Question about 1994 Chevrolet Corsica
3100 sfi v6 how do i release the belt tension to remove alternator?
SOURCE: how to release tension on serpentine belt to
need to release the belt tensioner with the appropiate tool and take out the belt and remove the alternator.
Posted on Oct 28, 2010
SOURCE: how to release tension on 1995 chevy 5.7L serpentine belt
Look at the diagram which should be on the radiator fan shroud. This will show you the path the belt takes around the myriad pulleys on the engine. There is a tensioner pulley whose only job is to maintain the tension of the serpentine belt. It may be marked on the diagram. If not, it is the pulley, usually near the top of the engine, that is not the air compressor, alternator, water pump, etc. I have found that a box-end wrench or a socket wrench which fits the bolt on the pulley, is sufficient. Just gently swing the pulley away from the belt slightly. Just enough to release the tension so you can slide the belt off. You don't have to worry about the bolt coming loose, as it should have far more torque holding it on than you'll put on it to release the belt tension. Note, that once the belt is off, the tensioner will swing further than it was before, since the belt is not there to stop it. So when you put the belt back on, you'll have to swing it back down/up to the same position it is in now, if not farther, since the new belt hasn't stretched.
Posted on Jan 25, 2009
SOURCE: Serpentine belt tension release
on the idler there is either a bolt or a square hole. if it has the square hole it is for a 3/8 drive breaker bar if it just has the bolt on it find a wrench that fits turn either of them right as if you were tightening them this will release your tension.
Posted on May 20, 2009
SOURCE: replacing thermostat on 3100 sfi v6
1. drain coolant from radiator
2. unbolt and remove the water neck from the engine block (it's attached to the upper radiator hose) and scrape any leftover gasket material off of the mating surface w/ a razor or gasket scraper, being careful not to actually gouge the metal
3. pull thermostat out of engine block (it's easy to see w/ the water neck off)
4. scrape any gasket material off mating surface on engine side, being even more careful not to gouge the metal here
5. place new t-stat on engine side opening
6. place gasket over the thermostat (you can put a thin bead of RTV sealant on both sides of the gasket if you wish, some people think it's overkill, but i hate doing things twice)
7. replace water neck
8. refill cooling system, use the little brass bleeder screw on top of the motor to bleed out the air until a steady stream of coolant is coming out after the engine is warmed up. close the screw.
Posted on Sep 29, 2009
SOURCE: need to change alternator but dont know where
Ok, the easy way to find the belt tensioner is:
Find the two pulleys that are made out of plastic or nylon. Grab the belt and pull (or use a large screwdriver, or something like that for leverage). Watch to see which pulley moves side to side, not rotating; it'll be one of two smaller pulleys in the middle of everything. When you find this, then you can put a socket and ratchet on the bolt in the middle of the pulley, and turn to get it to loosen. It won't stay put, so you'll have to loosen, and slide the belt off say, the water pump pulley(also for the fan), then you can let the tension off. Hope this is what you were looking for.
Posted on Dec 01, 2009
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Fig. Accessory serpentine belt routing-3.8L engine (click for zoom)
Using a 15mm wrench attached to the drive belt tensioner pulley, rotate
the tensioner clockwise to release the tension. Remove the drive belt
from the pulley. When installing the new drive belt, ensure that the
drive belt is routed correctly and note the position of the indicator
mark on the tensioner.
Fig. Drive belt tensioner wear indicator marks
Hope helps (remember to rate thsi answer).
Mar 02, 2011 | Ford Windstar Cars & Trucks
You will have to loosen tentioner to get belt off of all pulleys. Then you need to jack up engine or pick up engine with a lift of some kind, just enough to hold engine in place while you remove upper engine mount, this has to be done so as to slip belt past mount and off engine. Then put new belt in position and bolt mount back in place. Release jack or lift. I usually put belt back on everything but alternator, pull on tensioner and roll back over alternator. This is on a 3100 engine, or 3.1 liter.
good luck
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