Automatic Transmission and A/T Differential
AUTOMATIC TRANSMISSION AND A/T DIFFERENTIAL SPECIFICATION
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| ATF (Automatic Transmission Fluid) | Capacity Use Acura ATF-Z1 | Fluid change | 3.0 L (3.2 US qt) | |
| Overhaul | 7.0 L (7.4 US qt) | |||
| ATF pressure | Line pressure | At 2, 000 RPM in N or P position | 900-960 kPa (9.2-9.8 kgf/cm2 , 130-140 psi) | 850 kPa (8.7 kgf/cm2 , 120 psi) |
| 5th clutch pressure | At 2, 000 RPM in D position | 890-970 kPa (9.1-9.9 kgf/cm2 , 130-140 psi) | 840 kPa (8.6 kgf/cm2 , 120 psi) | |
| 4th clutch pressure | At 2, 000 RPM in D position | 890-970 kPa (9.1-9.9 kgf/cm2 , 130-140 psi) | 840 kPa (8.6 kgf/cm2 , 120 psi) | |
| 3rd clutch pressure | At 2, 000 RPM in D position | 890-970 kPa (9.1-9.9 kgf/cm2 , 130-140 psi) | 840 kPa (8.6 kgf/cm2 , 120 psi) | |
| 2nd clutch pressure | At 2, 000 RPM in D position | 890-970 kPa (9.1-9.9 kgf/cm2 , 130-140 psi) | 840 kPa (8.6 kgf/cm2 , 120 psi) | |
| 1st clutch pressure | At 2, 000 RPM in L position | 890-970 kPa (9.1-9.9 kgf/cm2 , 130-140 psi) | 840 kPa (8.6 kgf/cm2 , 120 psi) | |
| 1st-hold clutch pressure | At 2, 000 RPM in L position | 760-830 kPa (7.7-8.5 kgf/cm2 , 110-120 psi) | 710 kPa (7.2 kgf/cm2 , 100 psi) | |
| Torque converter | Stall speed Check with vehicle on level ground | 2, 000 RPM | 1, 850-2, 150 RPM | |
| Clutch | Clutch end-plate-to-top-disc clearance | 1st | - | 1.1-1.3 mm (0.043-0.051 in.) |
| 2nd | 0.85-1.05 mm (0.033-0.041 in.) | |||
| 3rd | 0.7-0.9 mm (0.028-0.035 in.) | |||
| 4th, 5th | 0.55-0.75 mm (0.022-0.030 in.) | |||
| 1st-hold | - | 0.5-0.9 mm (0.020-0.035 in.) | ||
| Clutch return spring free length | 1st | 68.3 mm (2.69 in.) | 66.3 mm (2.61 in.) | |
| 2nd | 53.4 mm (2.10 in.) | 51.4 mm (2.02 in.) | ||
| 3rd | 52.0 mm (2.05 in.) | 50.0 mm (1.97 in.) | ||
| 4th | 33.5 mm (1.32 in.) | 31.5 mm (1.24 in.) | ||
| 5th | 37.4 mm (1.47 in.) | 35.4 mm (1.39 in.) | ||
| Clutch disc thickness | 1.94 mm (0.076 in.) | - | ||
| Clutch plate thickness | 1st, 2nd | 1.6 mm (0.063 in.) | When discolored | |
| 3rd, 4th | 2.3 mm (0.091 in.) | When discolored | ||
| 5th | 2.0 mm (0.079 in.) | When discolored | ||
| 1st-hold | 1.8 mm (0.071 in.) | When discolored | ||
| 1st clutch end plate thickness | Mark 1 | 3.1 mm (0.122 in.) | When discolored | |
| Mark 2 | 3.2 mm (0.126 in.) | When discolored | ||
| Mark 3 | 3.3 mm (0.130 in.) | When discolored | ||
| Mark 4 | 3.4 mm (0.134 in.) | When discolored | ||
| Mark 5 | 3.5 mm (0.138 in.) | When discolored | ||
| Mark 6 | 3.6 mm (0.142 in.) | When discolored | ||
| Mark 7 | 3.7 mm (0.146 in.) | When discolored | ||
| Mark 8 | 3.8 mm (0.150 in.) | When discolored | ||
| Mark 9 | 3.9 mm (0.154 in.) | When discolored | ||
