Hardened valve stem seals. The 1G-FE runs relatively hot; after decades of operation, the rubber seals degrade, causing blue smoke from the exhaust during cold startups.
| Component | N·m | lb-ft | |-----------|-----|-------| | Cylinder head bolts (step 1) | 29 | 21 | | Cylinder head bolts (step 2) | 90° turn | – | | Main bearing cap bolts | 61 | 45 | | Connecting rod cap nuts | 49 | 36 | | Crankshaft pulley bolt | 245 | 181 | | Camshaft bearing caps | 16 | 12 | | Timing belt tensioner bolt | 19 | 14 | | Oil pump mounting bolts | 9 | 6.5 | | Flywheel/flexplate bolts | 88 | 65 |
Mark II (GX81/GX90/GX100), Chaser , Cresta , Crown (YS130/GS141). VVT-i Generation (1998–2005) toyota 1g fe engine manual verified
: Rotate the crankshaft clockwise until the timing mark on the crankshaft pulley aligns with the "0" mark on the lower timing belt cover.
The manual contains the diagnostic trouble codes (DTCs) for the engine management system, helping you diagnose sensor issues (MAF, TPS, Oxygen sensors). Conclusion Hardened valve stem seals
The later BEAMS version introduced electronically controlled variable valve timing (VVT-i) and a "dis-6" (direct) ignition system, which are not present on older models. Maintenance & Service Resources
Verify that the mark on the camshaft sprocket aligns perfectly with the pointer stamped into the rear metal timing plate. Maintenance & Service Resources Verify that the mark
Remove the locking pin from the hydraulic tensioner to apply pressure to the idler pulley.
: In models like the Mark II (JZX110), official consumption is approximately 14 L/100km urban and 8 L/100km highway. Ravensberger Schmierstoffvertrieb GmbH Verified Manual Resources