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On another unrelated note, when on cruise control, I hear someting rev up (like a high pitch noise every 15 seconds). Wonder what it is? Sorry for all these stupid questions, but this is the first used car I ever bought and have no idea what to expect.
Pepboys quoted me $300 for the timing belt and labor, so I am going there to change it. When I bought the car, all other fluids were changed for the 60K service.
A simple question to ask to see if they know Hyundai's or Kia's. Ask them what type of automatic transmission fluid goes into the Elantr. The answer is Hyundai, Kia or Mitsubishi SPIII and it can only be this type of fluid. Any other fuild will void your warranty and could very likely lead to transmission failure.
Could call some independent shops and check to see if they work or specialize in Hyundai or Kia.
i would'nt take my car to sears or pep boys for repair work.
too many horror stories about both.especially sears.
if you can;t find a good mechanic then take it to a hyundai
dealer.much better chance of having it done right.
Yep. Unfortunately, they don't work at Sears or Pep Boys, either!
Merry Christmas, all ye owners and contributors. May your new year be a good one.
Jim
Although there are better oil filters, especially the Purolator PureOne, I will use an OEM Hyundai oil filter simply to substantiate my warranty. I change oil every 3K/3months, so I'm not worried about using the Hyundai filter.
For what it's worth, AC Delco makes a filter with the check valve for the Elantra. I have used them before when the OEM wasn't available and had no problems or cold start clatter.
My Hyundai dealer only charges $6 for the filter, and throws the crush gasket in for free, so when I change my own oil, I buy the OEM filter. But they also change the oil using the OEM filter for $15.95, so I usually just go that route.
I wonder whether purolator filters are good for hyundai?
* There was a recall on the exhaust manifold due to cracking. If your noise is an exhaust noise, that could be it. (I had an Escort that had a cracked manifold and the term "jalopy" came to mind in terms of the sound.) I tend to think this isn't your issue since two different dealers didn't identify it.
* There is a Technical Service Bulletin regarding *some* aftermarket oil filters causing noise in the engine, including at least potentially in the valves (you mention "hydraulics"; I'm guessing you mean hydraulic valve lifters). If you've used aftermarket filters, especially (from what I hear) Fram, this may be your problem. Hyundai filters have a bypass valve so that when there is a period of high oil flow through the engine, the filter element is bypassed to ensure an adequate oil supply; not all aftermarket filters that can fit on the Elantra have a bypass valve. Without the valve you can get oil starvation. If you've used aftermarket filters and suspect this is your issue, start using OEM oil filters from here out. It may improve things, but maybe not. (Complete text of the TSB at the end of this post.)
* If you have a crack in the intake, it can make the car sound noisier. Starting from the engine, there is a tube connecting to the air filter box, then another tube that goes into a resonator (in the left front fender, between the headlamp and the wheel well), and finally a "snorkel" tube just behind the left headlamp. The resonator makes the intake of the engine quieter, so if there is a crack in it or between it and the intake manifold, you might get additional noise. (Some people take the air box off and put on aftermarket air filters and it makes the car louder.)
Here is the oil filter TSB:
Page 1 of 1
Technical Service Bulletin
Subject USE OF AFTERMARKET ENGINE OIL FILTERS CAUSING ENGINE KNOCKING NOISE
Group ENGINE MECHANICAL
Number 05-20-002
Date JULY, 2005
Model ALL MODELS
CIRCULATE TO: [ ] GENERAL MANAGER
[X] SERVICE ADVISOR [X] SERVICE MANAGER [X] WARRANTY MGR [ ] SALES MANAGER
[X] PARTS MANAGER [X] TECHNICIAN
DESCRIPTION:
Some vehicles may experience an engine knock noise with the use of an aftermarket oil filter. Aftermarket oil filters may use different materials, construction and specifications
than genuine Hyundai oil filters, which may lead to pressure variations within the engine, thus contributing to an engine knocking noise.
VEHICLES AFFECTED:
All Models
REPAIR PROCEDURE:
Perform an oil change on the vehicle and replace the aftermarket oil filter with a genuine
Hyundai oil filter.
WARRANTY INFORMATION:
Normal warranty procedures apply. This is not a warranty repair.
I just noticed TSB 06-20-004 dated November 2006 for the Elantra, and it covers 2.0L Cylinder Head and Timing Belt Systms - Part Update. Here's the info:
Description:
"An updated cylinder head, timing belt tensioner, and tensioner bolt have been implemented since June 15, 2006 production on all 2006 and 2007 model year 2.0L equipped vehicles. These new parts change the 2.0L timing belt system to an automatic adjustment type from the previous fixed adjustment type."
