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Blue_DC4
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AL Nov/01/07 1998 LS User ID: 82965
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11/17/2009 |
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I bought a 2000 GSR about 6 months ago from a private/local seller. He said that he bought it from the honda dealership with a blown headgasket for a good price and replaced the gasket and said it ran fine ever since. I bought it as a project car since I already have a 98 LS as my daily driver. I did a compression test, drove it for two days, checked all the fluids and even got a shop to check it out. Everything checked out perfect.
4-5 months down the road, it starts smoking from the tail-pipe when I start it, and only when I start it. Also, its burning oil pretty bad, hence the smoke coming from exhaust. I changed the oil a few weks ago and less than two weeks later the oil level was barely touching the tip of the dipstick. Other than that the car runs great and it never threw a CEL or seemed to drive rough or anything.
Smoke doesnt smell sweet and there isnt any oil in the coolant so its not a blown headgasket as far as I know. Keep in mind I only drive this car once or twice a week if that so its been sitting in my driveway most of the time.
I finally got a chance to take it to the shop today and they basically told me what I already knew. He thought it was an oil leak at first, but after looking at it and driving it he said its definately an internal problem. He kept saying that it was showing all the signs of the rings going bad but he couldnt tell without ripping the engine apart. Im guessing he was talking about the cylinder rings between the head and the block? He then told me that the engine would have to be ripped apart and rebuilt but said his shop doesnt do internal work. He proceeded to tell me that rebuilding a 10 year old engine would be pointless and that I should just buy a new engine. Obviously this guy has never owned a honda/acura.
Has anyone had this problem? Can anyone reccomend what to do next? I know I need to take the head off and check the rings and gasket, but Ive never done anything besides fluids/filter changes, brake, suspension, and exhaust work. Should I pay out the ass to let someone else do the work or could I do the work myself? Or would it be cheaper to just buy a new engine? I would say Im somewhat mechanically inclined. I mean I grew up with a mechanical engineer working on cars all the time, but Ive never personally had to rip into the engine like this. Im thinking while Im in the engine already, I could do it right and get the head resurfaced and replace the head studs and maybe buy some new goodies while Im at it. Please help. Thanks
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94 LS - SOLD
98 LS - Daily Driven
00 GSR - My Pride & Joy
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Cuda472
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CT Sep/03/07 2000 GSR User ID: 81202
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11/20/2009 |
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You said that you did a compression test on the motor, but what were the results of the compression test? If you're burning oil it is more than likely your rings going bad. Also how many miles are on the car? I would do another compression test and post the results as well as comparing them to a Service Manual
Sounds like the guy has already diagnosed it as a ring problem and as for rebuilding it NO NO NO do not let someone else do it. This is my opinion on the matter, you have a daily driver, and if you have never done it before then you're going to be able to take your time with it. I rebuilt my motor after NEVER having done so, and just by researching and taking my time have a motor with 15k on it. Actually it survived me driving from Connecticut to Alabama for school and is still chugging along just fine
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The only replacement for displacement is technology and engineering |
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codenamezero  |
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Canada, ON Jan/15/03 1999 SE User ID: 15302 Name: Eric
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11/20/2009 |
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Blue_DC4
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AL Nov/01/07 1998 LS User ID: 82965
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11/17/2009 |
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Quote: Originally posted by Cuda472 on Nov/05/09
You said that you did a compression test on the motor, but what were the results of the compression test? If you're burning oil it is more than likely your rings going bad. Also how many miles are on the car? I would do another compression test and post the results as well as comparing them to a Service Manual
Sounds like the guy has already diagnosed it as a ring problem and as for rebuilding it NO NO NO do not let someone else do it. This is my opinion on the matter, you have a daily driver, and if you have never done it before then you're going to be able to take your time with it. I rebuilt my motor after NEVER having done so, and just by researching and taking my time have a motor with 15k on it. Actually it survived me driving from Connecticut to Alabama for school and is still chugging along just fine
The car has 107k miles on it. The compression test results were as follows:
Cylinder #1 - 230 psi
Cylinder #2 - 230 psi
Cylinder #3 - 235 psi
Cylinder #4 - 230 psi
^These results are from about 3 months ago. I need to run another compression test I guess.... Its just so cold outside damnit.
