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Thread: T4 2.5 TDI tightening torques?

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Pundit T4 2.5 TDI tightening torques? 07-03-2013, 07:16 AM
gldgti I think pretty much any VW... 07-03-2013, 02:03 PM
jets For cambelt end, 4 bolts... 07-03-2013, 03:14 PM
Pundit Thanks for the info guys.... 08-03-2013, 07:53 AM
jets I should have mentioned this... 22-06-2024, 09:56 PM
tooarbie And 11 years later ... I... 16-06-2024, 08:09 PM
ELK Audio When I did my 2.5 TDI (ACV)... 22-06-2024, 12:15 AM
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  1. #1
    Join Date
    May 2006
    Location
    Adelaide South Australia
    Posts
    1,302
    For cambelt end, 4 bolts around main crank bolt, 20Nm + 90degrees.
    Tensioner 20Nm
    Cam pulley, if 8.8 strength bolt 85Nm
    !0.9 " " !00Nm
    Main crank bolt, Auto data says lightly oil thread & contact surfaces
    Elsa Win doesn't mention whether dry or oiled.
    Lower belt guard, Long bolt at top,20Nm, smaller bolts 10Nm.
    Fuel pump end, cam pulley, 160Nm
    Tensioner bolt 15Nm
    Idler 20Nm.
    Locking bolt for pump 30Nm [Elsa Win]
    25Nm [Auto data] Take your pick.
    Camshaft bearing caps, 20Nm
    A few notes I made. Install belt starting from crankshaft,around water pump & finally over cam pulley. Belt is very tight fit so have entire belt just over edge of each pulley with edge of belt roughly in line. Gradually work work belt across pulleys until home. Naturally the tensioner is fully backed off while doing this.
    Adjust tensioner. Loosely bolt harmonic balancer in place & turn crank two complete turns. Check tensioner adjustment again.
    Remove harmonic balancer & install top belt cover before lower cover. Hook at bottom of top cover must slide into slot at rear of sheet metal cam cover. Install the three 6mm screws[10Nm]. Reinstall harmonic balance pulley[don't forget diamond coated washer] & tighten to correct torque
    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

  2. #2
    Join Date
    Dec 2012
    Location
    Victoria
    Posts
    21
    Users Country Flag Thread Starter
    Thanks for the info guys. Much appreciated.

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