Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSJEEP1986CHEROKEE LAREDO, 2D UTILITY, 2.1 B, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEIGNITION SYSTEMIGNITION SYSTEM - HEI (FEDERAL)SPECIFICATIONS

1986 Jeep Cherokee Laredo, 2D Utility, 2.1 B, 4WD

Ignition System - HEI (Federal): Specifications

1986 Jeep Cherokee Laredo, 2D Utility, 2.1 B, 4WDSECTION Specifications

DISTRIBUTOR - AUTOMATIC ADVANCE SPECIFICATIONS⁽¹⁾⁽⁵⁾

Part No.

Degrees

RPM

Degrees

RPM

Degrees

RPM

1103376

0-3

700

6-8

1400

9-11

2100

1103420

0-3

1000

N/A

11-13

2000

1103436

0-4

650

7-9

1200

10-12

2300

1103465
⁽²⁾

0-2

700

3-5

1000

9-11

2100

1103572
⁽²⁾

0-2

800

5-7

1600

8-10

2000

1103573
⁽³⁾

N/A

1103625
⁽³⁾

N/A

1103631
⁽⁴⁾

0-2

800

15-7

1600

8-10

2000

1103634
⁽³⁾

N/A

1103636

0-2

700

3-5

1000

9-11

2100

1103641
⁽⁴⁾

0-2

700

3-5 -

1000

9-11

2100

1103644
⁽³⁾

N/A

1103655
⁽³⁾

N/A

⁽¹⁾	All distributors rotate clockwise, as viewed from end of rotor.

⁽²⁾	Used with E.S.S. system.

⁽³⁾	HEI-EST distributor does not use vacuum or centrifugal advance mechanisms.

⁽⁴⁾	Used with E.S.C. system.

⁽⁵⁾	For distributor RPM and Degrees multiply specifications by 2.

DISTRIBUTOR - VACUUM ADVANCE SPECIFICATIONS⁽¹⁾⁽⁵⁾

Part No.

Degrees

Inch High

Degrees

Inch High

1103376

6-10

12-13

1103420

9-11

12-14

1103436

2-4

6-9

1103465

2-4

6-9

1103572
⁽²⁾

3-6

7-9

1103573
⁽³⁾

N/A

1103625
⁽³⁾

N/A

1103631
⁽⁴⁾

2-4

5-7

1103634
⁽³⁾

N/A

1103636

7-10

12-13

1103641
⁽⁴⁾

2-4

5-7

1103644
⁽³⁾

N/A

N/A -

N/A

1103655
⁽³⁾

N/A

⁽¹⁾	All distributors rotate clockwise, as viewed from end of rotot.

⁽²⁾	Used with E.S.S. system

⁽³⁾	HEI-EST distributor does not use vacuum or centrifugal advance mechanisms.

⁽⁴⁾	Used with E.S.C. system.

⁽⁵⁾	For distributor RPM and Degrees multiply specifications by 2.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.