5000CD Turbo (Canada) L5-2226cc 2.22L SOHC Turbo (MC) (1988)
Oil Pump: Customer Interest
Hydraulic Valve Lifter - Abnormal Noise
,Applies To:
5000 Turbo (from Vin: 44_JN007107) 1988 m.y.
5000 (from VIN: 44_HN120175) 1987, 1988 m.y.
100/200
All m.y.
Subject:
80/90 w/5-cylinder engine All m.y. Hydraulic Valve Lifters Noisy ^ Oil return Check valve leaking (Supercedes 89-01,
dated November 24, 1989)
Number:
Group:
90-01
February 9, 1990
15
Engine
Symptom:
Abnormal hydraulic valve lifter noise
Production Change:
Modified oil return check valve
Service Solution:
CAUTION
DO NOT perform this repair if a week or more has passed since the engine was last operated.
If repair procedures in the repair manual DO NOT correct problem, test check valve operation and replace valve as necessary;
^
start and bring engine to operating temperature
^
remove oil pressure switch C
^
located in-line with oil pressure valve A
^
make a leakage tester as follows: