Mini Ram Van L4-156 2.6L SOHC VIN G 2-bbl (1984)
Vacuum Advance Unit: All Technical Service Bulletins
Distributor - Cold Drive Sag On During Acceleration
Models
1984 & 1985 Caravan, Ram Van & Voyager Models Equipped With 2.6L Engines & Federal Emissions Package
Subject
Cold Drive Sag Occurring During Acceleration
Index
DRIVEABILITY
Date
June 16, 1986
No.
18-20-86
P-2080-C
SYMPTOM/CONDITION
A cold drive sag on medium or heavy acceleration during the engine warm up period. This condition will occur in all ambients.
PARTS REQUIRED
Driveability Package PN 4419403
Consists of:
1
Vacuum Harness Overlay
PN MD107136
1
3-Port Thermal Valve
PN MD097330
1
Mounting Bracket (for vacuum switching valve)
PN MD100733
1
Dual Diaphragm Dist. Advance
PN MD611398
1
Snap Clip
PN MS470362
1
Vacuum Tee (for A/C applications)
PN 3671410
1
6-1/2" Length of Convolute Tubing
PN 4418103
With Fuel Hose
1
Tie Wrap
PN 6015756
Must be ordered separately:
1
Authorized Modification Label
PN 4275086
REPAIR PROCEDURE
This repair consists of replacing the distributor vacuum advance assembly with a new dual diaphragm vacuum advance assembly and related 3-port
thermal valve and vacuum harness overlay. The new vacuum advance system will lock manifold vacuum to the distributor during cold engine operation
for improved cold driveability.
NOTE:
THIS PACKAGE WILL INCREASE SPARK KNOCK DURING ENGINE WARM UP. THIS WILL NOT DAMAGE THE ENGINE
AS INDICATED IN THE OWNERS MANUAL.
1.
Remove distributor cap and lay aside.
