Toyota Tacoma (2015-2018) Service Manual: Vacuum Pump

Toyota Tacoma (2015-2018) Service Manual / Brake / Vacuum Pump

Components

COMPONENTS

ILLUSTRATION

Installation

INSTALLATION

PROCEDURE

1. INSTALL VACUUM PUMP ASSEMBLY

(a) Apply engine oil to the 2 O-rings on the vacuum pump assembly.

(b) Apply engine oil to the inner surface of the installation hole.

(c) Install the vacuum pump assembly so that the oil pipe engages with the hole of the camshaft and the coupling teeth with the grooves on the camshaft tip.

NOTICE:

Ensure that the vacuum pump assembly is installed securely.
Be careful not to pinch the O-ring.

(d) Install the vacuum pump assembly to the engine assembly with the 3 bolts in the order shown in the illustration.

Torque:

21 N·m {214 kgf·cm, 15 ft·lbf}

NOTICE:

After installation, check that there are no gaps between the matching surfaces and that the vacuum pump assembly is no installed at an angle.

2. INSTALL NO. 2 WATER BY-PASS PIPE

(a) Install the No. 2 water by-pass pipe with the 2 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

3. CONNECT UNION TO CHECK VALVE HOSE

(a) Connect the union to check valve hose and slide the clip to secure it.

4. INSTALL V-BANK COVER SUB-ASSEMBLY

5. INSPECT VACUUM PUMP OPERATION

On-vehicle Inspection

On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. OPERATION CHECK

(a) Remove the V-bank cover sub-assembly.

(See page (b) Slide the clip and disconnect the union to check valve hose from the vacuum )

(b) Slide the clip and disconnect the union to check valve hose from the vacuum pump assembly.

(d) Start the engine and warm it up for more than 2 minutes.

(e) With the engine idling, check the negative pressure of the vacuum pump.

Standard pressure:

More than 90.0 kPa (675 mmHg, 26.6 in.Hg)

HINT:

The vacuum pump assembly is listed as one of the 200000 km (124000 mile) maintenance parts. Make sure to disassemble and inspect it every 200000 km (124000 miles) and replace parts as necessary.

(f) Remove the vacuum gauge from the vacuum pump assembly.

(g) Connect the union to check valve hose to the vacuum pump assembly and slide the clip to secure it.

(h) Install the V-bank cover sub-assembly.

(See page Removal Removal )

Removal

REMOVAL

CAUTION / NOTICE / HINT

HINT:

The vacuum pump assembly is listed as one of the 200000 km (124000 mile) maintenance parts. Make sure to disassemble and inspect it every 200000 km (124000 miles) and replace parts as necessary.

PROCEDURE

1. REMOVE V-BANK COVER SUB-ASSEMBLY

2. DISCONNECT UNION TO CHECK VALVE HOSE

(a) Slide the clip and disconnect the union to check valve hose.

3. SEPARATE NO. 2 WATER BY-PASS PIPE

(a) Remove the 2 bolts and separate the No. 2 water by-pass pipe.

4. REMOVE VACUUM PUMP ASSEMBLY

(a) Remove the 3 bolts and vacuum pump assembly from the engine assembly.

HINT:

If there are any oil leaks or any O-ring is damaged, replace the vacuum pump assembly with a new one.

Installation

INSTALLATION PROCEDURE 1. INSTALL REAR BRAKE DRUM SUB-ASSEMBLY (a) Install a new drum gasket onto the rear brake drum. (b) Install the rear brake drum. 2. ADJUST REAR DRUM BRAKE SHOE CLEARANCE ...

Vacuum Warning Switch

Components COMPONENTS ILLUSTRATION On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR 2. INSPECT BRAKE BOOSTER ASSEMBLY 3. INSPECT VACUUM ...

Other materials:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptom are listed in order of probability in the "Suspected Area" column of the table. Check each sym ...

Fuel Main Valve
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY (See page ) 2. REMOVE FUEL SENDER GAUGE ASSEMBLY 3. REMOVE NO. 1 FUEL SUB-TANK 4. REMOVE FUEL PUMP FILTER 5. REMOVE FUEL MAIN VALVE ASSEMBLY (a) Remove t ...

Air conditioning system
Adjusting the settings ■ Adjusting the temperature setting Turn the temperature control dial clockwise (warm) or counterclockwise (cool). If is not pressed, the system will blow ambient temperature air or heated air. For quick cooling, turn the temperature control dial to the MAX A/C ...