| 1st-hold clutch end plate thickness | 5.0 mm (0.197 in.) | When discolored | ||
| 2nd clutch end plate thickness | Mark 1 | 2.1 mm (0.083 in.) | When discolored | |
| Mark 2 | 2.2 mm (0.087 in.) | When discolored | ||
| Mark 3 | 2.3 mm (0.091 in.) | When discolored | ||
| Mark 4 | 2.4 mm (0.094 in.) | When discolored | ||
| Mark 5 | 2.5 mm (0.098 in.) | When discolored | ||
| Mark 6 | 2.6 mm (0.102 in.) | When discolored | ||
| Mark 7 | 2.7 mm (0.106 in.) | When discolored | ||
| Mark 8 | 2.8 mm (0.110 in.) | When discolored | ||
| Mark 9 | 2.9 mm (0.114 in.) | When discolored | ||
| 3rd clutch end plate thickness | Mark 1 | 2.1 mm (0.083 in.) | When discolored | |
| Mark 2 | 2.2 mm (0.087 in.) | When discolored | ||
| Mark 3 | 2.3 mm (0.091 in.) | When discolored | ||
| Mark 4 | 2.4 mm (0.094 in.) | When discolored | ||
| Mark 5 | 2.5 mm (0.098 in.) | When discolored | ||
| Mark 6 | 2.6 mm (0.102 in.) | When discolored | ||
| Mark 7 | 2.7 mm (0.106 in.) | When discolored | ||
| Mark 8 | 2.8 mm (0.110 in.) | When discolored | ||
| Mark 9 | 2.9 mm (0.114 in.) | When discolored | ||
| Mark 10 | 3.0 mm (0.118 in.) | When discolored | ||
| Mark 11 | 3.1 mm (0.122 in.) | When discolored | ||
| 4th and 5th clutch end plate thickness | Mark 1 | 2.1 mm (0.083 in.) | When discolored | |
| Mark 2 | 2.2 mm (0.087 in.) | When discolored | ||
| Mark 3 | 2.3 mm (0.091 in.) | When discolored | ||
| Mark 4 | 2.4 mm (0.094 in.) | When discolored | ||
| Mark 5 | 2.5 mm (0.098 in.) | When discolored | ||
| Mark 6 | 2.6 mm (0.102 in.) | When discolored | ||
| Mark 7 | 2.7 mm (0.106 in.) | When discolored | ||
| Mark 8 | 2.8 mm (0.110 in.) | When discolored | ||
| Mark 9 | 2.9 mm (0.114 in.) | When discolored | ||
| ATF pump | Stator shaft needle bearing contact I.D. | Torque converter side | 27.000-27.021 mm (1.0630-1.0638 in.) | When worn or damaged |
| ATF pump side | 29.000-29.021 mm (1.1417-1.1426 in.) | When worn or damaged | ||
| ATF pump gear thrust clearance | 0.03-0.06 mm (0.001-0.002 in.) | 0.07 mm (0.003 in.) | ||
| ATF pump gear-to-body clearance | Drive gear | 0.210-0.265 mm (0.0083-0.0104 in.) | - | |
| Driven gear | 0.070-0.125 mm (0.0028-0.0049 in.) | - | ||
| ATF pump driven gear I.D. | 14.016-14.034 mm (0.5518-0.5525 in.) | When worn or damaged | ||
| ATF pump driven gear shaft O.D. | 13.980-13.990 mm (0.5504-0.5508 in.) | When worn or damaged | ||
| Reverse shift fork | Fork finger thickness | 5.90-6.00 mm (0.232-0.236 in.) | 5.40 mm (0.213 in.) | |
| Park gear and pawl | - | - | When worn or damaged | |
| Servo body | Shift fork shaft bore I.D. | 14.000-14.010 mm (0.5512-0.5516 in.) | - | |
| Shift fork shaft valve bore I.D. | 37.000-37.039 mm (1.4567-1.4582 in.) | 37.045 mm (1.4585 in.) | ||
