Reassembly Service Point: Overview
- Metal scraper and oilstone can be used.
- Never use disk sander and brush or similar grinding tools.
- Can be used only washing liquid and paper towel.
- Prevent trash or fragments to come inside of CVT.
- Remove the FIPG from the mating surfaces of the CVT case and the convertor housing.
- Make the dowel pin and the locating hole clean, not to exist rust, trash or fragment.WARNING: When use the air blower or washing material, wear protective equipment which cover eyes and face.CAUTION:
- Pressure of the air blower must be less than 517 kPa (82.8 psi). (Reduce to suitable pressure if excessive.)
- When blowing air, never stand in front of the oil circuit.
- Wash the transaxle case, oil pump cover (dummy cover), hydraulic circuit of the CVT filter.NOTE: Wash the oil circuit with washing material (brake cleaner or suitable washing material) and air blower.CAUTION:
- Never stand in front of the oil circuit.
- Prevent scattering by the rags or the like.
- Make the attaching section of CVT filter and the oil circuit clean with washing material.CAUTION:
- Never stand in front of the oil circuit.
- Prevent scattering by the rags or the like.
- Wash each hydraulic circuit hole which on the attaching section of the control valve in the CVT case.CAUTION:
- Never stand in front of the oil circuit.
- Prevent scattering by the rags or the like.
- Wash each hydraulic circuit hole which on the attaching section of the dummy cover.
- Make the mating surfaces clean. (Scraper can be used.) Remove the sealant by oilstone.CAUTION:
- Never use disk sander or similar grinding tools.
- Can be used only brake cleaner or lint free towel.
- Prevent trash or fragments to come inside of CVT.
- Not to exist rust, trash or fragment on the dowel pin and the locating hole.
- Check the dowel pin remain on the transaxle case. If not, remove the dowel pin remained on side cover side and return on the transaxle case.
- Remove grease from the mating surfaces by washing liquid.
- Replace the O-ring on the transaxle case side to new one and install by petroleum jelly.
- Put new belt and pulley assembly horizontally and remove grease from the mating surfaces.
Weight of the belt and pulley assembly: Approx. 20 kg (44 lbs)
- Apply the sealant.
Specified sealant: Loctite® 509 or equivalent
NOTE:- Bead size approximately 2 mm (0.08 inch).
- Around bolt hole: Apply on inner rim.
- Between bolt holes: Apply on center of rim.
- A section of bead break: Apply additional coats around 3 - 5 mm (0.12 - 0.19 inch).
CAUTION: Be careful not to let the fluid adhere to the mating surfaces of the side cover and transaxle case. - Apply fluid to the tapered part of the pulley and the bearing.
- Set the manual lever of the transaxle case to "P" range and extend the parking rod to the maximum.CAUTION:
- Insert the tip of the parking rod while peeping into part A.
- Be careful not to interrupt the sealant by touching parts other than the mating surface.
- Install the transaxle case on belt and pulley assembly.
- Fit the dowel pin and set the "P" range to "N" range and then caulk the mating surface.NOTE:
- Possible to switch to each position range.
- Possible to turn the pulley by hand.
- Be locked with P range.
CAUTION: Temporarily tighten to the extent that mating surfaces do not float. - Tighten the side cover temporarily by two tightening new bolts.
- Install the convertor housing temporarily by three bolts.
- Upset the transaxle assembly and tighten the tightening bolts for side cover.
Tighten the new bolts in order shown illustration.
Tighten torque: 46 ± 1 N.m (34 ± 0.6 ft-lb)
- Upset the transaxle assembly and remove three bolts which are temporary installed on converter housing and then remove the converter housing.
- Temporary install new oil pump by using new hexagon socket head bolts.
- Install the new O-ring coated by CVT fluid to the hexagon bolt, then temporary install to the new oil pump.
- Tighten the hexagon socket head bolts and hexagon bolt.
Tightening torque
Hexagon socket head bolts: 19 ± 1 N.m (14 ± 0.7 ft-lb)
Hexagon bolt: 28 ± 2 N.m (21 ± 1 ft-lb)
- Install the new snap ring.NOTE: Put the ring into the groove.CAUTION: Colored plate is pulley side.
- Apply petroleum jelly to the thrust needle bearing, and install into the transaxle case.
- Install the planet carrier it to the transaxle case.CAUTION: Colored plate is planet carrier side.
