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Toyota 1KZ-TE engine factory workshop and repair manual download

Tools required
- Full alignment rack with instruments (preferred) OR:
- Camber/caster gauge and toe plates or precise string/laser setup
- Turn plates or low-friction rotating plates for front wheels
- Long bubble/laser level (for ride height)
- Tape measure, calipers, straight edge
- Basic hand tools: ratchets, sockets, wrenches (including large/impact for control arm bolts), breaker bar
- Allen/hex keys, pry bar
- Torque wrench (range to 200+ Nm)
- Jack and rated jack stands (never rely on jack alone)
- Wheel chocks
- Penetrant and wire brush (for rusty fasteners)
- Hammer/soft mallet
- Marker or paint for indexing bolts
- Spring compressor if removing strut springs
- Ball joint puller / pickle fork (if replacing components)
- Replacement parts (common): tie-rod ends, idler/tie-rod bushings, control arm bolts, camber/caster eccentric bolts or camber bolts, axle/shim kits (rear), upper strut mounts, wheel bearings if play present

Safety precautions (must-follow)
- Work on level ground. Chock rear wheels and set parking brake.
- Use rated jack stands; never work under vehicle supported only by a jack.
- If compressing springs or removing strut assemblies, use a proper spring compressor — coils store life‑threatening energy.
- Wear eye protection and gloves. Be careful of rusty hardware; use penetrating oil and heat where needed.
- Re‑torque fasteners to factory values with weight on suspension where specified (or note when to torque unloaded vs loaded).
- If using a lift/alignment rack, follow rack safety procedures and use wheel clamps/traction plates correctly.

Preparation and inspection
1. Tires: ensure correct size, tread, and equal wear. Inflate to manufacturer-specified cold pressure.
2. Ride height: verify vehicle at normal ride height (no heavy load) and confirm it matches factory specification or desired height for lift kit. Adjust springs if needed.
3. Inspect suspension and steering: check for play in wheel bearings, tie‑rod ends, ball joints, bushings, control arm bushings, shock absorbers. Replace any worn components before alignment.
4. Check steering stops, steering wheel straight, and ensure no steering wheel offset from normal driving position.
5. If the vehicle has a lift kit or aftermarket components, have the correct alignment specs for that setup.

Common alignment targets (confirm factory for your exact model/year)
- Camber: approximately -0.5° ± 0.5° (front). (Range depends on model.)
- Caster: typically 2.5°–5.0° (front).
- Toe (total): 0 mm ± 2–3 mm (usually small toe‑in). Some trucks use 0–3 mm toe-in total.
Note: Always use factory Toyota specifications for the specific vehicle (KZN/KZJ model/year).

Step-by-step alignment procedure (typical Toyota 4x4 style)
Overview: set ride height, center steering, set camber/caster, then set toe, recheck and torque.

1. Set vehicle up
- Put vehicle on alignment rack or level ground with turn plates and toe plates/string.
- Wheels clean and tires inflated to spec. Fuel level and cargo as normal. Driver seat empty.
- Center the steering wheel: measure steering stops or count steering turns from lock to lock and position steering wheel midpoint. Tie a mark on the wheel hub and steering wheel for reference.

2. Initial measurements
- Lock the steering wheel straight.
- Measure and record current camber, caster, and toe for both sides using gauges or alignment machine.
- Note any asymmetry or excessive deviation — indicates worn parts or bent components.

3. Adjust camber and caster (front)
Note: adjustment method depends on model year and suspension type. Common Toyota methods:
- Eccentric bolts on lower control arm/strut tower (rotate bolt to change camber/caster).
- Camber/caster adjustable upper control arm or cam bolts.
- Some older trucks use shims at kingpin/axle or adjustable cross rod.

Procedure:
a. Loosen the locking nut(s) on the camber/caster eccentric bolts just enough to allow rotation (do not remove).
b. Using a pry bar or ratchet, rotate the eccentric bolt slightly. Clockwise or counterclockwise will move the top of the wheel in or out (camber) and change caster depending on which pivot is moved.
c. Make small adjustments, then re-measure. Aim to get camber within spec first, and caster as close to spec as possible.
d. If your model has separate shims for caster, add/remove shims as directed in the factory manual.
e. When both sides are within range, torque the eccentric bolts to factory specification. Some bolts require final torque with the vehicle at ride height — check manual and, if required, torque with weight on suspension.