| Regulator valve body | Sealing ring contact I.D. | 32.000-32.025 mm (1.2598-1.2608 in.) | 32.050 mm (1.2618 in.) | |
| Accumulator body | Sealing ring contact I.D. | 35.000-35.025 mm (1.3780-1.3789 in.) | 35.05 mm (1.3799 in.) | |
| Stator shaft | Sealing ring contact I.D. | 29.000-29.021 mm (1.1417-1.1426 in.) | 29.050 mm (1.1437 in.) | |
| Mainshaft | Diameter of needle bearing contact area | At stator shaft | 22.984-23.000 mm (0.9049-0.9055 in.) | When worn or damaged |
| At 4th gear | 52.975-52.991 mm (2.0856-2.0863 in.) | When worn or damaged | ||
| At 5th gear collar | 33.975-33.991 mm (1.3376-1.3382 in.) | When worn or damaged | ||
| I.D. of 4th gear | 59.000-59.019 mm (2.3228-2.3236 in.) | When worn or damaged | ||
| I.D. of 5th gear | 40.000-40.016 mm (1.5748-1.5754 in.) | When worn or damaged | ||
| End play of 4th gear | 0.03-0.31 mm (0.001-0.012 in.) | - | ||
| End play of 5th gear | 0.10-0.22 mm (0.004-0.009 in.) | - | ||
| 41 x 73 mm thrust shim thickness | No. 1 | 7.85 mm (0.309 in.) | When worn or damaged | |
| No. 2 | 7.90 mm (0.311 in.) | When worn or damaged | ||
| No. 3 | 7.95 mm (0.313 in.) | When worn or damaged | ||
| No. 4 | 8.00 mm (0.315 in.) | When worn or damaged | ||
| No. 5 | 8.05 mm (0.317 in.) | When worn or damaged | ||
| No. 6 | 8.10 mm (0.319 in.) | When worn or damaged | ||
| Thrust washer thickness | 27 x 47 x 5 mm | 5.00 mm (0.197 in.) | When worn or damaged | |
| Length of 5th gear collar | 58.5-58.6 mm (2.303-2.307 in.) | - | ||
| 5th gear collar flange thickness | 4.45-4.60 mm (0.175-0.181 in.) | When worn or damaged | ||
| Sealing ring thickness | 32 mm sealing ring | 1.87-1.97 mm (0.074-0.078 in.) | 1.800 mm (0.071 in.) | |
| 29 mm sealing ring | 1.87-1.97 mm (0.074-0.078 in.) | 1.800 mm (0.071 in.) | ||
| Width of sealing ring groove | 2.025-2.060 mm (0.080-0.081 in.) | 2.080 mm (0.082 in.) | ||
| Clutch feed pipe O.D. | 4th clutch | 5.97-5.98 mm (0.2350-0.2354 in.) | 5.95 mm (0.2343 in.) | |
| 5th clutch | 11.47-11.48 mm (0.4516-0.4520 in.) | 11.45 mm (0.4508 in.) | ||
| Clutch feed pipe bushing I.D. | 4th clutch | 6.018-6.030 mm (0.2369-0.2374 in.) | 6.045 mm (0.2380 in.) | |
| 5th clutch | 11.500-11.518 mm (0.4528-0.4535 in.) | 11.530 mm (0.4539 in.) | ||
| Countershaft | Diameter of needle bearing contact area | At 5th gear | 34.975-34.991 mm (1.3770-1.3776 in.) | When worn or damaged |
| At 2nd gear | 39.979-40.000 mm (1.574-1.575 in.) | When worn or damaged | ||
| At park gear | 41.964-41.980 mm (1.6521-1.6528 in.) | When worn or damaged | ||
| At right end | 38.505-38.515 mm (1.5159-1.5163 in.) | When worn or damaged | ||
| I.D. of 5th gear | 41.000-41.016 mm (1.6142-1.6148 in.) | When worn or damaged | ||
