      Don't give up on the van as they are normally reliable & very long lasting. In fact on the T4 Forum in the UK there was a thread about the T4 being over engineered. There are many very high mileage T4s driving around over there but they have the advantage of mechanics who do know what they doing & are reasonably priced.
      Hopefully someone on this forum can guide you to someone in your area that has experience with your model & knows what they are doing. A good mechanic is GOLD.
      Understand how it works, troubleshoot logically BEFORE replacing parts.
      2001 T4 TRAKKA Syncro 2.5TDI,2006 Mk5 2.0TDI Golf manual,2001 Polo 1.4 16V manual [now sold], '09 2.0CR TDI Tiguan manual,
      Numerous Mk1 Golf diesels

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      • #4
        Originally posted by JustCruisn View Post
        How much for a reco motor ?
        He probably doesn't need a new motor but a GOOD mechanic at a reasonable price. If his T4 has been serviced properly it should have plenty of life left.
        Understand how it works, troubleshoot logically BEFORE replacing parts.
        2001 T4 TRAKKA Syncro 2.5TDI,2006 Mk5 2.0TDI Golf manual,2001 Polo 1.4 16V manual [now sold], '09 2.0CR TDI Tiguan manual,
        Numerous Mk1 Golf diesels

        Comment


        • #5
          I know that Matt from Camden GTI used to have a T4 that he did a lot of fiddling with. Maybe worth calling him?

          http://www.vwwatercooled.com/forums/...tro-15870.html
          2012 Octavia vRS TDI. Darkside big turbo, 3bar tune, other stuff. 200kW/650Nm.
          1990 Mk1 Cabrio. 1.9 IDI w/ 18PSI.
          1985 Mazda T3500 adventuremobile. 1973 Superbug. 1972 Volvo 144 in poo-brown.
          Not including hers...

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          • #6
            Originally posted by jets View Post
            I think you are dealing with people who don't know what they are doing or have no or very little experience with the T4 TDI engine.
            +1

            Most on here in Sydney area seem to recommend Camden GTI and he's a site sponsor.

            Here's one of his professional conversions
            www.vwwatercooled.com/forums/f136/t5-crazy-conversion-project-84635.html
            Last edited by Rebuild; 29-10-2016, 09:25 AM.
            Steve
            04 T5

            Comment


            • #7
              Not sure about a reco engine but when my son wanted more performance from his 2.4 non turbo diesel T4 , we decided to buy a whole T4 2.5 petrol powered van from Ebay we won the bid at $3600 .Later we did a complete swap engine gearbox exhaust fuel lines tank and electronics . He was happy the engine was in top condition and we did the timing belt water pump while we did the swap . Best part was after he got his van back on the road I decided to put all the diesel components back into the Ebay donor van , did some minor paint my self cleaned up the inside as I am a motor trimmer and then put it back on Ebay . The damn thing sold for $6300 not a bad idea . There are plenty of T4's around so might be worth considering .

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              • #8
                So, the injectors are cracking at 170bar instead of 190 so they will need reconditioning for around $200 each. This would also add to timing issues.

                They also pulled the pump out and it has a rusty piston and bits of metal in it. The reconditioners won't test it as they are worried it will contaminate and maybe damage their test bench. The mechanic there is communicating well with me and understands the price issues I am facing. The basic options I seem to have are:
                0 - They can fix the injectors and put the existing pump back in and see if it works. I don't think this is worth the risk.
                1 - They can recondition my pump for $1800 - $3000 depending on what need replacing - they suspect around $2500
                2 - They have a reconditioned pump there now for $3000 that they can fit
                3 - I can source another pump and they will fit it.

                I see there are a lot of reconditioned pumps for sale on german ebay for around $1100 AUD delivered. Does anyone have any experience with that - is it worth the risk? Another source was a diesel mechanic in SA who imports from the UK but his quote was $2100 so not saving me much.

                Anyway, looks like I am committed now
                Last edited by Scroty; 02-11-2016, 11:10 AM.

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                • #9
                  Originally posted by Scroty View Post
                  They also pulled the pump out and it has a rusty piston and bits of metal in it.

                  1 - They can recondition my pump for $1800 - $3000 depending on what need replacing - they suspect around $2500

