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  1. Electrical
    Hi there, Having some fun with our van, that we are trying to troubleshoot. One of the things to try before giving yo and giving to the garage, is the coolant temp sensor. First question do these vans have 1 or 2? Second question where is it or are they? Any help gratefully received! It's...
  2. Engine & Gearbox
    I have the situation with my 2001 T4 caravelle (2.5 tdi). The COOLANT liquid is disappearing. The faster you drive the quicker it disappears. There are no leaks. I did the pressure test 2 times in two different services, both reported no leak. There is no white smoke when driving at all. there...
  3. Engine & Gearbox
    Having a nightmare with my van. It's a 2015 T5, 2.0 TDI T30 Highline. Coolant suddenly started disappearing, coolant light came on, white smoke from exhaust. Garage disgnosed failed EGR, replaced (£1000), but made no difference, they said cylinder 1 was filling with coolant. RAC recovered...
  4. Technical Threads
    so we have a t5 2006 130k miles, when we take it on our annual long (600mile) journey we have a coolant problem, runs on the motorway fine, then coolant level light comes on and we loose about 1/2 litre per 2 hours. ie the light keeps comming on and we top up, we have no temp gauge and only one...
  5. Engine & Gearbox
    Hi there, I have an VW T5 2007, I noticed that the coolant doesn't look so bright pink, more like a rusty brown transparent colour. There is a very small amount of brown residue on the coolant cap lid and the inner surface of the coolant container. I don't have any serious issues with the van...
  6. Engine & Gearbox
    Hi Guys would love any tip/ideas on some help with this one! I have a 2006 T5 2.5 done 165k. Vans always driven perfect and never overheated but few months ago checked coolant levels and noticed oil in the coolant but oil side seemed fine. Read through the forum and seemed oil cooler was...
  7. Engine & Gearbox
    My coolant is orange and rusty looking. A few years back I spent a considerable amount of time flushing and re-flushing the system. I even mixed up an oxalic acid mix and let that do some work, however didn't really work. I know everyone always says "you'll never get it all out" etc. Fine, but...
  8. Engine & Gearbox
    Hi my van started running out of coolant water really quickly, like filling it up once a day. So I changed the water bottle thinking it might have a leak. This didn’t fix it. Then a mechanic changed the radiator as he’d found a hole in it. He changed the radilator and filled up with anti...
  9. Engine & Gearbox
    I have a T4 2.4 from 1995 with a gasoline engine. I noticed that over the last 300-400 km of riding I have lost 150-200 ml of antifreeze coolant. A few months ago I had a severe leak due to a ripped tube and this got fixed. Not sure if the leak now is connected to the old leak, but this time is...
  10. Engine & Gearbox
    Hi All, I have owned a mk2 golf GTI cab in the past and had such great help from the forums, so i have been on these forums a little, sorry if I get any etiqeutte wrong!!! It’s been a while... I have now bought a VW T5 2007 transporter, to convert into a camper. On the face of it, the van...
  11. Engine & Gearbox
    Good afternoon, I’ve been an avid reader here for some time, knowledge here is unsurpassed 👍.. I currently own a T5.1 2010 140k on the clock. Engine has recently developed a coolant leak, coolant is clear of oil as is the reservoir tank. I have narrowed down the leak to a section shown in the...
  12. Engine & Gearbox
    Good afternoon.. Did the usual Oil Change on my Van today, figured while I had the under tray off, I would give the coolant a flush and change as I haven't done this since buying the van. I dropped all the old coolant out and flushed through the radiator with a hose. I refilled the system...
  13. Engine & Gearbox
    Hi everyone, hope you're all okay and healthy during this lock down.. I am just putting this up here for some guidance on a Coolant Change and flush.. I've got a 1998 T4 Caravelle LWB 2.5 TDI (ACV Engine) . I've done plenty of coolant changes/flushes before on my other cars in the past but...
  14. Engine & Gearbox
    My 2015 T5 has pink coolant. The recommended coolant is G13, which as far as I can see all seems to be purple. I'm changing cam belt so it's not just a top up. Should I use purple G13 which will mix with the pink coolant. The current pink would have been the factory fill. This website has a...
  15. Engine & Gearbox
    Hi - I have a '03 T4 with 190k miles in really good condition (no oil drinking or smoking) Just recently had the water temp warning light on - pulled over, header tank is low - topped up with coolant mix (carry spare and oil) Did 150 miles that day with no light back on. Left for a week...
  16. General Technical
    Hey everyone, first post, after reading the forums for a few months I finally got my hands on a T4 Kombi Petrol from 2004. I removed the mat and the plastic vent on the floor behind the driver seat to do a deep clean and noticed some smell (I think it's coolant) in the cab after driving for 20...
  17. Engine & Gearbox
    Hi All, We have started to loose coolant, slowly. The low level light is on, which is good, because it mean sit's working! We still have some coolant in the bottle and I was about to drain/replace and decided to warm the enging up first. Noticed a leak from under the van - dripping from an...
  18. T5 Conversions
    So I have the optional VW modified CANBUS Thermo Top C on board which acts as a supplementary heater to boost the coolant to operating temperature on cold days (<10C) In my last Caravelle I installed the engine preheater / parking heater upgrade to defrost the window in the winter and pre-heat...
  19. Technical Threads
    So I have the optional VW modified CANBUS Thermo Top C on board which acts as a supplementary heater to boost the coolant to operating temperature on cold days (<10C) In my last Caravelle I installed the engine preheater / parking heater upgrade to defrost the window in the winter and pre-heat...
  20. Engine & Gearbox
    After installing an Eberspecher I removed the rear heater but I did not pay attention to the flow direction of the rubber hoses. I want to install a calorifier and need to know in which direction the coolant flows. Is there something to test this maybe open the circuit again with the hoses in a...
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