Vehicles affected include:
2006MY - Elantra 2.0L (Produced from 6/15/2006 - current)
2006MY - Tiburon 2.0L (Produced from 6/15/2006 - current)
2006MY - Tucson 2.0L (Produced from 6/15/06 - current)
So, it looks like those who bought final production units of the 2006 Elantra received not only the new head design used on the 2007 Elantra, but it's new automatic belt tensioner.
BTW . . . the new automatic tensioner system cannot be fitted to the old cylinder head. Darn . . .
Very true - if it were true... The only oil filters which do not come with bypass valves are for some GM applications (and only because the affected GM motors have an internal bypass valve mounted in the engine block), and none of those will even fit a Hyundai engine's threaded mounting nipple. There has to be some provision for bypassing excessive internal pressure buildup in an oil filter because that's the only way to assure the filter cannister won't burst and that the engine will always have a continuous supply of oil in the event the paper filtration media clogs. (Of course clean oil flowing throughout an engine under load is preferable to dirty oil, but dirty oil is always far, far preferable to no oil at all. ) The problematic Fram oil filters from one Fram factory had bypass valve calibrations that were only marginally within Hyundai's specs - and they may've been responsible for the "knocking" noise that some owners complained about. (Hyundai was coyly silent in identifying the miscreant brand(s) - which suggests to this observer the company may've been really been slyly promoting sales of its replacement oil filters than delivering a needed advisory about defective competitive products - especially if naming names might've resulted in the company facing litigation...) In any case, the noise was a pressure shock noise, NOT a rod knock, valve clatter, or piston slap, and pressurized oil was always available throughout the engines. One final note: The use of aftermarket brand oil filters is not a basis for an automaker to deny a warranty claim unless it can prove the individual example caused the failure. (Merely saying XYZ's oil filter caused an engine failure is not proof.) This isn't hearsay - it's guaranteed under the Moss-Magnuson Consumer Protection Act of 1965 and administered by the Federal Trade Commisson as part of that agency's interstate commerce enforcement provisions. The oil filter companies will (and do) reimburse car owners to repair the damage or replace engines caused by failures of their products in service. In that regard the aftermarket industry is held to the same accountability standard as OEM oil filter suppliers. Fram has no higher a failure rate than other filter manufacturers despite some internet Fram-bashing hysterics' claims to the contrary. Fram is a major supplier to Honda America of Honda oil filters - most replacement oil filters sold through Honda dealerships are manufactured in Fram's Canadian plant. (If a Honda oil filter says, "Made in Canada", it's a Fram made filter.) Purolator not only sells through aftermarket channels under its own name, it's also a supplier of certain Bosch Premium* and the supplier of Pep Boys "ProLine" oil filters and its parent company is also a supplier of otherwise identical filters as OEM branded filters to U.S. Toyota and Nissan assembly plants. Ford Motorcraft oil filters available at retail are supplied by Purolator (though built specifically to Ford specifications requring a base-plate end bypass valve) though Motorcraft OEM filters installed on Ford assembly lines are supplied by another company - Hastings, I think. Champion Labs (no relation to Champion Spark Plug Co.) supplies WalMart "SuperTech" brand oil filters, entry level Bosch oil filters, as well as most if not all AC-Delco oil filters currently. Champion Labs also makes the ten-bucks-a-pop K&N oil filters. My point is don't diss the aftermarket suppliers - they're often trusted premium brand and OEM suppliers, too. For those who nevertheless insist on using genuine Hyundai oil filters, rejoice and be exceeding glad - they are very well designed and executed, so use 'em with confidence.
*Bosch Premium (with "Filtech™" media) and Purolator PureONE (with the company's own "Micronic Filtration" media) oil filters compare very favorably in their filtration efficiency. They seem to be priced virtually identically, too.
The reason I am interested in this is that Totalgrip is often onsale for $1.44 a peice. If it's a Purolator Premium Plus, then it's a great deal.
BTW, how much wheel vibration are we talking about there? Is it "just enough to tell the engine is running" vibes or something more than that? And do you remember if you noticed that kind of shaking on your test drive(s)?
Vibration: Compare to others as stated above. Also, engine behavior and performance will change for the first few thousand miles. Gas mileage should improve, also.
