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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKIV-A4 TDIs (VE and PD)

VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old September 5th, 2006, 11:12   #31
mk3
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Default Some ALH engines have different harmonic balancer and different torque

If you search for this part number N-103-036-03 you should find a posting by me explaining why on my 2003 ALH engine (and some others) the torque spec for the Harmonic balancer bolts is :

10 Nm + 90 degrees turn
Always replace!

VW dealers do not know this ( mine didn't)
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Old September 5th, 2006, 13:50   #32
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Thanks for tracking this one down... BTW: your other posting is in the A3 forum... you should really have it moved...

10 nm ??? That's not very much... 7.3756 ft*lb... even with the addtional 90 degrees...

We replaced my timing belt yesterday, and although I had replacement bolts, we re-used the originals... Since they weren't replaced during the first timing belt replacement either, I think one of these days I'll just replace them on principle... (They looked great, BTW...)

Yuri.

2003 TDI Jetta Wagon 196722 miles 41.5 months

Last edited by ymz; September 5th, 2006 at 13:52.
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Old September 5th, 2006, 18:39   #33
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Default Thanks!

I did a search for "Harmonic Balancer bolt" and blindly posted that without noticing I was in the wrong Forum... Thanks for pointing that out! I think I fixed it now.

btw, 10 Nm + 90 degrees is a lot of tension, I can assure you because I just did this on my car. I was worried I would round out the hex keys. Try it and you will see ; )
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Old March 17th, 2007, 14:46   #34
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Looking for the Torgue Specs for the Rear Shock Absorber Top Bolts for a 97 Passat. Thanks
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Old March 17th, 2007, 15:41   #35
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18 ft/lbs
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Old October 24th, 2007, 15:31   #36
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Default injectors torque

I'm putting in pp520's and can't seem to find the 15mm injector "cap"? torque. the thing that holds the injector to the housing/spring assembley. any idea. thanks

rob
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Old October 24th, 2007, 15:44   #37
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Quote:
Originally Posted by akliven
I'm putting in pp520's and can't seem to find the 15mm injector "cap"? torque. the thing that holds the injector to the housing/spring assembley.
The PDF says 33 ft*lbs - but that's not really enough... According to Kerma, "screw down the nozzle retaining nut with a wrench until it bottoms out on the injector and is "snug". Then take a deepwell socket and breaker bar and tighten it 30 degrees."

The injector hold-downs are only 15 Ft*Lbs...

Yuri.
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Old October 24th, 2007, 15:50   #38
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Quote:
Originally Posted by ymz
The PDF says 33 ft*lbs - but that's not really enough... According to Kerma, "screw down the nozzle retaining nut with a wrench until it bottoms out on the injector and is "snug". Then take a deepwell socket and breaker bar and tighten it 30 degrees."

The injector hold-downs are only 15 Ft*Lbs...

Yuri.
thanks. Its been a long tedious process rebuilding this engine but since i have it apart i might as weel upgrade it.

rob
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Old October 25th, 2007, 11:38   #39
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Default torque specs

torque specs front axle nut ?
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Old October 25th, 2007, 12:03   #40
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Quote:
Originally Posted by rawdon1
torque specs front axle nut ?
Do you have a Bentley service manual??? Be careful not to have any weight on the wheel when you start loosening the front axle retaining nut !!!!!!

To install:

Tighten 12-point nut to 200 Nm and loosen 1/2 turn.
Turn wheel hub 180 ° .

Tighten again with:

50 Nm + 60 ° additional turn (make marks... 2 "corners" of the nut equal 60 °)

It also says to "Coat with oil before installing the axle shaft:
The splines of the outer joint
The thread of the outer joint
Wheel hub splines
The contact surface and threads of the 12 point nut."

(BTW: for those that have cars with a bolt instead of the 12 point nut: NO OIL on the threads of the bolt !!!!)

Yuri.
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Old November 24th, 2007, 15:04   #41
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And how about the rear axle nut for '04 Jetta? (The big 30 mm 12 point nut).

TIA!
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Old December 3rd, 2007, 10:59   #42
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What is the proper torque spec for the 6 front axle bolts holding the axle to the transmission flange? Thanks.
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Old December 3rd, 2007, 21:14   #43
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Quote:
Originally Posted by Vindiesel6
What is the proper torque spec for the 6 front axle bolts holding the axle to the transmission flange?
According to Bentley, it's done in 2 stages... first tighten them diagonally to 10 NM (7.4 Ft*Lbs), then tighten them diagonally to 40 NM (29.5 Ft*Lbs) (that is: if those are 8 mm bolts... the 10 mm bolt cars are tightened to 70 NM)

Yuri.
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Old April 5th, 2008, 07:38   #44
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What about the use of anti-seize and locktite? Are there locations either one of these products are required or banned?
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