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Torque setting Toyota Land-cruiser 80 Series 4.5 1995-98
Engine code: 1FZ-FE, 1HD.
Stage 1: 20 Nm (Start tightening bolts from center to outwards)
Stage 2: 39 Nm
Stage 3: Rotate each bolt by 90 Degrees.
Stage 4: Further rotate each bolt by 90 Degrees
Did you have the head shaved? If not it is warped and will not seal. To answer you no, it is rare that any sealer is used on any gaskets on most engine parts. There are a few places where oil pans meet seals or valve covers with over head cams that do, but most modern engines do not need sealant on quality gaskets unless there is surface damage.
You did not mention if you torqued correctly and use new head bolts. This is considered very important.
Hello vienotkelly: The correct Main bolt torque is 42 foot pounds. The connecting rods torque to 29 foot pounds. The torque sequence for the head bolts and the correct way to tighten the bolts are attached to this reply. Thak You for using FixYa. Roger
remove the exhaust manifold with a 14mm. socket and pull off old gasket, may have to be scraped, install new and torque bolts to 33 FT. LBS......... same with intake manifold but 10mm. and 12 FT. LBS of torque and drain coolant.