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tym1200
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715, WI Oct/01/09 2000 LS User ID: 103528 Name: Tyler
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11/20/2009 |
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Would the smoke at start up be from valve seals?
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Blue_DC4
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AL Nov/01/07 1998 LS User ID: 82965
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11/17/2009 |
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^Im not sure. Would it? I will run another compression test tomorrow when I get off and post the results.
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tym1200
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715, WI Oct/01/09 2000 LS User ID: 103528 Name: Tyler
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11/20/2009 |
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If compression is low in one or more cylinders, you can isolate the problem to the valves or rings by squirting a little 30 weight motor oil into the cylinder through the spark plug hole and repeating the compression test. The oil temporarily seals the rings.
If the compression readings are higher the second time around, it means the rings and/or cylinder is worn. No change in the compression readings would tell you the cylinder has a bad valve or valve seal
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Blue_DC4
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AL Nov/01/07 1998 LS User ID: 82965
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11/17/2009 |
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ok so if/when I run a compression test, what will that tell me if one or two of the cylinders is low? That theyre worn or that I need to replace the valve seal, or rings, or what?
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tym1200
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715, WI Oct/01/09 2000 LS User ID: 103528 Name: Tyler
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11/20/2009 |
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Do the first compression tests without putting any oil in the cylinder thru the sparkplug. Remember what this number is.
Next, add some oil to the cylinder( spoon full should be fine) and run the compression test again .
If the 2nd test(wet) numbers are higher than the 1st test(dry), it means that particular cylinder has bad rings most likeley, needs rebuilt.
If the 2nd test numbers are the same as first, it would point to something in the head, such as the valve seals.
So run this test for each cylinder seperately, and write the numbers down, maybe post them up here afterwards.
write all these #'s down
CYL 1 DRY PSI= WET PSI=
CYL 2 DRY PSI= WET PSI=
CYL 3 DRY PSI= WET PSI=
CYL 4 DRY PSI= WET PSI=
The compression numbers you got 3 months ago all looked good, 210-230 is norm
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Changes To This Post: » Changed Topic Subject by tym1200 at 11/5/2009 10:22:22 PM » Repaired Quote, Link, or Image by tym1200 at 11/5/2009 10:14:23 PM |
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Blue_DC4
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AL Nov/01/07 1998 LS User ID: 82965
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11/17/2009 |
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Alright I'll do that. Thanks man.
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Blue_DC4
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AL Nov/01/07 1998 LS User ID: 82965
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11/17/2009 |
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ok so I ran another compression test. This time I did all 4 cylinders dry and then wet. Dry, they were all 240 psi. Wet they were all maxed out on my gauge at 300 psi. This makes no sense to me. I thought if your compression was good that meant there were no problems? Why is my car smoking?! I still havent seen a CEL but Im burning oil like theres no tomorrow.
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grjr
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Bakersfield, CA Mar/10/07 1997 GS User ID: 75741 Name: Gilbert
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11/20/2009 |
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sounds like you have bad/damaged valve stem seals, you can replace them without removing the head, you just need to take the cams out and use either string or compressed air to hold the valves in place while you remove the keepers/retainers/springs to get at the seals. If you take the valve cover off you may be able to see the valve stem seals (can on a LS don't know about GSR).
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'97 Integra GS 5spd 2dr |
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djboi209
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Merced, CA Dec/21/06 2000 GSR User ID: 73303 Name: Leng
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11/19/2009 |
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I think its better to do a leak down test, this is a diagnostic tool and it will tell you what is bad. The compression test just tells you the health of the rings. Even though it reads that your rings are good doesn't mean you have good oil rings.
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Leng Lee |
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nutbuster123
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GERMANY, Jul/12/08 1999 GSR User ID: 91135 Name: Steve
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11/20/2009 |
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To the OP. My car is experiencing the same symptoms as yours. My car starts fine and runs fine. I have been driving this car as my DD in this condition for over year around town and the occasional 140-150 mph on the German Autobahn. I just keep an eye out on my oil and add more when needed. I have noticed that city driving consumes more oil than highway driving for some reason. I figured I'd buy a new engine or rebuild when my engine finally gives up.
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Changes To This Post: » Repaired Quote, Link, or Image by nutbuster123 at 11/7/2009 3:19:37 AM |
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