Toyota B 2B engine factory workshop and repair manual digital
Toyota B 2B engine factory workshop and repair manual
on PDF can be viewed using PDF reader like adobe , or foxit or nitro
File size 26 Mb in 269 pages searchable
Contents
General
Engine Tune-up
Engine SERVICE
Lubrication System
Cooling System
Fuel System
EDIC System
Starting System
Charging System
SST & Service Specifications
The B is a 3.0 L inline-four eight-valve OHV diesel engine. Compression ratio is 21:1. Output is 80 hp (60 kW) at 3,600 rpm with 141 lb·ft (191 N·m) of torque at 2,200 rpm, although later versions claim 85 PS (63 kW).
2B
The 2B is a 3.2 L inline 4 eight valve OHV diesel engine. Compression ratio is 21:1. Output is 93 hp (69 kW) at 2,200 rpm with 159 ft·lbf (215 N·m) of torque at 2,200 rpm.
Applications
Land Cruiser (BJ41/44 JDM)
Coaster (BB10/11/15)
Toyota B 2B engine factory workshop and repair online digital download
- Safety first
- Wear safety glasses and nitrile or latex gloves. Brake fluid is corrosive to skin and paint.
- Work on level ground, engine off and keys removed. Set parking brake and use wheel chocks on wheels remaining on the ground.
- Use jack stands to support the car if you remove wheels. Never rely on the jack alone.
- Keep rags and a bucket handy for spills; brake fluid ruins paint — wash spills immediately with water.
- Check the vehicle manual for the correct brake fluid type (commonly DOT 3 or DOT 4 for Toyotas). Do not use DOT 5 (silicone) unless manual specifically says so; do not mix DOT 5 with DOT 3/4.
- Tools required (detailed description and how to use each)
- Brake fluid — new, unopened bottle of specified DOT rating
- How to use: Pour into master cylinder reservoir only when instructed. Keep cap closed except when topping; avoid contamination. Use fresh fluid only.
- Combination wrenches (open/box) or flare/line wrenches, typically 10 mm for bleeder screws on many Toyotas
- How to use: Use a flare/line wrench on bleeder nuts to avoid rounding. Hold the wrench on the bleeder and turn counterclockwise to open a little when bleeding, then clockwise to close. Keep good grip and use correct size.
- Clear plastic tubing (inner diameter fits over bleeder nipple) and a clear catch bottle marked with used fluid level
- How to use: Push tubing onto the bleeder nipple so fluid flows into the bottle without air contact. This lets you see old fluid color and prevents air from re-entering.
- Brake bleeder bottle or any clean plastic bottle (with some fluid already in it) and a one-way valve (optional)
- How to use: Bottle catches fluid; a one-way valve lets fluid flow out without air coming back in during single-person bleeding.
- Turkey baster, syringe, or small funnel
- How to use: Remove old fluid from the master cylinder reservoir before starting and top up with new fluid as needed during the procedure.
- Flat screwdriver and/or small brush
- How to use: Pry off the plastic reservoir cap clips and clean the reservoir cap area before opening to avoid contamination.
- Jack and jack stands (and wheel chocks)
- How to use: Jack car at manufacturer jacking points, then place stands under secure frame points. Lower car onto stands. Chock wheels left on ground.
- Lug wrench or impact socket to remove wheels (if needed)
- How to use: Break lug nuts while car is on ground, then remove when each corner is off the ground.
- Torque wrench (recommended)
- How to use: Torque lug nuts to factory spec when reinstalling wheels.
- Brake cleaner and rags
- How to use: Clean bleeder screws and surrounding area before and after bleeding. Wipe spills promptly.
- Vacuum bleeder pump or handheld pressure bleeder (optional but recommended)
- How to use vacuum pump: Attach hose to bleeder nipple, create vacuum, open nipple and let pump draw fluid until clear. Vacuum pumps allow one-person bleeding and reduce pedal pumping.
- How to use pressure bleeder: Pressurize reservoir to specified psi (~15 psi), open bleeders sequentially to push fluid out. Very effective for flushing ABS and entire system.
- Line-lock tool or assistant (optional)
- How to use with assistant: Assistant pumps brake pedal as you open/close bleeder. Line-lock holds pressure for single-person pedaling method.
- Extra/optional tools and why they help
- Scan tool with ABS bleed capability
- Why required sometimes: If the car has ABS, air can be trapped in the ABS module. Activating the ABS pump and solenoids with a diagnostic tool cycles fluid and helps purge air.
- Replacement bleeder caps and new bleeder screws (spare)
- Why required: Bleeder screws can seize or round; having spares avoids delays. Use correct size and grade.
- Master cylinder rebuild kit or replacement master cylinder (if leaking)
- Why required: If master cylinder internal seals are failing (spongy pedal that doesn’t firm after bleeding), replacement or rebuild is necessary.
