82 VW Rabbit.Do I have to retorque the head on my 1.6 vw diesel?
I've been given conflicting info on whether or not to re torque the head after 1,000 miles. One person says to re torque 6 point head bolts to 66 lbs. and to not re torque 12 point head bolts. Another person says to retorque both. What is the procedure?
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Note : Torque sequence ------------------------ ' 11 ' front ' 13 9 3 1 6 8 ' of ' ' engine ' 14 7 5 2 4 10 ' ' 12 15 ' ------------------------ Step 1: Torque all bolts in sequence 22 Ft/Lbs Step 2: Torque all bolts in sequence 47 Ft/Lbs Step 3: Loosen all bolts in reverse sequence Step 4: Retorque all bolts in sequence 22 Ft/Lbs Step 5: Retorque all bolts in sequence 43-51 Ft/Lbs Step 6: Retorque bolts 11 thru 15 in sequence an additional 4-6 Ft/Lbs ** CAUTION ** This engine uses 2 different length head bolts. "#1" Is the long bolt, while remaining bolts are short. **Do not confuse location of these bolts** recheck final torque in sequence
Torque sequence ---------------- | 9 3 1 6 8 | | 7 5 2 4 10 | ---------------- Step 1: Torque in sequence 22 Ft/Lbs Step 2: Torque in sequence 58 Ft/Lbs Step 3: Loosen all bolts completely Step 4: Retorque all bolts in sequence 22 Ft/Lbs Step 5: Retorque all bolts in sequence 54-61 Ft/Lbs recheck final torque in sequence *** CAUTION *** engine uses Torque To Yield head bolts (TTY) that permanently stretch during the initial installation. New head bolts must be used when cylinder head is replaced or re-installed to obtain proper torque.
!st thing is get the revised head gasket (used on 1993 up) for this engine from VW or Felpro, always use new head bolts or a repeat failure will occur. Using the revised head gasket here is the procedure to torque the head down, it is done in stages. PLease go to this site and read the whole procedure.
Go to faxonautoliterature. They carry a Bentley service manual ($29) for your pickup. The Bentley manual is as close as you can get to a factory service manual, they make the service manuals for VW. You may also want to look at Alldatadiy for supplemental info. You can sign up for 1 year for about $30. I've used both and had good luck figuring out what I needed. Get the Bentley first and then use alldata for backup. You may also want to look at signing up with vwvortexforum. No cost and they have vehicle specific forums for help.
Hope this helps.
I briefly looked online and did not see any info direct6ly relating to the torque spec of the cover bolts. I would guess around 15 ft lbs.--not too much--the head is aluminium--best way to go is to walk up to the service counter of the VW dealer and ask him to provide that information. You have the car and they built it!