1997 MAZDA MX-5 wheel torque

Installation (B2300, B2500, B3000 & B4000)
1. Lightly coat input shaft splines, release bearing, and fork contact areas with molybdenum disulfide
grease. Align clutch cover dowel holes with flywheel dowels. Tighten clutch cover bolts evenly in a
crisscross pattern to specification. See TORQUE SPECIFICATIONS
.
2. Raise transmission into position. Install and tighten transmission-to-engine block bolts. See TORQUE
SPECIFICATIONS . Install crossmember.
3. On 4WD models, install NEW transfer case gasket. Install transfer case. Tighten transfer case bolts to
specification is sequence. See Fig. 3
. See TORQUE SPECIFICATIONS .
4. On all models, to complete installation, reverse removal procedure. Bleed hydraulic clutch system. See
HYDRAULIC SYSTEM BLEEDING
under ADJUSTMENTS.
Fig. 3: Tightening Transfer Case Bolts (B2300, B2500, B3000 & B4000)

Courtesy of MAZDA MOTORS CORP.
Removal (Miata)
1. Disconnect negative battery cable. Remove gearshift knob, console, and shift lever. See Fig. 4. Raise and
support vehicle. Remove engine undercover. Disconnect exhaust pipe from manifold. Mark drive shaft
flanges for installation reference. Remove drive shaft.

1997 Mazda MX-5 Miata
CLUTCH 1997-98 CLUTCHES Mazda - RWD
Microsoft
Sunday, July 05, 2009 1:36:47 PMPage 5 © 2005 Mitchell Repair Information Company, LLC.

Installation (Miata)
1. Lightly coat input shaft splines, release bearing, and fork contact areas with molybdenum disulfide
grease. Align clutch cover dowel holes with flywheel dowels. Tighten clutch cover bolts evenly in a
crisscross pattern to specification. See TORQUE SPECIFICATIONS
.
2. Place a wooden block on jack, and position jack under front of oil pan. Raise front of engine to ease
transmission installation. Install transmission. Tighten transmission-to-engine block bolts to specification.
See TORQUE SPECIFICATIONS
. Place jack (from front of engine) under transmission.
3. Raise transmission until level with engine. Position Power Plant Frame (PPF) in place. Install
PPF/differential mounting spacer, and tighten bolts to 27-38 ft. lbs. (37-51 N.m). Install and tighten PPF
side mounting bolts.
4. Install sleeve into PPF housing block. Install spacer and bolts. Install reamer bolt into front hole, and
tighten bolt. See Fig. 5
.
5. Install transmission-to-PPF bracket. Install remaining PPF bolts, and tighten to specification. See
TORQUE SPECIFICATIONS
. To complete installation, reverse removal procedure.
RELEASE BEARING & FORK
Removal (B2300, B2500, B3000 & B4000)
With transmission removed, twist release bearing and carrier assembly until preload spring pushes bearing
assembly from slave cylinder. See Fig. 8
.
Installation
Lubricate bearing bore and bearing carrier with NIGI No. 2 (lithium base) grease. Push release bearing
assembl
y onto clutch slave cylinder. NOTE: Front PPF-to-differential side mounting bolt is the reamer bolt, used to
align frame.
NOTE: Use only lithium base grease on release bearing. DO NOT use petroleum base
lubricants.

1997 Mazda MX-5 Miata
CLUTCH 1997-98 CLUTCHES Mazda - RWD
Microsoft
Sunday, July 05, 2009 1:36:47 PMPage 10 © 2005 Mitchell Repair Information Company, LLC.

