Engine bolts torque settings

Tiny
FAFATECH500
  • MEMBER
  • 2002 MAZDA DEMIO
  • 1.5L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 120,000 MILES
I am doing an engine so I am looking for engine torques.
Tuesday, December 20th, 2016 AT 4:52 AM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Hey Fafatech500,

We don't have this car in the states but I think I found the specs that will work, please let me know.

Install the main bearing caps.
Tighten the bolts using the sequence shown in two stages.
Stage 1: Tighten the bolts to 25 Nm (18 lb-ft).
Stage 2: Tighten the bolts an additional 60 degrees.

Install the connecting rod caps.
Install new bolts and tighten in two stages:
Stage 1: Tighten to 35 Nm (26 lb-ft).
Stage 2: Tighten an additional 90 degrees.

Install the cylinder head and tighten the bolts in three stages using the sequence shown.
Stage 1: Tighten the bolts to 20 Nm (15 lb-ft).
Stage 2: Tighten the bolts to 40 Nm (30 lb-ft).
Stage 3: Tighten the bolts an additional 90 degrees.

Best, Ken
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Thursday, December 22nd, 2016 AT 12:48 PM
Tiny
MAXIMILIAM
  • ADMIN
  • 436 POSTS
Hi ken

Thank for the torque settings, they really worked well.

Best Regards,

Fafatech500
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Monday, January 9th, 2017 AT 3:26 AM

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