- Apply petroleum jelly to the thrust needle bearing, and install into the sun gear under side.
- Install the sun gear into the planet carrier and thrust needle bearing.CAUTION: Colored plate is upside.
- Apply petroleum jelly to the thrust needle bearing, and install into the sun gear upper side.
- Install forward clutch assembly.NOTE:
- To confirm seal ring is surely installed in the groove entire circumference.
- How to confirm it is completely installed: Put straight bar horizontally on seating surface of the dummy cover, then confirm forward clutch drum is located lower than 1 - 3 mm (0.04 - 0.11 inch) than its seating surface of the dummy cover.
- If the clutch assembly is located higher than the seating surface of the dummy cover, pull out the parts and re-install from the carrier because it is not installed completely.
- Adjustment of total end play. (Select thrust bearing)NOTE:
- Adjust the total end play between forward clutch dram and dummy cover when change belt and pulley, to adjust the thickness of thrust bearing.
- There are 8 kinds of thickness of thrust bearing for the total end play adjustment.
- Conduct zero point adjustment of the depth gauge after clean up.
- Clean up the straight bar.
- Confirm the seating surface of transaxle case is cleaned.
- Calculate the average by measuring of 2 locations (D1) and (D2) of internal diameter depth of forward clutch (dimension D) by straight bar and depth gauge.
The calculated (measured) value "D" Calculating formula: D=(D1+D2)/2
CAUTION: Do not measure the higher place. - Clean up the seating surface of dummy cover.
- Put the dummy cover with the seating surface up.
- Put gauge on the side of thrust bearing of dummy cover.
- Calculate the average by measuring of 2 locations (H1) and (H2) of seating surface height of dummy cover (dimension H) by straight bar and depth gauge.
The calculated (measured) value "H" Calculating formula: H=(H1+H2)/2
- Select the thrust bearing to adjust the total end play (A).
- Calculate "A" (The value of the total end play)
- Total end play "A" = "D" - "H" (The thickness of thrust bearing)
- Measurement value of "D" ____ mm - Measurement value of "H" ____ mm = "A" ____ mm
- Select suitable bearing from following Table "A". (Eight kinds variations of the thickness)
- (e.g.) If "A" = 4.3 mm (0.169 inch), select 3.93 mm (0.155 inch) as the thickness of bearing.
- Measure the thickness of bearing to confirm if is it correct before installation.
Parts number "A"= "D" - "H" Value of a clearance mm (in) Thickness of bearing mm (in) 2721A028 3.87 - 4.07 (0.153 - 0.160) 3.57 (0.141) 2721A027 4.07 - 4.23 (0.161 - 0.166) 3.75 (0.148) 2721A026 4.23 - 4.43 (0.167 - 0.174) 3.93 (0.155) 2721A025 4.43 - 4.58 (0.175 - 0.180) 4.10 (0.161) 2721A024 4.58 - 4.78 (0.181 - 0.188) 4.28 (0.169) 2721A023 4.78 - 4.94 (0.189 - 0.194) 4.46 (0.176) 2721A022 4.94 - 5.09 (0.195 - 0.200) 4.61 (0.181) 2721A021 5.09 - 5.29 (0.201 - 0.208) 4.79 (0.189) CAUTION: Colored plate is forward clutch side.
- Apply petroleum jelly to the thrust needle bearing, and install into the forward clutch assembly.
- Check the three seal rings of input shaft whether it is on correct position.
- Check the two seal rings of dummy cover under side whether it is on correct position.
- Install the dummy cover and install the baffle plate C temporary (tightening by hand), then tighten the bolts.
Tightening torque: 19 ± 1 N.m (14 ± 0.7 ft-lb)
- Install the new O-ring coated by CVT fluid to the input shaft.
- Install the baffle plate B and L-bracket temporary (tightening by hand), then tighten the bolts.
Tightening torque:
Baffle plate B: 5.9 ± 1.0 N.m (52 ± 8 in-lb)
L-bracket: 26 ± 1 N.m (19 ± 0.5 ft-lb)
- Fit the click of the thrust washer to hole of the dummy cover and install.
- Hold the state of integrated the drive sprocket, driven sprocket and chain and install.CAUTION:
- Be careful the installment direction, because the drive sprocket is the different on both sides.
