Precautions for Disassembly and Reassembly
Precautions: Precautions for Diagnosing Trouble · Precautions for Transmission / Transaxle · General safety (00)
When repairing Automatic Transaxle (A/T), it is necessary to conduct the on-vehicle test to investigate where the cause of the trouble lies first.
Then whether overhaul should be done or not is determined. If the transaxle is disassembled without such preliminary procedure, not only the cause of the trouble would be unknown, but also a secondary trouble may occur and unexpectedly longer time would be wasted.
As the A/T consists of high precision component, the following cautions should be strictly observed when handling its parts in disassembly and reassembly.
•Disassembly of valve body assembly is prohibited. If the valve body or each solenoid is found to be faulty, replace the entire assembly.
•Disassembly of forward clutch, direct clutch or reverse clutch is prohibited.
If the stroking test result is out of the specified value, replace the clutch as an assembly.
•Wash dirt off from the transaxle so that no such dirt will enter the transaxle during dismounting and remounting.
•When overhauling, select a clean place free from dust and dirt.
•Place a rubber mat on a workbench to protect parts from damage.
•When wiping internal parts of A/T, use lint-free paper, not cloth or rags.
•When separating the case joint, do not pry with a flat-bladed screwdriver or the like, but tap with a plastic hammer lightly.
•Wash the disassembled parts in Automatic Transaxle Fluid (ATF) or kerosene (using care not to allow ATF or kerosene to get on your face, etc.) and check that each fluid passage is not clogged by blowing air into it. But use kerosene to wash the discs, resin washers and rubber parts.
•Replace each gasket, oil seal and O-ring with a new one.
•Apply ATF to sliding or rotating parts before reassembly.
•Keep component parts in group for each subassembly and avoid mixing them up.
•Clean all parts with cleaning solvent thoroughly and air-dry them.
•Keep face and eyes away from solvent spray while air blowing parts.
•Check mating surface for irregularities and remove them, if any, and clean it again.
•Apply ATF to all O-rings.
•When installing seal ring, be careful so that it is not expanded excessively, extruded or caught.
•Replace oil seals that are removed and apply grease to their lips.
•Always use torque wrench when tightening bolts.
•A set of new discs and a new band brake should be soaked in ATF at least 2 hours before use.
•Disassembly of forward clutch, direct clutch or reverse clutch is prohibited.
If the stroking test result is out of the specified value, replace the clutch as an assembly.
•Wash dirt off from the transaxle so that no such dirt will enter the transaxle during dismounting and remounting.
•When overhauling, select a clean place free from dust and dirt.
•Place a rubber mat on a workbench to protect parts from damage.
•When wiping internal parts of A/T, use lint-free paper, not cloth or rags.
•When separating the case joint, do not pry with a flat-bladed screwdriver or the like, but tap with a plastic hammer lightly.
•Wash the disassembled parts in Automatic Transaxle Fluid (ATF) or kerosene (using care not to allow ATF or kerosene to get on your face, etc.) and check that each fluid passage is not clogged by blowing air into it. But use kerosene to wash the discs, resin washers and rubber parts.
•Replace each gasket, oil seal and O-ring with a new one.
•Apply ATF to sliding or rotating parts before reassembly.
•Keep component parts in group for each subassembly and avoid mixing them up.
•Clean all parts with cleaning solvent thoroughly and air-dry them.
•Keep face and eyes away from solvent spray while air blowing parts.
•Check mating surface for irregularities and remove them, if any, and clean it again.
•Apply ATF to all O-rings.
•When installing seal ring, be careful so that it is not expanded excessively, extruded or caught.
•Replace oil seals that are removed and apply grease to their lips.
•Always use torque wrench when tightening bolts.
•A set of new discs and a new band brake should be soaked in ATF at least 2 hours before use.