1994 4runner, six cyl. putting rebuilt heads on, toyota head gaskets, new head bolts "tvs 10.9". Torqued bolts in pattern to 33 foot pounds. another 1/4 turn in the pattern. and into my next and final 1/4 turn (required by toyota book), 3 different bolts acted like they stripped. They still have torque to them(more than 33 foot pounds I checked) but it seems that they "gave way" going into the final turn. I can't imagine the bolts stripping, but they aren't from toyota. I did oil the bolts prior. Would the gasket be giving? What do I do? Do I eat the gasket, pull off the head and check the bolts? Can I pull a bolt out, check it and torque it back to 33pounds and then 180? Do I check all bolts by setting my torque wrench to "40 plus pounds" to make sure that I have equal torque all around? Ideas?

Lower Intake:

1. Use a skin coat of RTV silicone on both sides of the water passage ports (outer most holes) and put the new lower intake gaskets into place
2. Hand tighten the 13mm head intake bolts and Torque the bolts , starting from the center and working your way out in a circular pattern
3. Torque these bolts in a few small increments until they have reached 250 inch pounds of torque.
4. Upper Intake Plenum:
5. When installing the intake air plenum , be sure to catch the four center bolts and the two side bolts (stiffener brackets) before tightening , The center bolts should be torqued to 250 inch pounds .The fuel rail bolts should be torqued to 100 inch pounds

Head gasket Torque sequence
36 pounds then to 49 pounds then an additional 90 degrees. You should get new head bolts though because this style of bolt can stretch causing the head gasket to leak. See tightening pattern

There is a torque spec for the cylinder head; I don't know of one for the cover.

Head Bolts
Torque sequence --------- ' 6 2 3 7 ' ' 5 1 4 8 ' --------- Step 1: torque in sequence to 33 Ft/Lbs Step 2: turn an additional 90 degrees 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.Always coat bolt threads with the proper sealant.
The Intake Bolt Torque 10 Foot pounds (Final torque)
Note:to torque bolts & nuts, start in center using crisscross pattern working outward

cylinder head bolts, step one;33 ft. lbs, second step rotate an additional 90-degrees (1/4 turn). do not put any oil or sealant on gasket. the gasket should seal itself if torqued properly.

2.2 4 cyl. ?

Coat threads of left hand front bolt with sealant: 1st - step; - 22 ft./lbs. 2nd - step; - 45 ft./lbs. 3rd - step, all bolts except L.H. front bolt; - 110 ft./lbs. 4th - step, L.H. front bolt; - 100 ft./lbs.

Tighten in several passes to 44 foot pounds.

I just wanted to add. Since this is an aluminum cylinder head, I hope you loosened the head in the loosening torque pattern. The pattern opposite of the torque tightening pattern. If not, you stand the chance of warping the head.

Again, since it's an aluminum head, it needs to be checked for flatness. Most aluminum heads need to be surfaced before re-installing.

Tightening torque pattern is as follows:

1.The Drivers side of the engine is the Left side.
From the Front going towards the back; the bolts are numbered 10, 6, 1, 3, and 7.
From the Front going towards the back on the Passenger side; the bolts are numbered 8, 4, 2, 5, and 9.

The Exhaust and Intake Camshaft Bearing Cap bolts go to 9 foot pounds. Tighten gradually. One bolt to the other with so many foot pounds, work back, and forth up to 9lbs.

Camshaft Timing Pulley bolts go to 43 foot pounds. (In a tightening sequence, and gradually)

Head Bolt Torque For your 1994 Oldsmobile Cutlass Supreme (3.4L SFI DOHC): Foot pounds (Final torque) Note: Torque sequence --------- | 6 2 3 7 | | 5 1 4 8 | --------- Step 1: torque in sequence to 33 Ft/Lbs Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque. Foot pounds (Final torque) Note: Torque sequence --------- | 8 4 1 5 | | 7 3 2 6 | front --------- of engine | 6 2 3 7 | | 5 1 4 8 | Step 1: torque to 40 Ft/Lbs --------- Step 2: turn an additional 90 degrees Recheck final torque in sequence *** CAUTION ***engine uses Torque To Yield head bolts (TTY) thatpermanently stretch during the initial installation.New head bolts must be used when cylinder head isreplaced or re-installed to obtain proper torque.

 For your 1991 Jeep Cherokee 2WD 4.0L MFI :
  Foot pounds (Final torque) 

  Note:
  Torque sequence ------------------  
  front    | 12  8   4   1   5   9  13 | 
  of | | 
  engine | 11  7   3   2   6   10 14 | 
  ------------------  
Final torque must be reached in 3 equal steps  
  Step 1: torque all bolts (except bolt 11)  
  to 110 Ft/Lbs  
  Step 2: torque bolt 11 to 100 Ft/Lbs  
Recheck final torque in sequence