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Toyota Corolla Maintenance and Repair
Last post on Sep 23, 2012 at 10:12 AM
You are in the Toyota Corolla
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Toyota Corolla, Sedan
#2440 of 3844 Re: burning oil [mcdawgg]
Apr 26, 2006 (4:30 pm)
My 1999 Corolla has over 214,000 km (133,000 miles), manual transmission, original clutch, and I have been fighting an oil consumption problem for two years. I lose a quart every 1,500 km (1,000 miles), so if I don't fill up between oil changes, it would be bone dry.
One dealership told me this consumption was "within Toyota specs", but another dealership never heard that before. They figured it was a carbon buildup and attempted to remove it by removing the oil and spark plugs and putting a heavy-duty pre-tune-up fluid to dissolve the carbon around the rings (compression test before this came up "normal", so no cracked cylinders), and leave it sit overnight. Put in new oil and spark plugs, and away I go. Although I got a noticeable increase horsepower (two year's of combusted oil in the cylinder chambers didn't help performance), my oil consumption is the same as it was before.
The car is otherwise in perfect condition, so I'm seriously considering an engine overhaul...
#2441 of 3844 Re: burning oil [darrelmaltby]
Apr 27, 2006 (4:20 am)
First thing I'd do is consider the possibility I have a stuck PCV valve. Cheap stuff. Pull it and shake it back and forth. If you can't hear the ball bearing in it move (click/clack), replace it. It can contribute to oil consumption.
Second thing I would do is place a white sheet of poster board down on the ground under where I park. I'd look for signs of dripping oil, and see if I could locate it. Maybe you have a leaking oil pan or leaking drain bolt.
Third thing I would do is use an engine degreaser to clean the engine free of junk. Then I would drive it for 1K and see if there was an obvious source of leaking.
#2442 of 3844 Re: burning oil [user777]
Apr 27, 2006 (5:38 am)
Thanks for the quick response! I'll have to look into the PCV valve, since that sounds like a new recommendation.
As for the oil leak checking, I have had three engine shampoos to check for seepage over the last two years, and although a tensioner O-ring was replaced, the mechanic didn't think it was the primary cause for the oil loss.
I park the car in the same spot on my driveway for the past 6 years, and there isn't a mark on the driveway at all, from any stains.
When the spark plugs were last replaced, there were only about 20,000 km on them (12,000 miles), and a couple were already showing signs of problems. I had them replaced last summer since the last set were actually causing mis-fire problems because one of the spark plugs was completely gummed up (likely from trying to burn oil along with the gas).
I have had a mechanic (always Toyota service centres for the car) think that a sludge build-up on the valve covers could have been the cause of the oil consumption, and they put in a Wynn's engine treatment, but that didn't resolve anything. I have tried various engine treatments from Valvoline, etc., but didn't want to do too many, since they may conflict with each other and complicate the issue further.
The last thing I heard from one of the mechanics was a potential problem with the short block, but that sounded sort of vague.
Thanks again for helping!
#2443 of 3844 New Corolla and pb with 3rd gear
Apr 27, 2006 (1:39 pm)
My corolla is only a few hundred miles but since I bought it I've always had difficulties with the 3rd gear which is very hard to put (I have to go to neutral each time before which is not viable).
I'd like to try to raise the clutch pedal: can someone explain me how to proceed?
Thank you for your help
#2444 of 3844 2T-C or 3T-C engine swap for Model A Ford
Apr 27, 2006 (7:53 pm)
I am completely new to Toyota engines, but this month's Rod and Custom mag showed a couple of Model A street rods that had non-traditional engines in them. Not the typical 350/350, 454 or flattie engine, but 20R and 22R engines. The horsepower and speed accessories are easy enough to come by and easy enough to add as desired. Adding some sidedraft carbs, be it Webbers or 240Z made it look pretty good in the pics they showed. I have a 1930 tudor that I plan on swapping the stock engine out of in the near future. I am interested in learning more about these engines and would like to know which would be the better choice if economy and ease of repairs is more the issue than getting break neck speed out of the engine? I have heard they are almost give aways at many wrecking yards, but I am trying to find the best year model that would likely be easiest found and parts changed as necessary. I hear the 20R has a round intake and exhaust that is more desirable than the 22R. What year model Corolla would offer the best choice for this cruiser application? Is there any year model without all the computer gizmo stuff or is that something I'll just have to take as a given? Anyone have some good engine pics to share?
Again, this is not meant to end up as a cookie cutter street rod, so this engine may not be what a traditionalist street rodder may want to envision, but it will work for me. Any tips on sites that may be helpful?
#2445 of 3844 Re: New Corolla and pb with 3rd gear [jean70]
Apr 28, 2006 (6:20 am)
Manuals are a little stiff at times when brand new, but this should go away soon - if not, back to the dealer! What exactly do you mean by "very hard to put"? Do you have to put in neutral, release clutch, then engage clutch and try again, or what???
What do you mean by "raise the clutch pedal", and why would you want/need to?
Again, please more detail.
#2446 of 3844 Re: New Corolla and pb with 3rd gear [mcdawgg]
Apr 28, 2006 (9:50 am)
When going from 2nd to 3rd, I have to stop in neutral one second (without releasing the clutch) and then go on 3rd.
For 3rd to 4th or 3rd to 2nd there is no problem.
From 4th to 5th I just have to go very slowly.
There is no carpet below the pedals.
I thought that tightening the cable would make things easier: don't you think so?
#2447 of 3844 Re: New Corolla and pb with 3rd gear [jean70]
Apr 28, 2006 (11:32 am)
Are you putting your foot all the way to the floor every time you shift? Maybe trying only 3/4 on the way down and see if that helps it any. Or you can try to double clutch it and see if that does anything but you shouldn't have to in a Corolla. I'd take it back to the dealer if I were you.
#2448 of 3844 How to Paint a Fender
May 01, 2006 (12:45 pm)
My fender is damaged, I am thinking of buying one and painting the fender myself to match the current paint. Anyone has tips or a process that I should follow to Paint. Its a 98 Corolla and I was thinking of buying from Shucks/Napa.
#2449 of 3844 Re: New Corolla and pb with 3rd gear [jean70]
May 02, 2006 (7:11 am)
If it happens everytime, then take it to dealer.