Reconditioning a gearbox on a Jaguar E-Type Series III is a detailed and meticulous process that requires mechanical skills, the right tools, and a good understanding of the vehicle’s transmission system. Get instant access to the manual—click here for details……
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The Series III E-Type, produced from 1971 to 1974, features a four-speed manual or optional three-speed automatic transmission. Below are the steps and components involved in reconditioning the gearbox, focusing primarily on the manual transmission.
### Tools and Equipment Needed:
1. **Basic Hand Tools:**
– Socket set (including metric sizes)
– Wrenches (open-end and box)
– Screwdrivers (flathead and Phillips)
– Pliers and wire cutters
2. **Specialized Tools:**
– Torque wrench
– Snap ring pliers
– Gear pullers
– clutch alignment tool
– Dial gauge for measuring end play
– Bearing puller
3. **Cleaning Supplies:**
– Degreaser
– Rags
– Brushes
– Parts washer or ultrasonic cleaner
4. **Replacement Parts:**
– Gaskets and seals
– bearings (input, output, and intermediate)
– Synchronizer rings
– Gear sets (if needed)
– Shift forks and pads
– Oil and fluid
5. **Manual:**
– Jaguar E-Type service manual for specifications and torque settings.
### Steps for Gearbox Reconditioning:
#### 1. **Preparation:**
– **Disconnect Battery:** Always disconnect the battery to prevent electrical issues.
– **Lift the Vehicle:** Use a jack and jack stands to securely lift and support the vehicle.
#### 2. **Access the Gearbox:**
– **Remove the Transmission Tunnel Cover:** This is typically secured with screws or bolts and may require removal of the center console.
– **Disconnect Linkages:** Remove the Gear shift lever and any attached linkages to the gearbox.
– **Remove clutch Slave Cylinder:** Disconnect the lines and remove the slave cylinder to gain access.
– **Support the Gearbox:** Use a transmission jack to support the gearbox.
– **Remove Mounting Bolts:** Unbolt the gearbox from the engine and the mounting brackets.
– **Extract the Gearbox:** Carefully slide the gearbox out of the bell housing.
#### 3. **Disassembly:**
– **Clean the Exterior:** Before disassembling, clean the gearbox exterior to prevent dirt from entering.
– **Remove the Top Cover:** Unscrew the top cover to access the internal components.
– **Take Photos:** Document the assembly with photos for reference during reassembly.
– **Remove the Selector Mechanism:** Take out the selector rods and forks.
– **Drain Oil:** Remove the drain plug and let the oil completely drain.
#### 4. **Internal Inspection:**
– **Inspect Gears and Bearings:** Check for wear, pitting, or scoring. Replace any damaged gears or bearings.
– **Check Synchronizers:** inspect synchronizer rings for wear and replace as necessary.
– **Inspect Shift Forks:** Ensure they are not worn or bent.
– **Check for Metal Shavings:** This can indicate internal damage.
#### 5. **Replace Components:**
– **Rebuild Gearbox:** Replace all worn bearings, seals, and gaskets. It’s advisable to replace all synchronizer rings as well.
– **Install New Seals and Gaskets:** Ensure a proper seal to prevent leaks.
– **Reassemble Internal Components:** Follow your documented steps to reassemble the gearbox, paying attention to the alignment of gears
and forks.
#### 6. **Reassembly:**
– **Refit the Top Cover:** Ensure that the cover is aligned correctly and securely fastened.
– **Reinstall Selector Mechanism:** Reattach the selector rods and forks.
– **Install the Gearbox Back to the Vehicle:** Carefully slide the gearbox back into position, ensuring it aligns with the engine.
#### 7. **Reconnection:**
– **Reconnect the clutch Slave Cylinder:** Securely attach the lines and the cylinder.
– **Reattach Linkages:** Connect the Gear shift lever and any other linkages.
– **Install the Transmission Tunnel Cover:** Reinstall any covers previously removed.
#### 8. **Final Checks:**
– **Refill Gearbox Oil:** Use the recommended oil type for the Jaguar E-Type gearbox.
– **Check Fluid Levels:** Ensure fluid is at the correct level.
#### 9. **Testing:**
– **Reconnect Battery:** Reconnect the battery and start the vehicle.
– **Test Drive:** Take the vehicle for a short drive to test the gearbox operation and ensure there are no leaks.
### Conclusion:
Reconditioning the gearbox of a Jaguar E-Type Series III is a complex task that requires careful attention to detail, proper tools, and a systematic approach. It is advisable to consult the specific service manual for the vehicle and, if necessary, seek professional help if you are not confident in performing the work yourself. Always prioritize safety and accuracy throughout the process.
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