Head bolt torque spec

Question edited to remove chaos :>D
Question moved to sub category.

https://www.google.com/search?q=2015+Mercedes+Benz+OM651+CDI+4+cyl+2.1+diesel%2C+cylinder+head+bolt+torque

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Click here to see head bolt torque.Click here for rocker arm torque specs.

what engine is in it

Hi.

The specs below are for the 2.0 L SOHC engine mounted on P VIN Ford Escort.

The bolts must be tightened 30-44 ft. lbs. follows the procedure.

1. Tighten the bolts in sequence to 30-44 ft. lbs. (40-60 Nm).
2. Back bolts off 1 / 2 turn.
3. Retighten bolts to 30-44 ft. lbs. (40-60 Nm).
4. Rotate all bolts in sequence by additional 180°, in two steps of 90°.

Specs from AutoZone.

Regards,

Ginko

Torque spec

Step 1- 44 Ft.Lbs.
Step 2- 59 Ft.Lbs.
Step 3- Tighten bolts an additional 90 degrees.

Here the head bolt's tightening sequence.

Step 1 14 ft.lbs
Step 2 29 ft.lbs
Step 3 36 ft.lbs
Step 4 loosen 3 revolution and torque in sequence, one bolt at a time, and torque to next step.
Step 5 short bolts 15-32 ft.lbs
long bolts 30-36 ft.lbs
Step 6 additional 175-185 degrees.

Torque new cylinder head bolts in sequence to 44 ft lb. Loosen bolts approximately two turns, then torque bolts in sequence to 44 ft lb. Turn bolts an additional 90 degrees in sequence, then an additional 90 degrees

Torque sequence
9 3 1 5 7
8 6 2 4 10

The aluminum heads on a cast iron block require some gentle torque procedures.... It may not be necessary - but I suggest that you start near the center of the head and work out with each tightening step. This will ensure that you don't put too much pressure on a single portion of the head. The standard proceedure for the 3.8 V6 up until 1994 is as follows:
You will have some long and some shorter head bolts. Place a small mark on the long bolts to identify them during the final torque proceedure.

Step 1: 15 (on all bolts)
Step 2: 29 (on all bolts)
Step 3: 37 (on all bolts)
Step 4: Now, starting near the center of the head, loosen a single head bolt about 2 turns. Now, torque it down to about 15 (+/- 3 lbs) IF A LONG BOLT.
OR 11 (+/- 3 lbs) IF A SHORT BOLT.
Step 5:
After all bolts are set as described above, ....go over them 1 more time, starting near the center of the head and pull each bolt down another 1/4 turn (90 degrees).
You are done!!

torque the bolts to 45 ft/lb then tighten each bolt 90 degrees and then 90 degrees again

These are torque to yeild bolts, must be replacedd new bolts will have specs.