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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSJAGUAR1991XJ-6 L6-4.0LREPAIR AND DIAGNOSISSTARTING AND CHARGINGCHARGING SYSTEMALTERNATORSERVICE AND REPAIR
1991 Jaguar XJ-6 L6-4.0L
Alternator: Service and Repair
1991 Jaguar XJ-6 L6-4.0LSECTION Service and Repair
RENEW
- Open the bonnet and disconnect the battery earth lead.
- Remove the air cleaner element for access.
- Undo the alternator link arm adjusting nut (1 Fig 1).
- Loosen but do not remove the alternator link arm trunnion bolt (2 Fig 1).
- Loosen the link arm pivot bolt and pivot the alternator towards the engine.
- Remove the drive belt (3 Fig 1 )from the alternator pulley. Remove the trunnion bolt.
- From beneath the vehicle displace the rubber boots from the alternator cable connectors.
- Note and disconnect the cables from the alternator.
- Remove the alternator pivot nut (4 Fig 1) and bolt (5 Fig 1).
- Displace the alternator from the bracket and remove the spacer washer.
- From above lift and remove the alternator from its location.
- On refitting ensure that the drive belt is adjusted to the correct tension.
- A load of 1.5 kg must give a total belt deflection of 4.5 mm when applied at the mid point of the belt.
TORQUE FIGURES
Through bolts 45-6.2 Nm
Pulley shaft nut 2Z2-35.0 Nm
Rectifier bolts 3.4-3.96 Nm
Bearing plate screws 47-5. 7Nm
Main terminal nut 3.96-5.08 Nm
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.