Fig. 11: Exploded View Of Clutch Release Cylinder (Miata)
Courtesy of MAZDA MOTORS CORP.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS NOTE: Use exploded view of clutch release cylinder for overhaul procedure. See Fig.
11 .
ApplicationFt. Lbs. (N.m)
B2300, B2500, B3000 & B4000
Clutch Cover Bolts (1) 17-24 (23-32)
Crossmember Nuts39-53 (53-72)
Drive Shaft Bolts65-87 (88-119)
Flywheel-To-Crankshaft Nuts54-67 (73-91)
Gearshift Lever Bolt20-30 (27-40)
Starter Mounting Bolts17-20 (23-27)
Transfer Case Bolts (4WD) (2) 35-46 (47-62)
Transmission-To-Engine Block Bolts37-50 (50-68)
Miata
Clutch Cover Bolts (1) 13-19 (18-26)
Drive Shaft Nuts37-43 (50-58)
Flywheel-To-Crankshaft Bolts71-76 (96-103)
PPF-To-Differential Mounting Spacer Bolt (Short)27-38 (37-51)
PPF-To-Differential Side Mounting Bolts (Long)77-91 (104-123)
PPF-To-PPF Bracket Bolt27-40 (37-54)

1997 Mazda MX-5 Miata
CLUTCH 1997-98 CLUTCHES Mazda - RWD
Microsoft
Sunday, July 05, 2009 1:36:47 PMPage 15 © 2005 Mitchell Repair Information Company, LLC.

Fig. 4: Installing Oil Seal (MPV)
Courtesy of MAZDA MOTORS CORP.
9. Install the companion flange and tighten the locknut to get the starting torque measured in step 4 .
10. Install the drive shaft. Tighten bolts to specfiication. See TORQUE SPECIFICATIONS
. Add
differential oil to the specified level. SeeFLUID TYPE
.
REAR AXLE SHAFTS & BEARINGS
Removal (MPV)
1. Raise and support vehicle. Remove rear wheel and tire assembly. Remove brake caliper and support
aside. Remove brake disc plate. See Fig. 5
. Using dial indicator, measure axle bearing play. Replace axle
bearing if play exceeds .023" (.57 mm).
2. Remove hold pin from parking brake shoe assembly and remove parking brake shoe assembly.
Disconnect parking brake cable. Using Flare Nut Wrench (49-0259-770B), disconnect brake pipe. Plug
brake pipe openings.
3. Remove rear axle shaft assembly-to-axle shaft housing retaining nuts. Using Puller (49-0223-630B) and
Attachment (49-8501-631A), remove rear axle shaft, backin
g plate and dust cover as an assembly from

1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:52:42 PMPage 6 © 2005 Mitchell Repair Information Company, LLC.

axle shaft housing. Remove axle oil seal. See Fig. 5. With axle shaft removed, remove retaining ring.
Remove ABS sensor rotor.
4. To remove bearing collar, grind collar until a section about .02" (.50 mm) remains. Using chisel, cut
remaining bearing collar from axle shaft. Using Puller (49-S121-520A), remove axle bearing from axle
shaft. Remove dust shield and backing plate.
5. Using dial indicator and "V" blocks, check axle shaft for straightness. Maximum axle shaft runout
is .059" (1.50 mm). Also check axle shaft splines for wear and damage. Use a press to replace wheel studs
as necessary. DO NOT reuse wheel studs if removed.
Installation
To install, reverse removal procedure. Lubricate oil seal lip before replacement. Use Attachment (49-1011-748)
and a press to install axle bearing onto axle shaft. DO NOT lubricate bearing collar before replacement. Use
Attachment (49-1011-748) and a press to install NEW bearing collar. If press fit of collar requires less than 2.7
tons (2699 k
g) to install, replace axle shaft. Tighten nuts to specification. See TORQUE SPECIFICATIONS.

1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:52:42 PMPage 7 © 2005 Mitchell Repair Information Company, LLC.

