Toyota Yaris Forums - Ultimate Yaris Enthusiast Site
 

 


 
Go Back   Toyota Yaris Forums - Ultimate Yaris Enthusiast Site > Technical Forums > DIY / Maintenance / Service
  The Tire Rack

Reply
 
Thread Tools Display Modes
Old 02-18-2011, 12:17 PM   #1
jemmah
 
Drives: Toyota Yaris
Join Date: May 2009
Location: Cape Cod MA. USA
Posts: 14
VALVE ADJUSTMENT INTERVAL

I have a 2007 Yaris hatch with 138000 miles. This Yaris has been great other than half-a-dozen headlights each year. I try to do all my own maintenance.
Compression is good all cylinders but it's such a project to check valve lash that the Toyota manual states that valve clearence is checked by a Toyota technician with a stythiscope. I assume having Toyota preform this task would cost me a bundle plus they probably would adjust them whether they needed it or not and there goes the $$$$. I few Yaris owners I spoke to say they never needed a valve adjustment BUT my mileage is higher than most.
I want to know from someone who really knows: What is the point in time where most Yaris's require a valve adjustment. Not a single person I've talked to needed one BUT as we all known this auto had solid lifters and a adjustment should be needed sooner or later. They must be using some serious metal for this area of the engine!!!!
Thanks,
JEM
jemmah is offline   Reply With Quote
Old 02-18-2011, 01:31 PM   #2
cali yaris
ULTIMATE
 
cali yaris's Avatar
 
Drives: 07 Yaris Turbo
Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
Send a message via AIM to cali yaris
Quote:
What is the point in time where most Yaris's require a valve adjustment. Not a single person I've talked to needed one
Doesn't that kind of answer the question?

Maybe another high-mileage driver will have something different to tell you.
__________________
Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific.
cali yaris is offline   Reply With Quote
Old 02-21-2011, 08:30 AM   #3
Vinceb
 
Drives: 2008 5 Speed Sedan
Join Date: Jan 2011
Location: Nova Scotia, Canada
Posts: 77
131,000 km on my 08, never had the valves adjusted. As far as I'm aware in the 'maintenance" which is pointless, since they only 'look' for problems and you still pay extra to fix them, I think it states "check valve clearance (Audibly) - as in they only listen. if they think they hear a problem, it'll cost you to have them take it apart and check it. I don't think anywhere in the Toyota maintenance intervals does it say to actually adjust it at a set # of KM's (or miles) or months.
Vinceb is offline   Reply With Quote
Old 02-21-2011, 08:39 AM   #4
ilikerice
 
ilikerice's Avatar
 
Drives: 2010 black yaris
Join Date: Oct 2010
Location: savannah, ga
Posts: 2,868
well.. using a stythoscope is one way of quick check without pulling the valve cover off.. but u can easily check the clearance with a feeler guage though. i mean if its really buggin you then i see no harm in doing that check..
ilikerice is offline   Reply With Quote
Old 02-21-2011, 11:41 AM   #5
bronsin
 
bronsin's Avatar
 
Drives: 2009 Base Hatch 2 Dr Auto
Join Date: Dec 2008
Location: nj
Posts: 4,790
It is actually quite easy to CHECK the clearances. ADJUSTING them is not so easy. To check them you simply remove the metal valve cover under the black plastic one. You want to remove all the sparkplugs so the engine can easily be turned. Find out what the clearances are and get a feeler gauge. You turn the engine so each lobe of the camshafts points up or very nearly so. Then use the feeler gauge to measure from the round part of the cam to the folllower. This distance tends to get SMALLER not larger as time goes by. Smaller is not good because if it become zero the valves can be held open in the combustion chamber during ignition and burn, destroying their ability to seal. Google Checking Yaris (echo) valve clearances for more info.
bronsin is offline   Reply With Quote
Old 10-07-2016, 01:59 AM   #6
BambuFlute
I've made a post!
 
BambuFlute's Avatar
 
Drives: 07 Yaris Sedan
Join Date: Oct 2016
Location: Brisbane, Australia
Posts: 1
Shims are good because they do not usually need adjusting, but i found on my old Camry, at 150k after I adjusted the shims the car ran much more smoothly and quietly. I bought an 07 yaris sedan with 31k on the clock. It has very noisy valves. I checked the clearance when they were cold and they are all at the upper end or outside the recommended settings for both inlet and exhaust. It seems like someone who did not know what they were doing checked them when they were hot and decided that they were too tight, so put in thinner shims. Apart from that, the economy is good and it goes great. I would adjust the shims if I had the time, but I'm too busy at the moment. The job requires a few days off the road waiting for new shims to arrive. They are not held in stock in the city I live in. Either I pull it apart and measure the shims and put it back together while i wait, or I leave it pulled apart.
BambuFlute is offline   Reply With Quote
Old 10-12-2016, 09:43 AM   #7
fj40dave
 
fj40dave's Avatar
 
Drives: '08 HB
Join Date: Nov 2008
Location: Allyn
Posts: 71
I have 198K on my '08 HB.....no noisy valves - just runs like a top!
fj40dave is offline   Reply With Quote
Old 10-12-2016, 10:13 AM   #8
dogsridewith
 
Drives: 2007 2-door hatchback
Join Date: Jul 2016
Location: USAnotCA
Posts: 750
if never checked in 198k, might want to...silence is not golden w/ valves
dogsridewith is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Variable Valve Sensor Error Craig DIY / Maintenance / Service 13 06-22-2013 03:29 AM
Valve Noise barryware DIY / Maintenance / Service 25 02-13-2013 02:39 PM
Valve train Noise hatchbackkid82 DIY / Maintenance / Service 6 12-28-2010 02:27 PM
Ferrea valve upgrade kit cali yaris Micro Image 4 07-28-2010 11:52 AM
Adjustment to the upper shock mounting point? Goose Wheels, Tires and Suspension Forum sponsored by The Tire Rack 5 06-07-2010 03:41 PM


All times are GMT -4. The time now is 05:14 AM.




YarisWorld
Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.