| Engine marking | 1MZ-FE |
| Volume | 3.0 liters |
| Compression pressure in cylinders | |
| Standard | 218 psi |
| Minimum | 145 psi |
| Oil pressure (the engine is warmed up) | |
| At 3000 rpm | 43 – 78 psi |
| At idle | 4.3 psi minimum |
| Cylinder head | |
| Maximum allowable deformation: | |
| - the surface mating with the cylinder block | 0,099 |
| - surfaces joining with collectors | 0,079 |
| Valves and valve elements | |
| Valve border width: | |
| - standard | 0,990 |
| - minimum | 0,508 |
| Valve stem diameter: | |
| - intake | 5,471 – 5,484 |
| - graduation | 5,466 – 5,479 |
| Clearance between valve stem and guide bushing | |
| Inlet valve: | |
| - standard | 0,026 – 0,061 |
| - the limit | 0,079 |
| Exhaust valve: | |
| - standard | 0,031 – 0,066 |
| - the limit | 0,099 |
| Valve spring: | |
| – maximum deviation from a right angle | 2,007 |
| – length in free state | 45,499 |
| – length in installed state | 33,808 |
| Valve lifter: | |
| - diameter | 30,965 – 30,975 |
| – socket diameter | 31,001 – 31,016 |
| Lubrication gap: | |
| - standard | 0,023 – 0,051 |
| - ultimate | 0,071 |
| Crankshaft and connecting rods | |
| Connecting rod bearing: | |
| - diameter | 52,992 – 53,000 |
| - maximum taper and ovality | 0,020 |
| Lubrication gap: | |
| - standard | 0,038 – 0,064 |
| - ultimate | 0,079 |
| Lateral clearance (free play) connecting rod: | |
| - standard | 0,150 – 0,300 |
| - ultimate | 0,351 |
| Main bearing journal: | |
| - diameter | 60,988 – 61,001 |
| - maximum taper and ovality | 0,020 |
| Lubrication gap: | |
| - standard: | |
| • numbers 1 and 4 | 0,015 – 0,036 |
| • numbers 2 and 3 | 0,026 – 0,048 |
| - limit: | |
| • numbers 1 and 4 | 0,051 |
| • numbers 2 and 3 | 0,061 |
| Crankshaft free play: | |
| - standard | 0,041 – 0,241 |
| - ultimate | 0,300 |
| – thickness of the thrust washer | 1,931 – 1,981 |
| Cylinder block | |
| Maximum permissible deformation of the cylinder block surface | 0,071 |
| Cylinder diameter: | |
| - standard | 87,501 – 87,510 |
| - ultimate | 87,521 |
| Pistons piston rings | |
| Piston diameter (standard): | |
| - Aisin marking | 87,407 – 87,417 |
| - Mahle marking | 87,452 – 87,475 |
| Clearance between piston and cylinder: | |
| - standard: | |
| • aisin marking | 0,084– 0,107 |
| • mahle marking | 0,033 – 0,059 |
| - ultimate | |
| • aisin marking | 0,130 |
| • mahle marking | 0,079 |
| Piston ring end clearance: | |
| – upper compression ring: | |
| • standard | 0,249 – 0,351 |
| • ultimate | 0,950 |
| – middle compression ring: | |
| • standard | 0,351 – 0,450 |
| • ultimate | 1,049 |
| – oil scraper ring: | |
| • standard | 0,150 – 0,399 |
| • ultimate | 1,001 |
| Clearance between piston ring and side surface of ring groove: | |
| - the first ring | 0,020 – 0,071 |
| - the second ring | 0,020 – 0,061 |
Tightening torques for threaded connections, Nm
| Main bearing cap bolts | |
| – 12-point bolts: | |
| • step 1 | 22 |
| • step 2 | Tighten another 90° |
| Connecting rod cap nuts: | |
| - step 1 | 27 |
| - step 2 | Tighten another 90° |
| Insulating plate nuts | 14 |
The original article is on the portal (ToyotaMan)