Fig. 5: Exploded View Of Rear Axle Shaft (MPV)
Courtesy of MAZDA MOTORS CORP.
DIFFERENTIAL ASSEMBLY
Removal (Front MPV 4WD)
1. Raise and support vehicle. Remove engine skid plate. See Fig. 6 . Drain front differential fluid. Remove
tie rod ends and lower control arms. Remove front axle shafts. See AXLE SHAFTS
- FRONT article.
2. Mark drive shaft and differential carrier flanges for reassembly reference, and remove drive shaft from
differential carrier. See Fig. 6
. Disconnect Automatic Free Wheel (AFW) vacuum hoses and electrical
connector.
3. Place floor jack under differential assembly. Remove differential-to-chassis mounting bolts and AFW
extension housing mounting nuts. Remove differential and AFW extension housing from vehicle.
Remove AFW assembly from left side of differential housing. Pull drive coupler from carrier. Remove
differential carrier-to-housing bolts. Remove differential carrier.
Installation
To install, reverse removal procedure. Apply sealant to carrier mating flange. Align marks made during
removal. Refill differential with lubricant. Tighten all nuts and bolts to specification. See TORQUE
SPECIFICATIONS.

1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:52:42 PMPage 9 © 2005 Mitchell Repair Information Company, LLC.

See REAR AXLE SHAFTS & BEARINGS.
2. Remove ABS wheel speed sensor. Mark drive shaft and differential carrier flanges for reassembly
reference and remove drive shaft from differential carrier. Remove differential carrier-to-housing bolts.
Remove differential carrier.
Installation
To install, reverse removal procedure. Apply sealant to carrier mating flange. Align marks made during
removal. Refill differential with lubricant. Tighten all nuts and bolts to specification. See TORQUE
SPECIFICATIONS .
Removal (Miata)
1. Raise and support vehicle. Remove wheel and tire assembly. Drain differential. Remove differential
mounting pipe. Remove exhaust pipe. Mark drive shaft and differential carrier flanges for reassembly
reference and remove drive shaft from differential carrier. See Fig. 7
. Disconnect speedometer cable
from transmission. Notin
g locations, disconnect wiring harness from Power Plant Frame (PPF).

1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:52:42 PMPage 11 © 2005 Mitchell Repair Information Company, LLC.

TORQUE SPECIFICATIONS (MPV)
Power Plant Frame-To-Differential
Side Mounting Bolts (Long)77-91 (104-123)
Spacer Bolt (Short)27-38 (37-52)
Power Plant Frame-To-Transmission Side Mounting Bolts (Long)77-91 (104-123)
Ring Gear Retaining Bolts51-61 (69-83)
Wheel Lug Nuts65-87 (88-118)
ApplicationFt. Lbs. (N.m)
AFW Extension Housing Mount Nut (4WD)49-72 (66-98)
Brake Pipe Union10-16 (14-22)
Differential Carrier Bearings Cap Bolts Front Differential27-38 (37-52)
Differential Carrier Bearings Cap Bolts Rear Differential54-78 (73-106)
Differential Carrier Bearings Lock Plate Bolt13-19 (18-26)
Differential Carrier-To-Housing Nuts/Bolts17-19 (23-26)
Differential-To-Chassis Mount Nuts (4WD)49-72 (66-98)
Drive Pinion Lock Nut94-210 (127-284)
Drive Shaft Companion Flange Nuts37-43 (50-58)
Filler Plug29-40 (39-54)
Lower Ball Joint-To-Control Arm Bolts (4WD)75-101 (102-137)
Lower Ball Joint-To-Control Arm Nut (4WD)94-127 (127-172)
Rear ABS Wheel Speed Sensor Bolt12-16 (16-22)
Rear Axle Shaft Assembly-To-Axle Shaft Housing Retaining Nuts40-49 (54-66)
Rear Brake Caliper Bolts37-43 (50-58)
Ring Gear Retaining Bolts51-61 (69-83)
Skid Plate Bolts (4WD)12-17 (16-23)
Tie Rod End Nut (4WD)43-58 (58-78)
Wheel Lug Nuts65-87 (88-118)

1997 Mazda MX-5 Miata
1997-98 DRIVE AXLES Differentials & Drive Axles - MPV & MX-5 Miata
Microsoft
Sunday, July 05, 2009 1:52:42 PMPage 23 © 2005 Mitchell Repair Information Company, LLC.