| I.D. of 3rd gear | 50.000-50.016 mm (1.9685-1.9691 in.) | When worn or damaged | ||
| I.D. of reverse gear | 46.000-46.016 mm (1.8110-1.8116 in.) | When worn or damaged | ||
| End play of 1st gear | 0.00-0.33 mm (0.000-0.013 in.) | - | ||
| End play of 5th gear | 0.04-0.27 mm (0.002-0.011 in.) | - | ||
| End play of 3rd gear | 0.015-0.045 mm (0.0006-0.0018 in.) | - | ||
| End play of reverse gear | 0.10-0.25 mm (0.004-0.010 in.) | - | ||
| 31 x 63.5 x 8.5 mm splined washer difference | A | 3.503-3.515 mm (0.1379-0.1384 in.) | When worn or damaged | |
| B | 3.490-3.502 mm (0.1374-0.1379 in.) | When worn or damaged | ||
| C | 3.477-3.489 mm (0.1369-0.1374 in.) | When worn or damaged | ||
| D | 3.464-3.476 mm (0.1364-0.1369 in.) | When worn or damaged | ||
| Length of distance collar | 35 x 47 x 45.6 mm | 45.56-45.60 mm (1.794-1.795 in.) | - | |
| 35 x 47 x 7.8 mm | 5.92-5.96 mm (0.2330-0.235 in.) | - | ||
| Cotter thickness | 1.99-2.02 mm (0.078-0.080 in.) | - | ||
| Reverse selector hub O.D. | 55.87-55.90 mm (2.1996-2.2008 in.) | When worn or damaged | ||
| Clutch feed pipe O.D. | 8.97-8.98 mm (0.353-0.354 in.) | 8.95 mm (0.352 in.) | ||
| Clutch feed pipe bushing I.D. | 9.000-9.015 mm (0.354-0.355 in.) | 9.030 mm (0.356 in.) | ||
| Secondary shaft | Diameter of needle bearing contact area | At 1st gear | 37.978-37.993 mm (1.4951-1.4958 in.) | When worn or damaged |
| At 2nd gear | 33.986-33.999 mm (1.3380-1.3385 in.) | When worn or damaged | ||
| I.D. of 1st gear | 44.000-44.016 mm (1.7323-1.7329 in.) | When worn or damaged | ||
| I.D. of 2nd gear | 40.000-40.016 mm (1.5748-1.5754 in.) | When worn or damaged | ||
| End play of 1st gear | 0.07-0.15 mm (0.003-0.006 in.) | - | ||
| End play of 2nd gear | 0.04-0.12 mm (0.002-0.005 in.) | - | ||
| 38 x 56.5 mm splined washer thickness | No. 1 | 6.85 mm (0.270 in) | When worn or damaged | |
| No. 2 | 6.90 mm (0.272 in.) | When worn or damaged | ||
| No. 3 | 6.95 mm (0.274 in.) | When worn or damaged | ||
| No. 4 | 7.00 mm (0.276 in.) | When worn or damaged | ||
| No. 5 | 7.05 mm (0.278 in.) | When worn or damaged | ||
| No. 6 | 7.10 mm (0.280 in.) | When worn or damaged | ||
| 37 x 55 mm thrust shim thickness | No. 1 | 4.90 mm (0.193 in.) | When worn or damaged | |
| No. 2 | 4.95 mm (0 195 in.) | When worn or damaged | ||
| No. 3 | 5.00 mm (0.197 in.) | When worn or damaged | ||
| No. 4 | 5.05 mm (0.199 in.) | When worn or damaged | ||
| No. 5 | 5.10 mm (0.201 in.) | When worn or damaged | ||
| No. 6 | 5.15 mm (0.203 in.) | When worn or damaged | ||
| No. 7 | 5.20 mm (0.205 in.) | When worn or damaged | ||
| Cotter thickness | 1.99-2.02 mm (0.078-0.080 in.) | - | ||
| Sealing ring thickness | 1.890-1.950 mm (0.074-0.077 in.) | 1.800 mm (0.071 in.) | ||
