Change The Oil on a Lotus Elise & Exige
This article covers the Federal Lotus Elise and Exige powered by the Toyota 2ZZ engine. It applies to both the supercharged S models and the naturally aspirated models.
Oil Change Intervals
- 7500 miles for normal use according to Lotus
- 4000 miles for heavy use according to Lotus
- 3000-4000 miles for mixed autocross/street driving
- approximately every 5 track days for track only cars.
That said, I've religiously stuck to 5,000 mile intervals with spirited street driving.
Filter and Oil Options:
Lotus recommends Havoline 5w-40 synthetic by name, but suggests comparable oils would be fine.
The Elige community generally considers Mobil 1 0w-40 and Mobile 1 5W-40 Turbo Diesel to be a good standby. The Turbo Diesel has a higher level of *ZDDP** (Zinc Dialkyl Dithio Phosphate) to help reduce wear of the valve-train.*
The stock Lotus filters are generally understood to be re-packaged Toyota filters. There are a few larger capacity filters available as well that offer both better filtration and higher capacity. Check out Boe Fabrication's oil filter tear down to see the what's inside them.
Cost
The dealership charges around $300 to do an oil change. I usually spend less then $35 by watching for sales at my local parts stores. The difference leaves enough room to buy all the tools you'll need and still save a few bucks.
- Wrench and 8mm and 14mm sockets (6 point preferred)
- M8 Hex Key (some cars use a 13mm hex instead)
- Oil Filter Wrench
- Drain Pan
- Optional powered screw driver or drill
- Rhino Ramps or lower profile Race Ramps
- ~4.5 quarts of synthetic oil. I use Mobil 0w-40 or Mobil 5W-40 Turbo Diesel.
- Oil Filter. I use Mobil M1-209. Others: K&N HP-2009, Wix 51516, Mobil 103, or Toyota #90915-10004
- Oil Plug Gasket. Toyota 90430-12031
Gain access to The Bottom of the Car
I use ramps for oil changes, I find it easier on the Elise/Exige then dealing with a jack and jack stands. Especially because of the limited and fragile jack points on the aluminum chassis.
Back up onto the ramps, being very careful not to drive off them. Leave the car in gear with the emergency brake on.
Remove the Engine Tray
Remove the 11 x 8mm hex screws at the rear and sides of the panel. If you have a powered screw driver, now's the time to use it!
The panel will has no screws along the front side. It simply wedges in above a lip which eliminates the need for screws entirely. Simply pull backwards on the panel and slide it out of the way.
Drain The Oil
Place an oil drain pan under the car. I usually place mine on top of a 3-4" thick tool case to get the pan closer to the car and prevent spillage.
Remove the 14mm hex drain plug to drain the oil.
It's worth noting that the cars oil capacity is actually more then 4.5qts - Depending on year and options, the Elise and Exige have one or two oil coolers at the front of the car. Oil travels in the side sills of the car, through the coolers and back.
This oil stays in the car during a normal oil change service.
Re-install the oil drain plug and tighten to 27 ft-lb.
Use a new oil plug gasket to help reduce the chance of leaks. Though I've had no issues re-using the existing one.
Remove the Oil Filter
The oil filter is pretty strait forward. Using your favorite oil filter wrench (strap or cap-style), just spin it counter-clockwise. Oil will come spilling out of the sides. I usually spin it quickly, then stop as soon as it starts puking down the sides.
Let it slow down to a drip and spin it off the rest of the way.
Pre-fill the New Oil Filter
I pre-fill the new oil filter with clean oil to potentially reduce the amount of oil the engine has to pump back in on the first startup. The Mobil 209 filter I use easily soaks up half a quart.
This may be totally unnecessary, but it gives me peace of mind.
Wipe some fresh oil onto the new oil filter's gasket. This helps get a proper seal when re-installing.
For what it's worth, here's a size comparison between the stock Lotus oil filter and the much larger Mobil M1-209
Inspect the oil filter adapter.
I always visually inspect the oil filter mounting surface, and clean it with a clean paper towel. You don't want anything like dirt or the gasket from the old filter preventing a good seal. (you only make that mistake once)
Screw on the new oil filter.
The side of my Mobile filter says hand tight + 3/4 turn. So I tighten it till I cant spin it anymore, then use my strap wrench to go the rest of the way.
Double Check the Drain Plug
Re-fill with Fresh Oil
Remove the oil fill cap.
It screws off by hand but is always mysteriously tighter then when you put it on last time.
Using a small funnel, pour in the remainder of the 4.5 quarts.
Remember you used approximately .5 to fill up the filter.
Start the Car and Check Fill Level and Leaks
At this point I jump in and start up the car. I like to do this before I put the belly pan back on because it's hard to check for leaks otherwise. Run the car for a 30 seconds or so just to get the oil moving around.
Now check the dipstick to make sure the level is where you want it.
I always check mine on the ramps, so I expect the dipstick to read a little high with the oil tilted toward the front of the car. Mine is usually near the top of the two marks at this point.
Re-install the Belly Pan
Your pretty much done, time to slide in the panel and tighten down the bolts.
I usually slide under the car, holding the panel on top of me. Push the front of the panel up into the groove it sits in (take care getting both sides in).
Then I install the 2 large center screws, not tightening them all the way. Just enough to hold the panel in place but still slide around a tad to keep the surrounding screws from binding.
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Written by:iturgeon
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