ECM - Warm Surge At Steady Speed
85chrysler12Models
1985 Trucks Equipped With 5.2L-2BBL Engine, O2 Feedback Carburetor System & Automatic Transmission With California Emissions Package
Subject
Warm Surge at Steady Speed
Index
DRIVEABILITY
Date
June 24, 1985
No..
18-29-85
SYMPTOM/CONDITION
Vehicle will exhibit a surge at steady speeds with engine at full operating temperature.
PARTS REQUIRED
Driveability Package PN 4397618
Contains:
1 Vacuum Delay Valve PN 4173433
1 Hose Routing Label PN 4179843
Must be ordered separately:
1 ESA Module PN 4289977
1 CVSCC PN 4095231
1 Authorized Modification Label PN 4275086
REPAIR PROCEDURE
1. Remove existing ESA module (PN 4289637) and install supplied ESA module, PN 4289977.
2. Drain coolant and remove existing CVSCC (coolant vacuum switch cold closed) and install supplied CVSCC, PN 4095231.
3. Cut one 1-1/2" section of 3/16" vacuum hose, PN 4105167 (serviced in 50 foot rolls).
4. Install the 1-1/2" section of 3/16" hose on the natural colored end of the vacuum delay valve, PN 4173433, supplied in package.
5. The EGR solenoid is mounted on the fender shield (right side of engine compartment). It can be identified by a "white" right angle vacuum connector.
Remove the white right angle vacuum connector on the EGR solenoid and install the delay valve assembly on the EGR solenoid. The 1-1/2" piece of 3/16" hose is attached in place of the removed white right angle connector.
FIGURE 1 - Vacuum Delay Valve - Attachment Procedure:
The white right angle connector is then attached to the orange colored side of the vacuum delay valve (Figure 1).
6. Wipe existing hose routing label clean. Install hose routing label, PN 4179843, supplied in package over the original label.
FIGURE 2:
7. Type Authorized Modification Label, PN 4275086, as shown in Figure 2 and install next to the VECI label.
POLICY: Reimbursable within the provisions of the warranty
TIME ALLOWANCE:
Labor Operation No. 08-15-61-90 Trucks 0.5 Hrs.
Vans 0.6 Hrs.
FAILURE CODE: AM - Authorized Modification