Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Vehicle - Driveability

Group: 28

Number: 93-04

Date: May 15, 1993

SUBJECT:
Vehicle Driveability

MODEL(s): All
All m.y.

When receiving complaints about driveability, only replace distributor rotors if you find the following:

- Cracked or damaged rotor assembly

- Incorrect resistance reading on rotor arm must be 1000 +/- 400 Ohms

NOTE
Rotor must be marked with RI for Hall generator equipped cars.

- If di-electric material on surface of rotor is discolored or cracked caused by excessive heat.

Rotors must not be replaced for any other reasons under Warranty.