Any scoring on the camshaft-sealing surface may cause a leak; the camshafts are castings and are somewhat soft. Quick access to automobile-catalog website - type in a browser: a-c. The torqued values given are from the manufacturer are for dry conditions. This is at least 80% over torqued condition. If there are 5 lugs: tighten lug at 2 o'clock position to 7, then to 12, then to 4 then to 10.
Historically, Toyota has made far more chain-driven engines than belt-driven ones, and their durability index has stayed consistently high because of the use of chains. My understanding is that the grade … they state is the grade they tested with. The top nut is tricky to get, you may want to slightly loosen it w … ith a wrench because of clearance, and spin it off the rest of the way by hand. It is, only problem is, it is very hard to find but it is in the manual. Do not worry it will take a lot to cross-thread the bolt. Torque the bolts in the proper sequence 1-8 to 37 ft. Look for leaks, evidence of contact between the belt and the covers or the front of the engine, and roughness of rotation in the water pump or rollers.
Lower intake manifold bolt tightening sequence - 4. You might need to slightly turn the front camshaft pulley to put just a small amount of tension on the belt to hold it in place, while you fish the belt around the other positions. If your car pings with regular, you need to upgrade. Remove the bracket that holds the right-side mount assembly. Loosen the crankshaft pulley bolt. Torque the bolts in the proper sequence 1-8 to 37 ft. Using a torque angle meter turn the bolts 90 degrees in the proper sequence.
If not servicing the individual components, remove the manifold as a complete assembly. Using a torque angle meter torque the fastener an additional 30 degrees. You will need to do some homework and access the complete procedure either in print form or through an online source. I plan on trying this tomorrow - wish me luck oem suggests 92 octane or better, mid grade 89 can be used. I usually look closely at the accessory belts, and make a determination from there for the recommendation of doing a timing belt inspection. Like some are moly based, silicone, alum-oxide, etc. Step 1 Tighten bolts in sequence to 25-35 ft.
After cleaning the front covers and depressing the timing belt tensioner in the shop press use a pin or small hex wrench to hold the shaft in the depressed position , I started the reinstallation of the timing belt. Note: This is not where the thermostat lives. Lastly, try to install in the cross pattern. Though the engine is fairly close to the right-side inner fender area, the working space is better than some other cars. Tighten intake manifold bolts first pass in sequence to 44 inch lbs. Oil Pick-up Tube-to-Oil Pump Bolts 1979-87 10-15 ft.
Ask him for the video. Check the timing marks at the crankshaft. If not, do not worry that much. Thank you: Left side front cylinder head Cylinder head bolt torque sequence-3. Because these cars have high value and popularity, and the fact that most models do not suffer serious consequences due to a failed belt, timing belt replacements can provide many years and miles of additional service. Because a mistake can be very costly, reading through the service manual process before taking it apart can save time and a lot of heartache.
It would be too much work to go back in after putting it all back, only to find a leak. Reproduction of part or all of the contents of this web-site in any form is prohibited and may not be recopied and shared with a third party. A few little details will make the removal of the engine covers and components a little easier. Right side rear cylinder head: Cylinder head bolt torque sequence-3. Thermostat Housing-to-Engine Bolts Through 1987 9-12 ft.
If your not mechanically inclined, buy the video on how to Fix Your Lexus, I did. Two degrees in Mechanical Engineering and a career in machine designing gives me the qualifications for these statements. Some product and company names mentioned on this site may be trademarks of their respective owners. Now I know why they say taking it to a … dealer is a rip off. There's a tiny hose on the left-side that might need reconnected when you lift up the cover.
Follow the specifications for torque carefully; Toyota lists them in three different forms, Nm, kgf. Rocker Arm Fulcrum Bolts 18-25 ft. Using a torque angle meter turn the bolts 90 degrees in the proper sequence. Not hard to change the oil once you can fina … lly find that little sucker! Torque the bolts to 17 ft. Remove the Glove box by pulling the 2 knobs of each side of the box. Remove the timing belt, starting at the tensioner roller and working clockwise, and ending at the crankshaft pulley.
Torque the bolts to 12 ft. The lower timing belt guide goes on the crankshaft with the concave cup side facing out. Pull outwards from the rear of the vehicle and reverse order obviously for installation. Remove the accessory belts by loosening their adjusting bolts and brackets. As engines get more complicated and expensive to repair, educating your customer on the need to do preventative maintenance becomes even more important. Oil Pump Bolts 22-32 ft.