- Make sure the correct side of the drive sprocket, it is impossible to install a torque converter if it faces wrong side.
- Spread out the snap ring by snap ring plier and hold down the driven sprocket until touch the bottom. Then, take the snap ring pliers and raise the driven sprocket until the snap ring falls into a ditch.
- Lift up the driven sprocket and make confirm it will not fall off.
- Tighten the baffle plate A by two nuts.
Tightening torque: 5.9 ± 1.0 N.m (52 ± 8 in-lb)
CAUTION:- Make clean completely before installment.
- Apply the CVT fluid to the bearing and gear tooth surface before installment.
- Install the differential assembly and reduction gear assembly.
- Install the retaining pin whether it is at a prescribed position on the transaxle case before install the convertor housing.NOTE: Confirm the edge of pin not stick out from the height of mating surfaces of the transaxle case.
- Remove the bolts and baffle plate from the converter housing.
- Remove a bolt, bracket and lubrication tube.CAUTION: When blowing air, never stand in front of the oil circuit.
- Wash the hydraulic circuit of convertor housing and lubrication tube by brake cleaner or suitable washing material.
- Install the lubrication tube by bolt with spring washer.
Tightening torque: 5.9 ± 1.0 N.m (52 ± 8 in-lb)
- Install the baffle plate by bolts.
Tightening torque: 5.9 ± 1.0 N.m (52 ± 8 in-lb)
- Before apply the sealant, wash and remove grease from the mating surfaces, make sure not remain oil, stain or crud on mating surface.
- Apply the sealant to the converter housing mating surface on the transaxle case.
Specified sealant: Loctite® 509 or equivalent
NOTE:- To apply the liquid gasket following the track of the chart. Starting and ending point should be the middle location between bolt and bolt.
- Overlapping length to be 3 - 5 mm (0.12 - 0.19 inch).
- Do not forget to apply around the bolt in the middle of transaxle case.
- Install the convertor housing into transaxle and tighten new bolts (24 bolts) in the order shown.
Tightening torque: 46 ± 1 N.m (34 ± 0.6 ft-lb)
- Install new lip seal.
- If the oil strainer is type A, change to type B.
- Change to type B if the oil temperature sensor mounting bracket is type A.
- Procedure for replacing oil temperature sensor mounting bracket.
- With the control valve connector removed, cut the band fixing the oil temperature sensor to the bracket with the nipper.NOTE: Do not reuse the band.CAUTION:
- To stop the band of the oil temperature sensor, stop at the center of three notches.
- Cut the surplus part of the binding band tip.
- Fix the oil temperature sensor to the type B sensor mounting bracket with the binding band.
- With the control valve connector removed, cut the band fixing the oil temperature sensor to the bracket with the nipper.
- Install the fastening bolts of control valve assembly, and tighten the bolts.
Bolt symbol Shank length Quantity A 54 mm (2.1 in) 7 B 44 mm (1.7 in) 2 C 25 mm (1.0 in) 2 Tightening torque: 7.9 ± 1.0 N.m (70 ± 8 in-lb)
NOTE:- Tighten the oil temperature sensor mounting bracket and valve body together.
- When replacing the oil temperature sensor mounting bracket from type A to type B, do not install two brackets and oil strainer mounting bolts that were in this position.
- Connect the valve body harness connector.
- Apply petroleum jelly on the O-ring of oil strainer.
- Install the oil strainer, and tighten the fastening bolts to the specified torque.
Tightening torque: 7.9 ± 1.0 N.m (70 ± 8 in-lb)
CAUTION:- When tightening the manual plate fixing nut, tighten the nut in a state with the manual plate secured with a flathead screwdriver or the like. At this time, it is difficult to insert a flathead screwdriver in the gap of the manual plate. Therefore, once the manual plate is shifted counterclockwise, insert a flathead screwdriver in the formed gap and fix the manual plate. Then tighten the nut with specified torque.)
- Be careful of over torque.
- After the visual confirmation of the belt is completed, it is not necessary to hold the N range.
- Install the manual plate, washer and tighten the fastening nut to the specified torque.NOTE: Set the tipping part of manual plate to the notch of Manual valve.
Tightening torque: 22 ± 1 N.m (16 ± 0.5 ft-lb)
- Connect the CVT unit connector.
- Transaxle reassembly (Refer to Transaxle).