Crankshaft center bolt (timing belt pulley lock bolt), big-nose
This spec doesn't apply to the car you selected.
116–122 ft·lb157–165 N·m157–165 N·m116–122 ft·lb
ConsensusNo factory manual value yet; two or more independent sources agree.
Applies to
- NA 1991–1993 (B6) — big-nose crankshaft only (mid-1991 on). 1991 cars can have either crank, so check the nose before using this value; small-nose cranks use 80–87 ft·lb.
Sources
- Page 1991 MX-5 Miata, Timing Belts, p. 11116–123 ft·lb (157–167 N·m)Printed: “Crankshaft/Timing Belt Sprocket Bolt 1992-95 116-123 (157-167)”Mitchell1 splits by model year and lists 1986-91 at 80-87 (109-118).
- 116–122 ft·lb (157–165 N·m)Printed: “Crank pulley bolt (1991 - present) 116-122 / 157-165 (plus Loctite 242-blue)”
Used in jobs
Also in Timing belt & pulleys
- Crankshaft pulley bolts (pulley to timing belt pulley)
- Crankshaft center bolt (timing belt pulley lock bolt), small-nose
- Timing belt tensioner lock bolt
- Timing belt idler pulley bolt
- Camshaft pulley bolt
- Timing belt cover bolts (upper, middle, lower)
- Crankshaft pulley lock bolt (center bolt)
- Timing belt cover bolts (NB2)
- Water pump pulley bolts (NB2)
- Crankshaft pulley outer bolts (NB2)
- Timing belt tensioner and idler bolts (NB2)
- Crankshaft pulley lock bolt (NB2)