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Thread: New engine

  1. #1
    Join Date
    Oct 2008
    Location
    Mt Cotton
    Posts
    3,734

    New engine

    Hi guys I am in need of some advise or direction , my ever faithful 2005 T5 work van with it's unstoppable 2.0 litre petrol engine manual box is in need of some Viagra . It has only gone 295000 kays with just one set of plugs and spark plug leads plus two water pumps and timing belts . Over the last year or so it really is noticeable for lack of grunt on take off hills etc . {especially if the air con is on } Once rolling it's a dream only overtaking is a planned exercise on the open roads , so my dilemma is do I try and find someone who could do a reco job or should I do a transplant with an unknown engine with less kays under the belt . I know selling the van whilst its still going is an option but I love this old girl or boy {hence the Viagra } but it owes me nothing basically and its like a comfy set of shoes a pleasure to get into each day plus its setup just as I like it for work and drive . The engine is the 85kw AXA .

  2. #2
    Join Date
    Dec 2008
    Location
    Sydney/Canberra
    Posts
    5,521
    Users Country Flag
    Change the plugs!!

    They're due every 60K like every other petrol VW.

  3. #3
    Join Date
    Nov 2014
    Location
    Melbourne
    Posts
    284
    Agree a good service

    A de-coke probably will not hurt either, you could have a heap of carbon build up especially if you are using 91 fuel
    Liqui-moly have a product

  4. #4
    Join Date
    Jun 2006
    Location
    with the dust and flies in western Victoria
    Posts
    782
    Do the basics before changing the horses!!!

  5. #5
    Join Date
    Oct 2008
    Location
    Mt Cotton
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    Thread Starter
    Sorry I should have mentioned the plugs were changed only about 17000kays back along with leads which funnily enough one failed two weeks after the plugs were done , something to do with the resistance from the new plugs . I only ever use 95 RON and then once or twice a month 98 RON . So all suggestions so far have been covered . I suppose after 295000 kays compression will be down , that's why I suspect a rebuild or whatever .

  6. #6
    Join Date
    Dec 2012
    Location
    Sutherland Shire, Sydney
    Posts
    1,472
    Users Country Flag
    Is it blowing smoke?
    Have you done a compression test?
    Does the engine reach normal operating temperature (90 deg)? (thermostat could be stuck open)
    Other reasons for sluggish performance are the O2 sensor going bad (CEL?) and/or a lack of ignition advance

    The rebuild or swap out is always a hard call - go to the wreckers and see what you can find
    2012.1 Skoda Octavia VRS DSG Wagon - Carbonio cold air intake and pipe - HPA Motorsports BBK 355mm rotors 6 pot calipers
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  7. #7
    Join Date
    Oct 2008
    Location
    Mt Cotton
    Posts
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    Thread Starter
    Thanks Martin there is some food for thought in your reply , first yes it has never flinched from the dead centre of the temp gauge . I often wonder if it gets stuck at that point as I can not ever remember it going past the "normal "temp . The O2 sensor would be a chance and I will check it as the van is due for it's next service with Jmac here in Brisbane he is a very popular VW tech as it can take ages to get a booking with him [ its all those bloody pesky Golf owners who seem to flock to his door ] ha ha .

  8. #8
    Join Date
    Apr 2014
    Location
    Chelmer, Queensland
    Posts
    289
    Users Country Flag
    I Jmac still around?

    MK2 mechanic Brisbane

    I had been using Phoenix, but the old guy retired & I don't have any information on the newest guy.

  9. #9
    Join Date
    Feb 2008
    Location
    Adelaide,Oz
    Posts
    356
    I know the diesel bores are plasma/nicasil type material(super hard), am thinking the petrols would be same.
    Wouldn't think they'd wear too much in 290K ?
    On your service I'd get jmac to do a comp. test, and see if he thinks the engine is "tired" or it's something else, then go from there
    I wouldn't be looking for another engine yet
    Steve
    04 T5 auto 2.5L TDI

  10. #10
    Join Date
    Jun 2005
    Location
    Peregian Beach
    Posts
    672

    290,000k's isn't a lot really depending on driving style and servicing. Our Vento 2 litre was still going strong after 440,000k's. I suggest that you get it scanned. There is a water temperature sensor that often fails. When it does the engine will still start and run and drive reasonably normally but its like the engine is in limp mode, ie no power.
    2001 Bora 4 Motion Sport now used by number two son
    2011 Skoda Octavia Scout now with Underground Performance tune
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    2006 Polo GTI - Enhanced by some of Gav's magic - Absolutely loving it

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