WAIT... IS YOUR MECHANIC NOT A CERTIFIED MECHANIC IN A SHOP ?
Do not let any KNOWITALL touch your car , and your tensioner was the cause of the belt breaking , slack means heat and heat breaks the belt , also , I agree , replace all that was mentioned in the preceding answer...
Happy trails ??
I'd leave most of it to the mechanic.
The most likely cause is a timing belt change that was badly done in the past.
You could ask the mechanic
- to use a good quality new timing belt eg Dayco
- to change the water pump if it was not done in the last 100000 mi or so. It is behind the timing belt, so a good opportunity.
- if the timing belt tensioner should be changed too. They do weaken.
- if threadlock should be applied to the crankshaft pulley bolt. Toyota does do that at the factory.
- to check for oil leakage at the crankshaft nose oil seal. This can be changed while the pulley is off.
SOURCE: 1993 Toyota Camry V6 Timing Settings
Get a T belt from toyota. It has 3 white lines on
it and and arrow mark. 2 lines are solid and one is broken. Put the
arrow facing away from the engine. The cam gears have a dot punched
into them near a certain tooth. This is where the solid white lines
will line up with. The crank gear will have a dot also. It will line up
at 90 degrees from the top, towards the front of the car. This is where
the broken line will match up with. With the belt installed with all
lines on their proper dots and arrow away from the engine, you valve
timming is correct.
Of course you need to remove and compress the tensioner also. I assume you know this already since you didn't ask.
SOURCE: need to replace the thermostat in a 1994 Toyota Camry
1. Look up along the lower radiator hose. It will plug into a metal
tube on the engine side. Follow the metal tube. It goes to a housing.
The housing is kind of buried in the driver's side of the engine. There
are 2 smaller coolant tubes plugged in above it. You do not need to
touch those, although it looks at first glance like you do.
2. Disconnect lower radiator hose at the metal tube.
3. Disconnect fan switches 1 and 2. These are on elecrtical harnesses going to this housing.
4. Disconnect a sensor on the front of the engine, just above
the lower hose. I believe this is the knock sensor, but I'm not sure.
5. Now for the fun part. There are 3 bolts holding this housing
on. You can see one at the top. There are 2 others underneath it, such
that the bolts form a triangle pattern. You will have to get the bottom
2 out by feel (blind). They are 10mm.
6. Also, if you look to the front of the housing, you will note
another 10mm bolt on the front holding down a black plastic leg. This
is a wiring harness duct. Remove that bolt. Trace back along the duct.
There is one more bolt on the driver's side retaining the duct. There
is also one on the back of the engine at the firewall / driver's side.
Remove these 2 as well.
7. There is a 12mm bolt holding the metal tube from that housing to the driver's side. Remove that bolt.
8. Gently pry the plastic wiring duct toward driver's side, and
back toward firewall. You have just enough to get it off of the stud on
the thermostat housing.
9. Now you can pull the housing. It will not come all the way
out. It will come loose enough to give you just enough clearance to
remove the thermostat (barely). Once you remove the thermostat, you
have to pass it downward and toward the firewall to fumble it out.
By the way, you will notice that the metal tube is kind of wiggly in the thermostat housiung. This is normal.
10. Pass the new thermostat in the same way you got the old one
out. Make sure when you plug it in that it has an air bleed poppet, and
that this poppet is facing up.
11. Reassemble by reversing removal. Getting the nuts / bolts back in blind is... fun...
I don't know the torque spec. You can get a torqure wrench in
there barely if you get creative with extensions, knuckles, etc. I
wouldn't go abouve 8-10 ft-lb.
SOURCE: How much freon does the 1994 Toyota camry hold?
Refrigerant Type R-134a Amount 30oz
Oil Type PAG-46 amount 8 oz
Please take time to rate this fixya
SOURCE: removing crankshaft pulley on 93 Toyota camry v6
put a breaker bar and socket on the bolt, put the breaker bar against a part of the cars frame or with a pipe extending the length of the breaker bar, rest it on the ground - MAKE SURE IT IS STABLE AND WILL NOT MOVE OR FURTHER DAMAGE AND INJURY COULD OCCUR- have some one watch the breaker bar (from a safe distance) while you QUICKLY bump the ignition with the key. Remember the motor turns clockwise so rest the your breaker bar securely with the direction of rotation in mind!
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