As far as the 3000 vs. 7500 goes, if you look at the conditions that constitute "severe", you'll probably find that almost everyone drives their car under at least one or two of those conditions. From the manual:
A - Repeatly driving short distance of less than 5 miles (8 km) in normal temperature or less than 10 miles(16 km) in freezing temperature
B - Extensive engine idling or low speed driving for long distances
C - Driving on rough, dusty, muddy, unpaved, graveled or saltspread roads
D - Driving in areas using salt or other corrosive materials or in very cold weather
E - Driving in sandy areas
F - Driving in heavy traffic area over 90°F (32°C)
G - Driving on uphill, downhill, or mountain road
H - Towing a Trailer, or using a camper, or roof rack
I - Driving as a patrol car, taxi, other commercial use or vehicle towing
J - Driving over 100 MPH(170 Km/h)
K - Frequently driving in stop-and-go conditions
If you're not doing stop-and-go city driving, you're probably driving on some rural roads; between A, C, E, F & K, just about everyone is "severe".
It's a good idea to change every 3000 but not necessarily a requirement for your warranty.
As far as the wheel vibration goes, some vibration is normal. Some movement of the engine in the engine bay is normal. But it won't hurt to have the dealer check to ensure all the motor mounts are properly installed, and the engine is running smoothly. Compare it to other Elantras on the lot and see if it's typical. I get a little vibration through the wheel, but I don't think it's excessive; better than other cars I test drove.
If this happens to be your first new car, it might be that you get critical of everything that strikes you as not perfect. Another complaint people make is the ticking the exhaust makes after you shut off your car. Your old beater probably made the same noise, but you rarely took a couple steps away from it and turned around to admire it after you parked it, so you never hung around long enough to hear the noise.
Is there anything else I can try ?
Is it possible that there could be problems in engine or fuel injection system that would not throw any diagnostic codes ? Is there a way to get the engine inspected by the dealer ?
Any suggestions would be greatly appreciated.
Here is something to try. First, ensure the tire pressures are up to the factory spec (I think that's 30 psi, but you can confirm it on the sticker on the door jamb.) Find a stretch of highway that is relatively flat and allows you to cruise at about 60-65 mph without stopping or slowing for several miles. Get up to speed, then reset the mpg meter on the trip computer. Drive about 10 miles or so. Use a light foot on the accelerator--just enough to maintain speed. If your mpg per the meter is not over 30 mpg (closer to 35+ if a 5-speed), I'd say there is something wrong. I have a '04 GT AT and owned a '01 GLS MT, and I always get in the mid-30s with the GT and upper-30s to near 40 mpg with the GLS under those conditions.
BTW, < 18 mpg in the conditions you describe (city, 2 miles back and forth to a park-and-ride) is not unusual. The engine doesn't have time to warm up fully with that short distance. Also I'll bet you have some stops along the way, which also kill fuel economy.
Mine is automatic. On a highway the mpg meter shows mid 30s for speed ~ 60mph, but drops quite fast even if the trip includes a short stretch in the city. One thing I noticed though is the mpg meter is always showing much higher value than the actual mpg.
I have to check the tire pressure although I dont expect it to be way off mark, especially since I had the car inspected only couple of weeks ago.
City driving is murder on fuel economy.
1. Fill up your tank to pump shutoff (do NOT top off).
2. Reset your trip odometer (and/or record the mileage on the main odo).
3. Drive the way you normally do until your next fillup.
4. When you fill up, fill the tank to pump shutoff again. Record the number gallons. Divide the number of miles on your trip odometer (and/or the current mileage on the main odo minus the mileage recorded in Step 1) by the number of gallons pumped.
The result is your miles per gallon. Some people swear by their trip computers and they are very accurate; for others, not so much. If you have a computer that calculates too low of a mileage, the problem is in the computer (measuring either fuel used or mileage incorrectly). I generally trust the odometer and the gas pump numbers more than the trip computer because both of them are used for commerce, while the trip computer is essentially a "toy" and does not necessarily need to be accurate.
(I have a GLS so I always have to measure it this way; no trip computer.)
By the way, what kind do dealers use?
my 2001 elantra.
thanks/
You mean you just pay the guy and have no idea how much gas they put in???? How do you know you're not getting ripped off? (I mean, even if you don't see the number of gallons, you know how much you're paying per gallon, right? It's easy to figure out the number of gallons from the price paid and price per gallon.)
my 2001 elantra.
Yes, at Hyundai WebTech. Directions for how to get a (free) logon id and how to navigate can be found here.