| Width of sealing ring groove | 2.025-2.060 mm (0.080-0.081 in.) | 2.080 mm (0.082 in.) | ||
| Clutch feed pipe O.D. | 7.97-7.98 mm (0.3138-0.3142 in.) | 7.95 mm (0.3130 in.) | ||
| Clutch feed pipe bushing I.D. | 8.000-8.015 mm (0.3150-0.3156 in.) | 8.030 mm (0.3161 in.) | ||
| Reverse idler gear | Diameter of needle bearing contact area | At reverse idler gear shaft | 13.990-14 000 mm (0.5508-0.5512 in.) | When worn or damaged |
| End play | 0.06-0.38 mm (0.002-0.015 in.) | - | ||
| I.D. | 18.007-18.020 mm (0.7089-0.7094 in.) | When worn or damaged | ||
| Thrust washer thickness | Transmission housing side | 0.96-1.04 mm (0.038-0.041 in.) | - | |
| Reverse idler gear shaft holder side | 0.97-1.05 mm (0.038-0.041 in.) | - | ||
| I.D. of reverse idler gear shaft holder | 14.006-14.024 mm (0.5514-0.5521 in.) | When worn or damaged | ||
| I.D. of transmission housing of reverse idler gear shaft contact area | 14.006-14.024 mm (0.5514-0.5521 in.) | - | ||
AUTOMATIC TRANSMISSION AND A/T DIFFERENTIAL SPECIFICATION
| Item | Measurement | Standard or New | |||
|---|---|---|---|---|---|
| Wire Diameter | O.D. | Free Length | No. of Coils | ||
| Main valve body spring | Shift valve D spring | 0.71 mm (0.028 in.) | 6.6 mm (0.260 in.) | 33.7 mm (1.327 in.) | 12.6 |
| Shift valve C spring | 0.8 mm (0.031 in.) | 6.6 mm (0.260 in.) | 49.1 mm (1.933 in.) | 21.7 | |
| Kick-down valve spring | 0.8 mm (0.031 in.) | 6.6 mm (0.260 in.) | 49.1 mm (1.933 in.) | 21.7 | |
| Modulator valve spring | 1.6 mm (0.063 in.) | 10.4 mm (0.409 in.) | 33.5 mm (1.319 in.) | 9.8 | |
| Relief valve spring | 1.2 mm (0.047 in.) | 11.1 mm (0.437 in.) | 39.0 mm (1.535 in.) | 9.9 | |
| Lock-up shift valve spring | 0.9 mm (0.035 in.) | 7.6 mm (0.299 in.) | 63.0 mm (2.480 in.) | 22.4 | |
| Cooler check valve spring | 0.6 mm (0.024 in.) | 5.8 mm (0.228 in.) | 14.5 mm (0.571 in.) | 6.8 | |
| Torque converter check valve spring | 1.2 mm (0.047 in.) | 8.6 mm (0.339 in.) | 34.4 mm (1.354 in.) | 11.7 | |
| Servo control valve spring | 0.9 mm (0.035 in.) | 6.4 mm (0.252 in.) | 32.5 mm (1.280 in.) | 17.5 | |
| Reverse CPC valve spring | 0.7 mm (0.028 in.) | 6.1 mm (0.240 in.) | 17.8 mm (0.701 in.) | 7.9 | |
| Regulator valve body spring | Stator reaction spring | 4.5 mm (0.177 in.) | 35.4 mm (1.394 in.) | 30.3 mm (1.193 in.) | 1.92 |
| Regulator valve spring A | 1.9 mm (0.075 in.) | 14.7 mm (0.579 in.) | 80.6 mm (3.173 in.) | 16.1 | |
| Regulator valve spring B | 1.6 mm (0.063 in.) | 9.2 mm (0.362 in.) | 44.0 mm (1.732 in.) | 12.5 | |
| Lock-up control valve spring | 0.71 mm (0.028 in.) | 6.6 mm (0.260 in.) | 42.9 mm (1.689 in.) | 15.3 | |
| Lock-up timing valve spring | 0.64 mm (0.025 in.) | 6.6 mm (0.260 in.) | 34.8 mm (1.370 in.) | 14.1 | |
