Regal V8-307 5.0L (1986)
Voltage Regulator: Customer Interest
Voltage Regulator - Failures
Bulletin 87-6D-6A
Date
Apr. '87
Ref. No. 87-061A-6D
Corp. Ref. No. 736401R
SUBJECT:
VOLTAGE REGULATOR FAILURES
MODELS AFFECTED: 1986-87 LESABRE AND ELECTRA WAGONS 1986-87 REGALS
NOTICE:
This bulletin adds generator part numbers and replaces Dealer Service Bulletin 87-6D-6, which should be discarded.
CONDITION
Under certain operating conditions, the voltage regulator may become inoperative, causing either a no-charge or full-charge condition. A no-charge can
lead to a no-start condition, while a full-charge can lead to excessive battery charging, which can damage the battery.
CORRECTION
An improved voltage regulator, Part Number 1116423, has been released. Replace the original regulator with the new regulator which can be used on
any of the affected models.
If the entire generator must be replaced, use the table below for correct part numbers.
Engine
Rating
Series
Original P/N
Service P/N
LV2
78
12SI
1105565
1101324
78
12SI
1105567
1101324
94
12SI
1105493
1101324
LD5
56
12SI
1100239
1101307
78
12SI
1100200
1101307
94
12SI
1105444
1101308
70
15SI
1105197
1101322
85
15SI
1105548
1101323
Warranty Information
Use existing labor operations.