Question about Toyota Cars & Trucks
HAVE AN ENGINE GUY REBUILDING MY 3Y ENGINE AND HE SAID THE CRANK WAS FINE WITH A CLEARANCE OF 0.002 IN. SOUNDS EXCESSIVE. IS IT SO OR IS IT OK. THE ENGINE HAS 367000KM ON IT. THANKS FELLOWS.
.002 is fine. You need that clearance for oil to fill in between the crankshaft and the bearing.
Posted on Dec 24, 2013
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Posted on Jan 02, 2017
if it ran fine before belt change, you maybe off a tooth,I've been off a tooth with same engine had same symptoms along with erratic acceleration and poor gas mileage. Took off top cover, lined up no.1 tdc. and I was off 1 tooth at camshaft hole. was able to adjust without dismanteling everything. Loosen idler and you can get enough play to turn cam one cog. hope this helps.
Posted on Jan 03, 2010
Crank Main caps Tightening Torque
For the 12 Pointed Head Bearing Cap Sub-Assembly Bolts
Start from center bolts and tighten in a clockwise rotation working out
Step 1 all bolts 22 Nm or 16 ft lb
Step 2 all bolts 44 Nm or 32 ft lb
Step 3 all bolts 45 degrees additional clockwise rotation using an angle indicator.
Step 4 all bolts 45 degrees additional clockwise rotation using an angle indicator.
Hexagon Head Bearing Cap Sub-Assembly Bolts
1ZZ-FE Engine 18.5 Nm (14 ft.lb)
2ZZ-GE Engine 18 Nm (13 ft.lb)
1. Apply a light coat of engine oil on the threads and under the heads of the connecting rod cap bolts.
2. Install and alternately tighten the 2 connecting rod cap bolts in several passes. Torque: 1ZZ-FE: 20 Nm (204 kgf-cm, 15 ft. lbs.) 2ZZ-GE: 30 Nm (306 kgf-cm, 22 ft. lbs.) If any of the connecting rod cap bolts does not meet the torque specification, replace the connecting rod cap bolts.
3. Retighten the cap bolts by 90° more
4. Check that the crankshaft turns smoothly.
Posted on Mar 19, 2010
SOURCE: HEAT PROBLEM ON 3Y TOYOTA ENGINE
There is a separate T-piece 3way thermostat made by BMW for the old box shaped 318i and 518i cars. It is a separate unit that fits into the water pipes, and not onto the engine. It has a hot water inlet, and a hot water to radiator outlet, and an engine warming outlet. Each outlet has a thermostat. The radiator on opens when the water is hot, and the engine warming closes when the water gets too hot. The temp stays at 85 D Celsius all the time. Works well on my vw synchco bus and subaru 2.5 engine.
Posted on May 04, 2010
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