Hydraulic vs mechanical tensioners on 1998-2000 S70's. for sending me the detailed instructions for theįirst off, let me say that there is confusion here in the states regarding Help others contemplating "doing it yourself". I finally finished.I changed the timing belt & associated other parts over the weekend on my 'ĩ9 S70, and thought I'd share some observations I made during the process to Pic of everything off and about to put new waterpump in: the rest is just putting everything back together in reverse order and then refilling the cooling system with coolant.
Volvo s70 timing belt tensioner full#
turn the crankover two full revolutions and make sure all of the alignment marks are still good.Ģ5.
Volvo s70 timing belt tensioner install#
If it is then install the tensioner and pull the pin out of the tensioner rod to free it.Ģ4.
make sure that the right side between crank and intake cam is TIGHT. when you start the exhaust side you should put a bungee cord on the tensioner idler to give it tension. now pull the belt tight on the right side around the roller and start it around the intake cam and over to the exhaust side. work the new timing belt on starting at the right side of the crank and then around to the left until its around the crank. install the new TB roller, TB tensioner idler.Ģ3. clean all of the old gasket off and then put new waterpump on w/new gasket and tighten all bolts down to 15Ft-lbs.Ģ2. have a catch can below it to collect some coolant. remove 7 10mm bolts holding the waterpump down and gently tap with a hammer or similar to break it loose. Remove the coolant bolt on bottom front right side of motor and allow coolant to drain.Ģ0. open up the coolant expansion cap to allow it to drain.ġ9. Drain coolant from radiator, use a 6mm allen wrench and find a hole in the bottom radiator guard, up in there will be a petcock that you take out with the wrench. remove the two 10 or 12mm bolts holding down the TB roller and remove.ġ8. now remove the tensioner idler torx bolt (T-45 I believe), that is the only thing holding that in.ġ7. carefully slide timing belt off of cam gears and work it out around the crankshaft pulley, jacking up the motor a little helped give some clearance.ġ6. Remove two 10mm bolts on the timing belt guard on the right side behind the crankshaft pulley and remove.ġ5. once you line up all marks, remove the top timing belt cover and then the top bolt on the tensioner and then the lower bolt, i think they were 10mm. If you dont see it, turn the engine over another rev and line up the cam marks again and look again for it.ġ3.
once you line up the marks on the cam gears, look down on the crankshaft gear and look in the valley of the gear for a small notch, it should line up with a mark above it on the block. Those marks were very hard to see, but after a while of looking for it I finally found them.ġ2. put a 30mm socket on the crankshaft pulley and turn clockwise with a BIG rachet until you can find the marks on the cam gears. remove wheel well cover nut and fold back cover and clamp vise grips on it to hold it in place.ġ1. remove the two 12 mm bolts holding down the serpentine belt tensioner and remove that.ġ0. turn serpentine belt tensioner and lock in a pin to hold it in place.ħ. take out 10mm bolts on the top timing cover, leave top timing cover on though!Ĥ: lift coolant tank up and disconnect connector on bottom and put on top of motor, then take out 12mm bolt holding the main side timing cover and remove side timing cover.ĥ. take out bolt holding the fuel lines up on top of motor.ģ. loosen 10mm bolt holding down the fuel lines down by turbo.ģ. Quick list of things I did in order to replace everything:Ģ. If anyone has questions then please ask and I will help with what I can. Anyway, I replaced the timing belt, TB tensioner, TB Idler, TB roller, and waterpump while I was down there and thought I would share some pics and info on it incase you were about to do it. I feel like I got into a fist fight with the thing. I just got done with a LONG day of working on the Volvo.
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