                  I see there are a lot of reconditioned pumps for sale on for around $1100 AUD delivered.
                  The one Ebay looks OK with a high positive feedback considering the no sold. Can you afford to wait for delivery?
                  If you needed to return it for any reason you may have to pay return postage & another wait. EDIT Just had another look & it says it's new so probably very little chance of a fault.
                  If you go for your mech. to recondition your pump, how long will that take? It's probably worth the gamble to pay up to $2500 rather than $3000 for the one that is ready to go.
                  How long have you owned the van? Has the fuel been drained/checked from the fuel filter on a regular basis? I have never picked up any water in mine after checking, but a friend of mine with a Toyota camper bus always finds some in his, [warning buzzer] after the regular trip he does in the winter from Adelaide to Queensland. He blames it on some of the outback stations he needs to fill up from.
                  I am pleased you have gone ahead with repairing your van. Any Syncro camper is worth saving & very special. The Americans would love to get hold of what you have [admittedly in LHD] for the Syncro/manual/TDI features.
                  Last edited by jets; 02-11-2016, 12:27 PM.
                  Understand how it works, troubleshoot logically BEFORE replacing parts.
                  2001 T4 TRAKKA Syncro 2.5TDI,2006 Mk5 2.0TDI Golf manual,2001 Polo 1.4 16V manual [now sold], '09 2.0CR TDI Tiguan manual,
                  Numerous Mk1 Golf diesels

                  Comment


                  • #10
                    When I had the injector pump replaced in the 1.9TDI in my T3 syncro about 10 years ago my mechanic got one from Repco and at the time it was the cheapest way to get it. Took about 5 weeks to come from Germany.

                    Just a thought. May not be like that now.

                    Bruce CQ

                    Comment


                    • #11
                      Originally posted by jets View Post
                      The one Ebay looks OK with a high positive feedback considering the no sold. Can you afford to wait for delivery?
                      If you needed to return it for any reason you may have to pay return postage & another wait. EDIT Just had another look & it says it's new so probably very little chance of a fault.
                      If you go for your mech. to recondition your pump, how long will that take? It's probably worth the gamble to pay up to $2500 rather than $3000 for the one that is ready to go.
                      How long have you owned the van? Has the fuel been drained/checked from the fuel filter on a regular basis? I have never picked up any water in mine after checking, but a friend of mine with a Toyota camper bus always finds some in his, [warning buzzer] after the regular trip he does in the winter from Adelaide to Queensland. He blames it on some of the outback stations he needs to fill up from.
                      I am pleased you have gone ahead with repairing your van. Any Syncro camper is worth saving & very special. The Americans would love to get hold of what you have [admittedly in LHD] for the Syncro/manual/TDI features.
                      Thanks for the reply. I can wait for the delivery, and the mechanic said he is happy to as well. I have had the van for 11 years, changed the filter once and opened the tap a few few times, sounds like I should have done it more but every time I did there was no obvious water, just fuel.
                      Although it does say NEU, it goes onto say it is reconditioned. Like you say though, they have a high turnover and a high rating, so I am going to take the risk for the $1200 saving. I post back to let you know how it goes.

                      Comment


                      • #12
                        Fuel filter on them should be done every 60K/4 years, or sooner, if the car is subjected to dusty conditions.

                        However, in the real world not many people bother, due to the location of the filter and the difficulty of replacing it.
                        '07 Transporter 1.9 TDI
                        '01 Beetle 2.0

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                        • #13
                          After my friends experience, I will probably drain some fuel from the filter[easy job] after a trip where I have needed to fill at stations that I don't know. In the city, I tend to use the newer stations with new tanks for the reduced chance of ground water leaking in. It is also known to be bought in from the tanker. In the CR & newer diesels, contaminated fuel is a real problem & can be very expensive to rectify any damage. In the Bosch VE style pumps they are more tolerant.
                          Last edited by jets; 03-11-2016, 10:23 AM.
                          Understand how it works, troubleshoot logically BEFORE replacing parts.
                          2001 T4 TRAKKA Syncro 2.5TDI,2006 Mk5 2.0TDI Golf manual,2001 Polo 1.4 16V manual [now sold], '09 2.0CR TDI Tiguan manual,
                          Numerous Mk1 Golf diesels

                          Comment


                          • #14
                            Originally posted by Scroty View Post
                            Although it does say NEU, it goes onto say it is reconditioned.
                            I only took a quick look & didn't do a translation but I did wonder about the sandblast or soda or whatever they used finish. It certainly was different to the high gloss cast finish you expect to see on a new pump. I look forward to your reposting of progress.
                            Understand how it works, troubleshoot logically BEFORE replacing parts.
                            2001 T4 TRAKKA Syncro 2.5TDI,2006 Mk5 2.0TDI Golf manual,2001 Polo 1.4 16V manual [now sold], '09 2.0CR TDI Tiguan manual,
                            Numerous Mk1 Golf diesels

                            Comment


                            • #15
                              Originally posted by jets View Post
                              After my friends experience, I will probably drain some fuel from the filter[easy job] after a trip where I have needed to fill at stations that I don't know. In the city, I tend to use the newer stations with new tanks for the reduced chance of ground water leaking in. It is also known to be bought in from the tanker. In the CR & newer diesels, contaminated fuel is a real problem & can be very expensive to rectify any damage. In the Bosch VE style pumps they are more tolerant.
                              From my personal experience, the newer petrol stations could also have contaminated fuel.
                              Performance Tunes from $850
                              Wrecking RS OCTAVIA 2 Link

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