| Servo body spring | CPC valve B spring | 0.7 mm (0.028 in.) | 6.1 mm (0.240 in.) | 17.8 mm (0.701 in.) | 7.9 |
| CPC valve A spring | 0.7 mm (0.028 in.) | 6.1 mm (0.240 in.) | 17.8 mm (0.701 in.) | 7.9 | |
| Shift valve B spring | 0.8 mm (0.031 in.) | 6.6 mm (0.260 in.) | 49.1 mm (1.933 in.) | 21.7 | |
| Shift valve A spring | 0.8 mm (0.031 in.) | 6.6 mm (0.260 in.) | 49.1 mm (1.933 in.) | 21.7 | |
| Top accumulator body spring (see TOP ACCUMULATOR BODY DISASSEMBLY, INSPECTION, AND REASSEMBLY ) | Shift valve E spring | 0.8 mm (0.031 in.) | 7.1 mm (0.280 in.) | 49.0 mm (1.929 in.) | 17.2 |
| CPC valve C spring | 0.7 mm (0.028 in.) | 6.1 mm (0.240 in.) | 17.8 mm (0.701 in.) | 7.9 | |
| 5th accumulator spring A | 2.2 mm (0.087 in.) | 16.4 mm (0.646 in.) | 75.7 mm (2.980 in.) | 14.2 | |
| 5th accumulator spring B | 2.0 mm (0.079 in.) | 10.0 mm (0.394 in.) | 45.5 mm (1.791 in.) | 11.6 | |
| 4th/1st-hold accumulator spring | 3.4 mm (0.134 in.) | 19.6 mm (0.772 in.) | 57.4 mm (2.260 in.) | 8.4 | |
| Accumulator body spring (see ACCUMULATOR BODY DISASSEMBLY, INSPECTION, AND REASSEMBLY ) | 1st accumulator spring B | 2.3 mm (0.091 in.) | 12.6 mm (0.496 in.) | 42.0 mm (1.654 in.) | 9.9 |
| 1st accumulator spring A | 2.4 mm (0.094 in.) | 19.5 mm (0.768 in.) | 67.7 mm (2.665 in.) | 10.2 | |
| 2nd accumulator spring B | 2.6 mm (0.102 in.) | 13.0 mm (0.512 in.) | 44.0 mm (1.732 in.) | 9.0 | |
| 2nd accumulator spring A | 2.5 mm (0.098 in.) | 19.6 mm (0.772 in.) | 57.7 mm (2.272 in.) | 9.5 | |
| 3rd accumulator spring (see 3RD ACCUMULATOR AND END COVER DISASSEMBLY, INSPECTION, AND REASSEMBLY ) | 3rd accumulator spring | 3.1 mm (0.122 in.) | 19.6 mm (0.772 in.) | 39.4 mm (1.551 in.) | 5.5 |
AUTOMATIC TRANSMISSION AND A/T DIFFERENTIAL SPECIFICATION
| Item | Measurement | Qualification | Standard or New | Service Limit |
|---|---|---|---|---|
| A/T differential carrier | Pinion shaft contact area I.D. | 18.010-18.028 mm (0.7091-0.7098 in.) | - | |
| Carrier-to-pinion shaft clearance | 0.023-0.057 mm (0.0009-0.0022 in.) | 0.1 mm (0.004 in.) | ||
| Driveshaft contact area I.D. | 30.025-30.055 mm (1.182-1.183 in.) | - | ||
| Carrier-to-driveshaft clearance | 0.045-0.096 mm (0.002-0.004 in.) | 0.12 mm (0.005 in.) | ||
| Carrier-to-intermediate shaft clearance | 0.080-0.126 mm (0.003-0.005 in.) | - | ||
| Tapered roller bearing starting torque (preload) | For new bearing | 2.9-4.1 N.m (30-42 kgf.cm, 26-37 lbf.in.) | Adjust | |
| For used bearing | 2.7-3.8 N.m (27-39 kgf.cm, 23-34 lbf.in.) | Adjust | ||
| A/T differential pinion gear | Backlash | 0.05-0.15 mm (0.002-0.006 in.) | - | |
| I.D. | 18.042-18.066 mm (0.7103-0.7113 in.) | - | ||
| Pinion gear-to-pinion shaft clearance | 0.055-0.095 mm (0.0022-0.0037 in.) | 0.12 mm (0.005 in.) |