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Nissan Armada 2025-2026 Service and Repair Manual: Engine Mechanical Tools and Preparation

Nissan Armada 2025-2026 Service and Repair Manual / Engine / Engine Mechanical / Engine Mechanical Tools and Preparation

Special Service Tool

The actual shapes of TechMate tools may differ from those of special service tools illustrated here.

Tool number

(TechMate No.)

Tool name 		Description

KV10116200

(NI-26336-A)

Valve spring compressor

1. KV10115900

(NI-26336-20)

Attachment

2.KV10109220

( — )

Adapter

Disassembling valve mechanism

Part is a component of KV10116200 (NI-26336-A), but Part is not so.

KV10107902

(NI-38959)

Valve oil seal puller

Replacing valve oil seal

KV10115600

(NI-38958)

Valve oil seal drift

Installing valve oil seal

Use side A .

: 20 (0.79) dia. : 8 (0.31) dia.

: 13 (0.51) dia. : 10.7 (0.421)

: 10.3 (0.406) dia. f: 5 (0.20)

: side B

Unit: mm (in)

EM03470000

(NI-8037)

Piston ring compressor

Installing piston assembly into cylinder bore

KV10111100

(NI-37228)

Seal cutter

Removing oil pan (upper), timing chain case, etc.

KV10112100

(BT-8653-A)

Angle wrench

Tightening bolts for connecting rod bearing cap, cylinder head, etc. at an angle

KV10117100

(NI-3647-A)

Heated oxygen sensor wrench

Loosening or tightening air fuel ratio sensor 1 and heated oxygen sensor

For 22 mm (0.87 in) width hexagon nut

KV10118600

(NI-48641)

Ring gear stopper

Removing and installing crankshaft pulley

KV101296S0

( — )

Direct injection puller

Removing and installing fuel injector

KV10119990

( — )

Injector seal drift set

  1. Seal installer

  2. Drift

  3. Seal guide

Installing fuel injector seal

ST10120000

(NI-24239-01)

Cylinder head bolt wrench

Loosening and tightening cylinder head bolt, and used with the angle wrench [SST: KV10112100 (BT-8653-A)]

: 13 (0.51) dia.

: 12 (0.47)

: 10 (0.39)

Unit: mm (in)

—

(NI-43897-18)

(NI-43897-12)

Oxygen sensor thread cleaner

Reconditioning the exhaust system threads before installing a new air fuel ratio sensor and heated oxygen sensor (Use with anti-seize lubricant shown below.)

A: NI-43897-18 [18 mm (0.71 in) dia.] for zirconia heated oxygen sensor and air fuel ratio sensor

B: NI-43897-12 [12 mm (0.47 in) dia.] for titania heated oxygen sensor

: Mating surface shave cylinder

: Flutes

Commercial Service Tools or/and Repair Part

Tool name Description
Tube presser

Pressing the tube of liquid gasket
Power tool

Loosening nuts and bolts
TORX socket

Removing and installing drive plate
Mobile floor crane

Removing and installing engine
Belt slinger

Removing and installing engine

1.Compression gauge

2.Adapter

Checking compression pressure
Spark plug wrench

Removing and installing spark plug

: 14 mm (0.55 in)
Valve seat cutter set

Finishing valve seat (EXH) dimensions
Piston ring expander

Removing and installing piston ring
Valve guide drift

Removing and installing valve guide (EXH)

Exhaust:

: 9.5 mm (0.374 in) dia.

: 5.5 mm (0.217 in) dia.
Valve guide reamer

: Reaming valve guide (EXH) inner hole

: Reaming hole for oversize valve guide (EXH)

Exhaust:

: 6.0 mm (0.236 in) dia.

: 10.2 mm (0.402 in) dia.
Anti-seize lubricant (Permatex 133AR or equivalent meeting MIL specification MIL-A-907)

Lubricating oxygen sensor thread cleaning tool when reconditioning exhaust system threads
Feeler gauge

Inspection valve clearance (Use a curved-tip gauge)

Lubricant or/and Sealant

Name Description Note
Three bond 1215 Cylinder block Water drain plug
Three bond 1217H

  • Rocker cover

  • Valve timing control cover

  • Front cover

  • Oil pan (upper)

  • Camshaft

  • Cylinder block

 —
Three bond 1386B Cylinder block Plug

Service Parts

Name Description

Engine slinger

10005 6GP0B: Engine front slinger upper

10006 5CA0A: Engine rear slinger

Slinger bolts

10004 5CA0A: Engine front slinger upper/Engine rear slinger 		Supporting and hoisting engine
    Other materials

    Engine Mechanical Service Data and Specifications
    Engine Assembly GENERAL SPECIFICATIONS Cylinder arrangement V-6 Displacement cm3 (cu in) 3,492 (213.08) Bore and stroke mm (in) 86.0 x 100.2 (3.386 x 3.944 ) Valve arrangement DOHC Firing order 1-2-3-4-5-6 Number of piston rings Compression   2 Oil   1 ...

    Heavy Tight-Corner Braking Symptom Occurs
    Description Heavy tight-corner braking symptom occurs when the vehicle is driven and the steering wheel is turned fully to either side after the engine is started.NOTE: Light tight-corner braking symptom may occur depending on driving conditions. This is not malfunction. Diagnosis Procedure PERFORM ...

    4wd Tools and Preparation
    Preparation Special Service Tool Tool number (TechMate No.) Tool name Description KV40104001 (NI-53385) Hub lock nut wrench a: 85 mm (3.35 in) b: 65 mm (2.56 in) Removing and Installing wheel hub lock nut. KV40107300 (NI-51751) Boot band crimping tool Installing boot band KV401 ...