why does my Toyota RAV4 engine shake when I put it in gear

Toyota RAV4 Fourth Generation (2013-2018)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

3 min read

600 words

Problem Statement

Learn to diagnose and fix engine shaking when in gear on your Toyota RAV4. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Engine

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Allow engine to cool before opening any components.

Symptoms

•Engine vibration or shaking when shifting into gear
•Possible increase in engine RPMs
•Unusual noises from the engine or transmission area
•Rough idle when stationary
•Check engine light may be illuminated

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect engine mounts for cracks or wear that could cause excessive movement.
3
Check transmission fluid level and condition, looking for contamination or low fluid levels.
4
Examine the condition of the spark plugs and ignition coils for misfiring issues.
5
Perform a visual inspection of vacuum hoses for leaks that may affect engine performance.
6
Test the idle air control valve (IAC) for proper function and cleanliness.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Torque wrench
•Jack and jack stands
•Screwdriver set
•Spark plug socket

Parts Required

•Engine mounts (if needed)
•Transmission fluid
•Spark plugs
•Ignition coils (if needed)
•Idle air control valve (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Inspect engine mounts for cracks or wear that could cause excessive movement.
3
Check transmission fluid level and condition, looking for contamination or low fluid levels.
4
Examine the condition of the spark plugs and ignition coils for misfiring issues.
5
Perform a visual inspection of vacuum hoses for leaks that may affect engine performance.
6
Test the idle air control valve (IAC) for proper function and cleanliness.

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is parked on a level surface.
Disconnect the battery to avoid electrical shorts.

2. Inspect and Replace Engine Mounts

Sub-steps:
1. Raise the vehicle using a jack and secure it with jack stands.
2. Locate the engine mounts; typically found at the front, rear, and sides of the engine.
3. Use a socket set to remove the mounting bolts.
4. Inspect the mounts for cracks or excessive wear; replace if necessary.
5. Install new engine mounts, ensuring proper alignment and torque to manufacturer specifications.

3. Check and Top Up Transmission Fluid

Sub-steps:
1. Locate the transmission dipstick (if equipped) and remove it.
2. Wipe the dipstick clean and reinsert it to check fluid level.
3. If low, add the appropriate type of transmission fluid as recommended by the manufacturer.
4. Start the engine and cycle through the gears to circulate the fluid, then recheck the level.

4. Inspect and Replace Spark Plugs and Ignition Coils

Sub-steps:
1. Remove the engine cover if applicable.
2. Disconnect the ignition coil connectors and remove the coils using a socket set.
3. Remove the spark plugs using a spark plug socket.
4. Inspect the spark plugs for wear and replace if necessary.
5. Install new spark plugs and reconnect the ignition coils.

5. Clean or Replace Idle Air Control Valve (IAC)

Sub-steps:
1. Locate the IAC valve, usually near the throttle body.
2. Disconnect the electrical connector and remove any mounting screws.
3. Clean the IAC valve with a suitable cleaner or replace it if it shows signs of failure.
4. Reinstall the IAC valve and reconnect the electrical connector.