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Toyota 22R and 22R-E engine factory workshop and repair manual

Tools & supplies
- Basic metric socket set (common sizes: 8, 10, 12, 14 mm) with extensions and swivel. Confirm exact sizes on the vehicle before removing bolts.
- Torque wrench (0–100 ft·lb range).
- Breaker bar.
- Ratchet and 1/4" driver for small fasteners.
- Oil drain pan (large capacity).
- Floor jack and good-quality jack stands (rated for vehicle weight).
- Wheel chocks.
- Gasket scraper or plastic scraper and razor blades (use carefully).
- Clean shop rags and parts cleaning solvent (brake cleaner).
- Magnetic tray for bolts.
- Rubber mallet or dead blow.
- Flat screwdriver or small pry bar (thin).
- RTV silicone (high-temp, oil-resistant) if required by gasket type — use OEM-recommended sealant if available.
- New oil pan gasket (OEM or good aftermarket gasket) OR appropriate RTV-only gasket procedure.
- New oil drain plug washer/crush washer.
- New engine oil and new oil filter.
- Safety glasses and nitrile gloves.
- Optional: engine support bar (if required to slightly lift/support engine), torque angle gauge (if required).

Safety precautions
- Park on level ground, set parking brake and chock rear wheels.
- Work on a cold engine. Hot oil or components will burn.
- Use a proper floor jack and place jack stands under rated lift points — never rely on the jack alone.
- Wear eye protection and gloves. Keep solvent away from ignition sources.
- Drain oil into a suitable container and dispose of used oil and gasket material per local regulations.

Overview (what you will do)
1) Drain engine oil and remove oil filter. 2) Raise and securely support vehicle. 3) Remove any obstructions (skid plates, braces, sensors) to gain access. 4) Remove oil pan bolts, lower pan and pickup/windage assembly. 5) Clean mating surfaces, inspect parts, replace gasket/crush washer and reassemble using correct torque pattern and values. 6) Refill oil and check for leaks.

Step-by-step procedure
1. Preparation
- Run the engine briefly to warm oil so it drains easily, then shut it off and let it cool a few minutes.
- Place drain pan under the oil drain plug. Remove oil filler cap to vent the system.

2. Drain oil & remove oil filter
- Remove drain plug and drain oil completely. Replace drain plug washer and thread drain plug back lightly (or leave out while pan off to avoid contamination). Remove oil filter (catch oil).
- Dispose of oil/filter properly.

3. Raise and support vehicle
- Loosen lug nuts slightly if you will remove wheels to gain access.
- Use floor jack to raise front of vehicle and place on jack stands at manufacturer-specified points. Confirm stability.

4. Remove obstructions
- On 22R/22R‑E, you may need to remove or loosen:
- Lower splash/engine undertray (if fitted)
- Crossmember or brace that interferes with pan removal (if present)
- Oil pressure sender/switch or wiring harness clips attached to pan
- Transmission-to-engine bolts if they interfere (normally not required)
- Label and stow any removed parts/bolts.

5. Remove oil pan bolts
- Remove all oil pan bolts. Keep bolts organized by location (short/long).
- Note: some bolts may be in recesses or behind brackets — use extensions and swivels.
- Loosen bolts evenly; do not pry initially so as not to damage mating surface.

6. Break the seal and lower pan
- Carefully pry the pan free using a thin pry tool or flat screwdriver. Work around perimeter to break the seal—don’t gouge the mating surface.
- Support pan as you break seal (pan will drop when fully free). Tilt pan down and remove it from vehicle.
- Expect residual oil in pan — keep drain pan underneath.

7. Remove windage tray / pickup
- Under the oil pan you’ll find the windage tray and the oil pickup/strainer assembly.
- Remove pickup bolts and windage tray bolts. Keep bolts in order.
- Inspect pickup gasket/seal and pickup tube bolts. If pickup uses a gasket, replace it or use proper sealant per manual.

