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Isuzu Trooper II 1986 User Manual

Isuzu Trooper II 1986
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1.9L 4-CYL - VIN [A], 2.0L TURBO [F], 2.3L 4-CYL [L]
1986 Isuzu Trooper II
1986 ISUZU ENGINES
1.9L, 2.0L Turbo & 2.3L 4-Cylinder
Impulse, P’UP, Trooper II
* PLEASE READ THIS FIRST *
NOTE: For engine repair procedures not covered in this article,
see ENGINE OVERHAUL PROCEDURES - GENERAL INFORMATION article
in the GENERAL INFORMATION section.
ENGINE CODING
ENGINE IDENTIFICATION
Engine may be identified by the eighth character of the
Vehicle Identification Number (VIN). The VIN is stamped on a metal
tab, located on top of instrument panel at lower left of windshield.
Engine serial number is stamped on a machined pad on engine block.
ENGINE IDENTIFICATION CODES TABLE

Application VIN Code
1.9L 4-Cylinder
P’UP & Impulse .............................. A
2.0L 4-Cylinder Turbo
Impulse ..................................... F
2.3L 4-Cylinder
P’UP & Trooper II ........................... L

ENGINE, MANIFOLDS & CYLINDER HEAD
ENGINE
Removal (P’UP & Trooper II)
1) Disconnect battery cables. Scribe hinge positions on
hood. Remove hood. Remove lower engine cover. Drain crankcase oil and
cooling system.
2) Disconnect PCV hose from air cleaner. Disconnect hose
from air injection pump. Remove air cleaner duct. Remove air cleaner
bolts and wing nut. Lift air cleaner to disconnect TCA hose at air
cleaner. Remove air cleaner.
3) Remove intake manifold cover. Disconnect alternator
wiring. Disconnect exhaust pipe from exhaust manifold. Loosen clutch
control cable adjustment nut.
4) Disconnect heater hose to temperature control valve (if
equipped). Disconnect oxygen sensor wiring (if equipped). Disconnect
hose at air switching valve and vacuum switching valve (if equipped).
Disconnect heater hoses at heater core tubes.
5) Disconnect control cable from heater temperature control
valve. Remove control valve (if equipped). Remove left engine mount
nut. Install Engine Hanger (J-26555). Use exhaust manifold studs to
mount hanger.
6) Disconnect engine ground cable. Disconnect fuel hoses at
carburetor. Remove coil high tension wire. Disconnect vacuum hose
from rear of intake manifold. Disconnect canister vacuum hoses (if

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Isuzu Trooper II 1986 Specifications

Crankshaft Main & Connecting Rod Bearings IconCrankshaft Main & Connecting Rod Bearings
main bearings journal diameter2.2032-2.2038 in (55.920-55.935 mm)
main bearings clearance0.0008-0.0025 in (0.021-0.064 mm)
crankshaft end play0.0024-0.0099 in (0.06-0.25 mm)
connecting rod bearings journal diameter1.9276-1.9282 in (48.925-48.940 mm)
connecting rod bearings clearance0.0007-0.0029 in (0.019-0.075 mm)
connecting rod bearings side play0.008-0.013 in (0.02-0.33 mm)
Valve Spring Specifications IconValve Spring Specifications
free length1.8951 in (48.1 mm)
valve closed pressure56 lbs @ 1.61 in (25.4 kg @ 41 mm)
Camshaft Specifications IconCamshaft Specifications
journal diameter1.339 in (34.0 mm)
clearance0.003-0.0043 in (0.065-0.110 mm)
lobe lift1.451 in (36.85 mm)
Valve Timing Specifications IconValve Timing Specifications
intake open21 BTDC
intake close65 ABDC
exhaust open55 BBDC
exhaust close20 ATDC

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