Hi, changing gearbox oil is quite an easy work for proton iswara lmst manual transmission. Figure 1: Proton Iswara LMST Usually, we need to replace gearbox oil for every 30000km, this is recommended distance.. However, in my case, I change my gearbox oil for every 2-3 engine oil change depending on how i drive the car. PARTS: 1)Gearbox oil Castrol GL4 or Penzoil grade 80w-90 (price around RM60 for 4 liter) Figure 2: Manual Transmission Gearbox oil for Iswara LMST TOOLS 1) jack 2) oil drain pan 3) rachet spanar size 24 to release oil drain nut. 4) spanar size 17 for gearbox oil filler nut. 4) adjustable spanar (if require) 5) Oil filling bottle with tube (important to fill the gearbox oil due to small space) need to prepare this before start drain the gearbox oil. PROCEDURE: 1) park car on the level surface and secure the car to prevent movement when doing the work under the car 2) jack the front of the car to give pro...
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