8. Inspect parts & clean surfaces
- Inspect oil pump pick-up screen for debris. Inspect pan for damage or dents.
- Clean all mating surfaces on block and pan with scraper and solvent. Remove old gasket material completely—be careful not to gouge the machined surface.
- Clean bolt holes; ensure threads are intact.

9. Replace parts as required
- Replace oil pan gasket (if using a gasket), or apply a continuous bead of OEM-approved RTV to the pan/block mating surface if the repair calls for RTV-only installation.
- Replace drain plug crush washer.
- Replace any corroded bolts or damaged windage/pickup components.

10. Reinstall pickup and windage tray
- Install pickup and tray using correct bolts torque. Ensure pickup bolts are tight and pickup flange gasket/seal is properly seated. Prevent any gasket material from protruding into pickup.

11. Install oil pan
- If using a gasket: position gasket on pan (some gaskets use a small amount of RTV at corners). If using RTV: apply correct bead pattern (manufacturer typically specifies bead width and location — e.g., 3–4 mm continuous bead on pan flange).
- Align pan and start bolts by hand to avoid cross-threading.
- Tighten bolts in a crisscross pattern progressively to specified torque.

Torque values (typical guidance; verify with factory manual)
- Oil pan bolts: typically light torque — around 8–14 ft·lb (11–19 N·m). Do not overtighten.
- Drain plug: typically 25–35 ft·lb (34–47 N·m).
- Pickup/windage bolts: see service manual; often similar to pan bolt torque.
Note: These are general guidance values. Consult a Toyota service manual for exact torque specs and sequences for the 22R/22R‑E.

12. Reinstall removed components
- Reinstall skid plates, crossmembers, oil pressure sensor, wiring clips, etc.
- Reinstall oil filter and torque per spec by hand (filter snug + 3/4 turn or as directed).

13. Lower vehicle, refill oil, and test
- Lower vehicle carefully. Refill engine with correct type and amount of oil.
- Start engine and let idle; check for leaks around pan, drain plug, pickup, oil filter and pressure sensor.
- Re-torque drain plug and pan bolts after initial warm-up if recommended by manual (some recommend recheck after heat cycles).

Common pitfalls and how to avoid them
- Reusing old gasket or failing to fully clean mating surfaces: always replace gasket or follow correct RTV procedure. Old gasket residue causes leaks.
- Overtightening pan bolts: pan bolts are small and strip easily; use torque wrench and follow pattern.
- Leaving debris in pan or pickup: debris can damage oil pump—cover openings while cleaning and inspect pick-up screen carefully.
- Damaging mating surfaces with aggressive scraping: use plastic scraper or thin blade gently; don’t gouge the block flange.
- Forgetting to replace crush washer: leads to drain leaks. Always replace the drain plug washer.
- Not supporting engine (if a crossmember must be removed): if you remove any engine mount or crossmember that supports the engine, make sure to support the engine securely.
- Using wrong sealant: use only oil-rated RTV where required. Excess RTV squeezed into oil passages can block pickup.
- Cross-threading bolts: start bolts by hand, especially long/hidden ones.

Replacement parts commonly required
- Oil pan gasket (or OEM-recommended RTV)
- Drain plug crush washer
- Oil filter
- Engine oil (correct grade and quantity)
- Pickup gasket/o-ring (if applicable)
- Pan bolts (if corroded or damaged)
- Oil pan (if damaged or leaking and beyond gasket fix)

How specific tools are used
- Torque wrench: tighten bolts in stages and in a crisscross pattern to specified torque. Prevents warping/sealing problems.
- Socket extensions and universal joint: reach bolts in tight spaces without stressing fasteners at an angle.
- Scraper/razor: gently remove old gasket material; follow with solvent wipe to ensure a clean mating surface.
- Floor jack & jack stands: jack under specified lift points, lower vehicle onto stands, verify stability before working under.
- Magnetic tray: keep removed bolts and small parts organized and matched to their location.
- Rubber mallet: tap pan gently to break seal without damaging flange.

Final checks
- After first drive or 100 miles, recheck pan bolts and drain plug for tightness and inspect for leaks.
- Verify oil pressure gauge/indicator is normal after refill.

Done.
rteeqp73

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