Comanche 2WD V6-173 2.8L VIN W 2-bbl (1986)
EGR Valve: Customer Interest
Engine - Lean Surge at Cruising Speeds
JUNE 1986
001 028
1986 COMANCHE 49 STATE/CANADA
13E
ENGINES
Attention: Workshop, Parts Department
V-6 ENGINE SURGE
Some 1986 Jeep Comanche models equipped with V-6 engines and automatic transmissions may have a lean condition that causes a slight pulsation at
moderate cruising speeds (64-88 km/40-55 MPH).
Service correction involves replacing the original EGR valve with the EGR valve used on models equipped with manual transmissions, P/N 8953 002
647.
PROCEDURE
1.
Remove air cleaner assembly.
2.
Disconnect EGR valve vacuum hose.
3.
Remove EGR valve retaining nuts.
4.
Remove EGR valve.
5.
Remove EGR valve gasket.
6.
Clean intake manifold mating surface.
7.
Install new gasket, P/N 323 7589.
8.
Install replacement EGR valve, P/N 8953 002 647.
9.
Install retaining nuts.
10.
Tighten retaining nuts to 18-24 N-m (13- 18 ft-lbs).
11.
Connect vacuum hose to the EGR valve.
12.
Install air cleaner assembly.
PARTS INFORMATION
DESCRIPTION
QUANTITY
PART NUMBER
VALVE, EGR
1
8953 002 647
GASKET, EGR Valve
1
323 7589
SRT/TIC INFORMATION
OPERATION
OPERATION DESCRIPTION
NUMBER
TIME
TIC
VALVE, EGR - REPLACE
1388
0.5
1-344
FILING INSTRUCTIONS
Record I.S. Note on page B-51 and file in M.R. 277 Workshop Manual.