- Parts that might need replacement, when, and why
- Brake fluid
- Why: Old fluid absorbs moisture (hydroscopic), lowers boiling point and causes corrosion. Replace if dark or >2 years old.
- Brake hoses
- Why: Rubber hoses can swell or crack, causing soft pedal or leaks. Replace if bulging, cracked, or leaking.
- Calipers or wheel cylinders
- Why: Leaking calipers/wheel cylinders let air and fluid escape. Replace or rebuild if they leak or pistons freeze.
- Master cylinder
- Why: Internal failure causes pedal sink or inability to build pressure. Replace if bleeding doesn’t restore firm pedal and no external leaks exist.
- Bleeder screws
- Why: Stripped or seized bleeders must be replaced to bleed properly.
- ABS unit (rare)
- Why: If ABS valve/pump won't let fluid through properly, a scan tool diagnosis and possible repair needed.
- Preparation steps (quick)
- Park on level ground, set parking brake, chock wheels.
- Confirm brake fluid type from owner's manual.
- Clean around master cylinder reservoir cap, remove cap, and remove excess old fluid from top with turkey baster.
- Lift car and remove wheels if you prefer easier access to bleeders.
- Basic manual two-person bleed method (safe for beginners)
- Keep only bullet points (procedure)
- Have assistant sit in the driver seat with seatbelt on to operate the pedal.
- Put clear tubing on the bleeder nipple of the wheel you’re working on and route to catch bottle partially filled with a little new fluid to stop air ingestion.
- Slightly loosen the bleeder screw (about 1/4 to 1/2 turn) before starting; don’t fully remove it.
- Tell assistant to slowly depress pedal to the floor and hold it down.
- Open the bleeder briefly to let fluid and bubbles flow into the tubing; then close the bleeder before assistant releases the pedal.
- Repeat: pump-and-hold, open, close until fluid coming out is clear and bubble-free.
- Keep the master cylinder reservoir topped up between cycles; never let it run dry.
- Move to next wheel following the order: farthest from master cylinder first (commonly rear passenger, rear driver, front passenger, front driver for many cars) — if unsure, use “farthest first” rule.
- After all wheels are clear, check pedal firmness; final test is firm pedal with no travel and the car held on stands before lowering.
- Single-person options (safer, recommended if alone)
- Use a vacuum bleeder: attach hose to bleeder nipple, open nipple, pump vacuum to draw fluid until clear.
- Use a pressure bleeder: pressurize reservoir (~15 psi), open each bleeder until clear. Monitor reservoir level.
- Use a one-way-valve bottle on the bleeder so you can push fluid out by pressing pedal while bottle prevents air return.
- How to use common tools in the procedure
- How to use the wrench on bleeder screw: Hold wrench steady, turn counterclockwise to open; when closing, turn clockwise until snug — don’t overtighten and don’t round the nut.
- How to use tubing and bottle: Push tubing fully onto the bleeder nipple; keep bottle below nipple to prevent air backflow; check that fluid flows continuously into bottle.
- How to use turkey baster/syringe: Remove old fluid from master reservoir before starting and remove sediment; don’t push fluid back into system.
- How to use jack/jack stands: Lift at specified jacking points, set stands under reinforced pinch weld or subframe, lower car gently onto stands.
- ABS systems and special notes
- If your Toyota bB has ABS, air can be trapped in the ABS module; a pressure bleeder or a scan tool that activates ABS pump/valves is strongly recommended to purge the module.
- If you do not have a scan tool and pressure bleeder, perform repeated bleeding cycles; sometimes ABS will self-bleed when the vehicle is driven and ABS cycles, but this is not guaranteed.
- Common troubleshooting signs and remedies
- Persistent soft or sinking pedal after bleeding: possible internal master cylinder failure or trapped air in ABS. Consider master cylinder replacement or professional ABS bleed with scan tool.
- Leaks at a wheel: tighten or replace bleeder screw, replace hose/caliper if leaking.
- No fluid flow when opening bleeder: check that master reservoir has fluid, check for clogged lines, or a stuck proportioning valve/ABS unit — may need professional help.
- Disposal and final checks
- Dispose of used brake fluid at hazardous waste or auto parts recycling centers; do not pour down drains.
- Clean any spilled fluid immediately.
- After finishing, torque wheel nuts to spec, lower car, test brakes at low speed in a safe area before normal driving.
- Re-check master cylinder fluid level after a short test drive and inspect for leaks.
- Quick maintenance guideline
- Replace brake fluid every 2 years or per the owner's manual, or sooner if fluid looks dark or contaminated.
- Inspect hoses and calipers at the same time for leaks or damage.
- Final warnings
- If you are unsure or the pedal does not firm up after bleeding, stop and have a qualified mechanic inspect the system. Brakes are critical to safety. rteeqp73
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