Lexus IS250 IS220d GSE20 ALE20 2AD-FHV INTAKE

TURBOCHARGER - INSTALLATION

1. INSTALL STUD BOLT
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the 2 stud bolts (turbo oil outlet pipe side).

  • Torque:
  • 5.0 N*m{ 51 kgf*cm, 44 in.*lbf}
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the 3 stud bolts (exhaust manifold side).

  • Torque:
  • 20 N*m{ 204 kgf*cm, 15 ft.*lbf}
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the 3 stud bolts (exhaust manifold convertor side).

  • Torque:
  • 10 N*m{ 102 kgf*cm, 7 ft.*lbf}
2. INSTALL TURBO OIL OUTLET PIPE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install a new gasket and the turbo oil outlet pipe with the 2 nuts.

  • Torque:
  • 11 N*m{ 112 kgf*cm, 8 ft.*lbf}
3. INSTALL WATER PIPE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Temporarily install 2 new gaskets, No. 1 turbo water pipe sub-assembly and No. 2 turbo water pipe sub-assembly with the 2 union bolts and bolt.

Tighten the 2 union bolts (*2).

  • Torque:
  • 38 N*m{ 388 kgf*cm, 28 ft.*lbf}

Tighten the bolt (*1).

  • Torque:
  • 28 N*m{ 286 kgf*cm, 21 ft.*lbf}
4. INSTALL TURBOCHARGER SUB-ASSEMBLY
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the No. 1 turbo water hose to the turbocharger sub-assembly.

  • HINT:
  • Install the clip an line up the paint marks as shown in the illustration.

Install the No. 1 turbo water hose to the No. 1 turbo water pipe.

Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install a new gasket and turbocharger sub-assembly with the 3 nuts.

  • Torque:
  • 60 N*m{ 612 kgf*cm, 44 ft.*lbf}
5. INSTALL NO. 2 TURBO OIL PIPE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Temporarily install 2 new gaskets and No. 2 turbo oil pipe with the 2 union bolts and bolt.

Tighten the 2 union bolts (*1).

  • Torque:
  • 35 N*m{ 357 kgf*cm, 26 ft.*lbf}

Tighten the bolt (*2).

  • Torque:
  • 18 N*m{ 184 kgf*cm, 13 ft.*lbf}
6. INSTALL TURBO OIL OUTLET HOSE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Using pliers, slide the clip to install the turbo oil outlet hose.

7. INSTALL NO. 3 WATER BY-PASS HOSE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Connect the No. 3 water by-pass hose.

8. INSTALL NO. 1 TURBO INSULATOR
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the insulator with the 2 bolts.

  • Torque:
  • 25 N*m{ 255 kgf*cm, 18 ft.*lbf}
9. INSTALL TURBOCHARGER STAY
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the turbocharger stay with the 3 bolts.

  • Torque:
  • 56 N*m{ 571 kgf*cm, 41 ft.*lbf}
10. INSTALL EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY

Temporarily install the No. 1 manifold stay.

Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Temporarily install a new turbine outlet elbow gasket and exhaust manifold converter with the 3 nuts.

Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Temporarily install the 2 bolts and nut.

Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Tighten the 3 nuts (Pushing the manifold converter against the No. 1 manifold stay).

  • Torque:
  • 25 N*m{ 255 kgf*cm, 18 ft.*lbf}
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Tighten the 2 bolts and nut.

  • Torque:
  • 56 N*m{ 571 kgf*cm, 41 ft.*lbf}
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Temporarily install the No. 2 exhaust manifold stay with the 2 bolts and nut.

Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Tighten the 2 bolts (Pushing the No. 2 exhaust manifold stay against the manual transmission).

  • Torque:
  • 56 N*m{ 571 kgf*cm, 41 ft.*lbf}
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Tighten the nut.

  • Torque:
  • 56 N*m{ 571 kgf*cm, 41 ft.*lbf}
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Using pliers, slide the clip to install the No. 1 and No. 2 vacuum transmitting hose assembly.

  • HINT:
  • Make sure that the paint marks on the No. 1 and No. 2 vacuum transmitting hose assemblies and No. 1 and No. 2 vacuum pipes are aligned.
11. INSTALL FRONT EXHAUST PIPE ASSEMBLY
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Using vernier calipers, measure the free length of the compression springs.

  • Minimum length:
  • 38.5 mm (1.516 in.)

If the free length is less than the minimum, replace the compression spring.


Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Fully insert 2 new gaskets to the exhaust manifold converter and front exhaust pipe assembly by hand.

  • NOTICE:
Be careful with the installation direction of the gasket.
Do not reuse the gasket.
Do not damage the gasket.
To ensure a proper seal, do not use the tail exhaust pipe to force the gasket onto the front exhaust pipe.
  • HINT:
  • Using a plastic hammer, uniformly strike the gasket so that the gasket and front exhaust pipe are properly fit.

Install the front exhaust pipe assembly.

Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts and 2 compression springs.

  • Torque:
  • 43 N*m{ 439 kgf*cm, 32 ft.*lbf}
  • NOTICE:
  • After installation, check that the clearance is almost the same at any point between the flanges of the tail exhaust pipe assembly and front exhaust pipe assembly.
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the 2 bolts and 2 compression springs.

  • Torque:
  • 43 N*m{ 439 kgf*cm, 32 ft.*lbf}
  • NOTICE:
  • After installation, check that the clearance is almost the same at any point between the flanges of the exhaust manifold converter and front exhaust pipe assembly.
12. INSTALL BATTERY TRAY
13. INSTALL POWER STEERING ECU ASSEMBLY
  • HINT:
14. INSTALL AIR HOSE
15. INSTALL NO. 2 AIR HOSE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the No. 2 air hose to the intercooler and secure it with the clip.

  • HINT:
  • Make sure that the claws on the clip are positioned as shown in the illustration.
16. INSTALL NO. 1 AIR TUBE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Align the matchmarks, install the No. 1 air tube to the intercooler and secure it with the 2 clips.

  • HINT:
  • Make sure that the claws on the 2 clips are positioned as shown in the illustration.
17. INSTALL AIR CLEANER CAP WITH AIR CLEANER HOSE
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the air cleaner cap with air cleaner hose.

Connect the No. 2 ventilation hose (*1).

Connect the hose band (*2).

Connect the mass air flow meter connector (*3).

Connect the 3 clamps (*4).

18. CHECK FOR EXHAUST GAS LEAKS
19. INSTALL ENGINE ROOM SIDE COVER RH
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the side cover with the 2 clips.

20. INSTALL COOL AIR INTAKE DUCT SEAL
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the intake duct seal with the 11 clips.

21. INSTALL NO. 1 ENGINE COVER
Turbocharger - Installation. 2AD-FHV INTAKE. Lexus IS250 IS220d GSE20 ALE20

Install the No. 1 engine cover.

LEXUS IS250, IS220d / GSE20 ALE20