Difference between revisions of "Gearbox Oil Change"

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The problem here is not removing oil but putting it in.  
 
The problem here is not removing oil but putting it in.  
  
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Despite beautifully clear drawings in the service notes of the Speedo cable entry/refill point, you sometimes wonder if you’re looking at the same car! Access is not easy but can be made easier by moving the coolant header tank (no need to drain) to a better position, and possibly removing the air intake hose to the throttle body.
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The first job is to remove the [[Speedometer Cable]] and speedometer gear from the gearbox and remove the speedometer gear to check the oil level.
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The Speedo gear, which must be removed, is located at the rear of the differential housing and is accessed from above. Tracing the speedo cable down from the bulkhead helps locate it. A retaining plate needs to be removed by releasing a single screw before attempting removal. The speedo gear normally puts up plenty of resistance to removal so be prepared for a fight!
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Try not to use excessive force unless driven to it.  
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If you need to add or refill oil you’ll need a funnel and suitable length of hose (nobody said this was easy). The original Mobil oil specified by Lotus is no longer produced. Lotus now recommends Castrol TAF-X 75W/90, which is readily available and recommended for the S2 Elan which uses the same gearbox as the S1.  
 
If you need to add or refill oil you’ll need a funnel and suitable length of hose (nobody said this was easy). The original Mobil oil specified by Lotus is no longer produced. Lotus now recommends Castrol TAF-X 75W/90, which is readily available and recommended for the S2 Elan which uses the same gearbox as the S1.  

Revision as of 05:07, 5 September 2010

The problem here is not removing oil but putting it in.

The first job is to remove the Speedometer Cable and speedometer gear from the gearbox and remove the speedometer gear to check the oil level.

If you need to add or refill oil you’ll need a funnel and suitable length of hose (nobody said this was easy). The original Mobil oil specified by Lotus is no longer produced. Lotus now recommends Castrol TAF-X 75W/90, which is readily available and recommended for the S2 Elan which uses the same gearbox as the S1.

Draining the gearbox is simply a case of removing the transmission drain plug from beneath the car.

The mysterious refill plug

Some may have one. Some may not. Read on!

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