How the camber/caster bolt works (tool usage)
- Eccentric cam bolts are offset; rotating moves control arm mounting point fore/aft or in/out relative to knuckle.
- Use a suitable socket or hex on the bolt head to rotate; mark the bolt and bracket before adjusting so you can count degrees/turns.
- Always use the specified torque and secure any locking plates/cotter pins.

4. Adjust toe (final)
Toe is adjusted at the tie rods. Always do toe after camber/caster because toe changes with these adjustments.

Procedure:
a. Loosen the tie-rod locknuts on both sides.
b. Measure current toe with toe plates/string or alignment machine.
c. To change toe, rotate the inner/outer tie rod (tie rod end). Clockwise or counterclockwise will move the wheel toe-in or toe-out depending on side.
d. Make equal and opposite turns on both sides to keep the steering wheel centered. Example: if you need 2 mm toe-in total, turn each rod the same amount to achieve this.
e. Re-check steering wheel center; if steering wheel is off, correct by small adjustments and re-align toe.
f. When good, tighten tie-rod locknuts to specified torque. Re-measure toe and steering wheel center.

Tool usage: toe plates / string method
- Toe plates: place a flat plate against each wheel, measure the distance between the front edges and the rear edges of the plates at roughly hub height. Toe = (rear distance - front distance). Positive means toe-in. Use same measuring height and measure on both sides.
- String method: run strings along both sides of the vehicle aligned with rear wheel centerlines; measure distance from string to front and rear rim faces; difference gives toe.

5. Re-check caster/camber after toe
- Adjusting toe may slightly alter camber/caster; re-measure and tweak if necessary. Lock everything down when satisfied.

6. Rear axle alignment (if solid rear axle)
- Check axle centering (panhard/track bar) and toe (if adjustable) or shims.
- If rear toe or thrust angle is out, adjust using axle shims or adjustable track rods. Some Toyota live axles use shims between spring and axle seat to change pinion and axle lateral position; add/remove shims in pairs as needed.
- Ensure rear ride height is correct; different heights change thrust angle.

7. Final checks
- Road test: do a short drive at low speed and return. Re-check for pulling, steering wheel off-center, unusual noises.
- Re-torque all bolts to factory spec after a short break-in (e.g., 100–200 km) and after initial test drive.
- Verify tire wear pattern after 500–1,000 km; re-check alignment if uneven wear appears.

Replacement parts commonly required for alignment success
- Tie-rod ends (inner/outer)
- Idler arm/center link/adjusting sleeve (if worn)
- Ball joints
- Control arm bushings or entire control arms
- Camber/caster eccentric bolts (if damaged)
- Rear axle shims or adjustable arms
- Struts/shocks and mounts (if sagging)
- Wheel bearings (if play exists)
- Steering damper (if worn and contributes to pull)

Common pitfalls and how to avoid them
- Trying to align with worn parts: replace worn tie rods, ball joints, bushings first.
- Ignoring ride height: lifted or sagged springs change caster and camber; set correct ride height before aligning.
- Not centering steering wheel: make equal turns on tie rods and verify steering wheel center before final lock down.
- Over‑torquing eccentric bolts incorrectly: some bolts must be torqued at ride height — follow manual to avoid binding bushings.
- Not using correct tools: toe-by-eye leads to repeat trips; use proper plates/gauges or an alignment rack.
- Underestimating the effect of tires: mismatched tire sizes or pressures will make accurate alignment impossible.
- Unsafe spring handling: use proper compressor and procedures.
- Failure to re‑check after a test drive and re-torque after a short break-in.

Quick practical tips
- Mark original bolt positions before moving so you can return if needed.
- Make adjustments in very small increments; most alignment changes are subtle.
- Keep notes of measurements and the number of turns on tie rods to reverse if needed.
- If vehicle has aftermarket lift, get lift-specific specs from the manufacturer.

That’s the complete, step-by-step approach. Follow factory torque values and alignment specs for the exact Toyota 1KZ-TE vehicle variant you’re working on.
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