AW 150 Ramcharger V8-360 5.9L (1985)
Bowl Vent: Customer Interest
Vent Valve - Cold Long Engine Crank Times
Models
1985-1986 5.9L-4 Federal Light Duty Truck
Subject
Cold Long Engine Crank Times
Index
DRIVEABILITY
Date
February 17, 1986
No.
18-01-86
P-569-C
SYMPTOM/CONDITION
Subject model vehicles may exhibit a condition when ambient temperatures are below 50~F of cold engine crank times in excess of 10 seconds.
NOTE:
TECHNICAL SERVICE BULLETIN #18-19-86, HEATER HOSE DRIVEABILITY KIT, MUST BE INSTALLED. THE PARTS
REQUIRED FOR THIS BULLETIN ARE ALSO LISTED BELOW:
PARTS REQUIRED
1
Thermal Bowl Vent Valve
PN 4241223
Must be ordered separately:
1 Authorized Modification Label
PN 4275086
Technical Service Bulletin #18-19-86 For D-Model Trucks
1 Driveability Package
PN 4397683
Technical Service Bulletin #18-19-86 For B-Model Vans
1 Driveability Package
PN 4397685
REPAIR PROCEDURE
This repair procedure involves the installation of a thermal bowl vent valve.
1.
Cut bowl vent line 12" from canister. Cut 2" more off of the remaining line still attached to canister.
2.
Cut two lengths of rubber bowl vent hose 1-1/2" long.
3.
Attach one 1-1/2" bowl vent hose cut in Step 2 to the thermal bowl vent valve end "curb".
4.
Attach second 1-1/2" long hose cut in Step 2 to bowl vent line still attached to canister.
5.
Attach rubber hose connected to bowl vent valve in Step 3 to bowl vent line.
6.
Attach rubber hose connected to bowl vent line in Step 4 to thermal bowl vent line.
7.
Install appropriate Heater Hose Driveability Kit per Technical Service Bulletin No. 18-19-86.
