Pistons and connecting rods – seals
- Make
- Alfa Romeo
- Model
- 159 Factory Service Manual
- Year
- 2005–2011
- Section
- Engine unit › Pistons and connecting rods – seals
Manufacturing data and tolerancesPistons and connecting rods – seals
PISTONS AND CONNECTING RODS – SEALS
| Measurement | Value | Validity |
|---|---|---|
| Cylinder compression 1st piston ring gap | 0.20 - 0.350 mm | 1.9 JTS 2.2 JTS |
| Cylinder compression 1st piston ring gap | 0.20 - 0.35 mm | 1.9 JTD 16V 2.4 JTD 20V |
| Cylinder compression 1st piston ring gap | 0.20 - 0.35 mm | 1.9 JTD 8V |
| Cylinder compression 1st piston ring gap | 0.200 - 0.350 mm | 3.2 JTS |
| Cylinder compression 1st piston ring gap | 0.20 - 0.40 mm | 1.8 |
| Cylinder compression 2nd piston ring gap | 0.35 - 0.55 mm | 1.9 JTS 2.2 JTS |
| Cylinder compression 2nd piston ring gap | 0.60 - 0.80 mm | 1.9 JTD 16V 2.4 JTD 20V |
| Cylinder compression 2nd piston ring gap | 0.25 - 0.50 mm | 1.9 JTD 8V |
| Cylinder compression 2nd piston ring gap | 3.2 JTS | |
| Cylinder compression 2nd piston ring gap | 0.40 - 0.60 mm | 1.8 |
| Piston oil scraper ring gap | 0.25 - 0.50 mm | 1.9 JTD 16V 2.4 JTD 20V |
| Piston oil scraper ring gap | 0.250 - 0.750 mm | 3.2 JTS |
| Piston oil scraper ring gap | 0.25 - 0.50 mm | 1.9 JTD 8V |
| Piston oil scraper ring gap | 0.25 - 0.75 mm | 1.8 |
| Piston oil scraper ring gap | 0.25 - 0.76 mm | 1.9 JTS 2.2 JTS |
| Piston oil scraper ring gap | 0.38 ÷ 1.150 | 1.9 JTS 2.2 JTS |
| Piston ring seat in piston - 1st groove | 2.080 ÷ 2.100 | 1.9 JTD 8V |
| Piston ring seat in piston - 2nd groove | 2.020 ÷ 2.040 | 1.9 JTD 8V |
| Piston ring seat in piston - 3rd groove | 2.020 ÷ 2.040 | 1.9 JTD 8V |
| Cylinder compression 1st piston ring thickness | 1.17 - 1.19 mm | 1.9 JTS 2.2 JTS |
| Cylinder compression 1st piston ring thickness | 1.970 - 1.995 mm | 1.9 JTD 8V |
| Cylinder compression 1st piston ring thickness | 1.170 - 1.190 mm | 1.8 |
| Cylinder compression 2nd piston ring thickness | 1.47 - 1.49 mm | 1.9 JTS 2.2 JTS |
| Cylinder compression 2nd piston ring thickness | 1.970 - 1.995 mm | 1.9 JTD 8V |
| Cylinder compression 2nd piston ring thickness | 1.170 - 1.190 mm | 1.8 |
| Piston oil scraper ring thickness | 0.986 - 1.960 mm | 1.9 JTS 2.2 JTS |
| Piston oil scraper ring thickness | 1.970 - 1.990 mm | 1.9 JTD 8V |
| Piston oil scraper ring thickness | 1.90 - 1.98 mm | 1.8 |
| Cylinder compression 1st piston ring endfloat | 0.040 - 0.080 mm | 1.9 JTS 2.2 JTS |
| Cylinder compression 1st piston ring endfloat | 0.105 - 0.150 mm | 1.9 JTD 16V 2.4 JTD 20V |
| Cylinder compression 1st piston ring endfloat | 0.085 - 0.130 mm | 1.9 JTD 8V |
| Cylinder compression 1st piston ring endfloat | 0.030 - 0.065 mm | 3.2 JTS |
| Cylinder compression 1st piston ring endfloat | 0.04 - 0.08 mm | 1.8 |
| Cylinder compression 2nd piston ring endfloat | 0.030 - 0.068 mm | 1.9 JTS 2.2 JTS |
| Cylinder compression 2nd piston ring endfloat | 0.050 - 0.090 mm | 1.9 JTD 16V 2.4 JTD 20V |
| Cylinder compression 2nd piston ring endfloat | 0.025 - 0.070 mm | 1.9 JTD 8V |
| Cylinder compression 2nd piston ring endfloat | 0.015 - 0.060 mm | 3.2 JTS |
| Cylinder compression 2nd piston ring endfloat | 0.03 - 0.07 mm | 1.8 |
| Engine piston oil scraper ring endfloat | 0.063 - 0.172 mm | 1.9 JTS 2.2 JTS |
| Engine piston oil scraper ring endfloat | 0.030 - 0.070 mm | 1.9 JTD 16V 2.4 JTD 20V |
| Engine piston oil scraper ring endfloat | 0.030 - 0.070 mm | 1.9 JTD 8V |
| Engine piston oil scraper ring endfloat | 0.030 - 0.170 mm | 3.2 JTS |
| Engine piston oil scraper ring endfloat | 0.20 - 0.35 mm | 1.8 |
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