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Hello: To replace the water pump on the 4cylinder engine you will need a special tool to hold the water pump drive gear. If you don't hold the water pump drive gear the balance shafts will be out of time (rough running engine) the front cover will have to be removed, the timing chain removed. BIG JOB..... This information is for the 4 cylinder engine. If you have a V/6 it's not that big of job. For the 4 cylinder it would be best to let a professional who has the special tool, do the job.
The most common possibility for this problem is as follows:--
Check the drain pump.if it looks loose then it needs to be refitted.if the drain pump looks bit worn out or cracked then it needs to be replaced.but if the drain pump check out OK.then its the fault of drain hose .Remove the hoses connected to both ends the
pump.The hoses are cracked and it needs replacement. But if the pump is clean and
clear and hoses are also seen clean then the other part to check isouter tub part, for that you
will need to open the washer's main access panel and remove the rubber material
hose connecting the pump .the hose is
exactly connected to the bottom area of the outer tub. If you notice any
blockage/clogging in that area you can remove it with the help of pliers. If you are not able to remove
the clog or if you can see but its seen in very inner area then you need to take
the agitator out, after removing the agitator remove the top of the outer drum
shield, and inner clothes tub. You will require some special tools to do the
job in this case. This will help.Thanks.
If You Only need to replace water pump, you need a special tool to hold water pump sprocket in place while changing the pump, Just look up GM 2.2 Water pump tool on e-bay, or ask a local auto parts store if they rent one out. Garages make out like a bandit to replace these water pumps, because you need this special tool to do the job, and ti is impossible to do it without . Good Luck
This is a professional job. You need to drain & reclaim freon so it does not get into atmosphere. Then evacuate system with a vacuum pump for 30 minutes, then refill with R134a freon in the proer amount. Need special tools too. Probably a $500 job.
If you go to autozone.com, they have access to free repair manuals, you can print out step by step instructions from there. you will have to register with the sight and provide your vehicle information. it is free.
this is for the 3.0 v-6 OHV (2-valve).
you will need a couple of special tools,
disconnect the battery neg (black) terminal
remove the accessory drive belt
remove the alternator
remove and drain the coolant from the recovery reservoir
put a drain pan under Pwr STR pump under the vehicle and disconnect the lines and let them drain
remove the idler pulley
remove the bracket mounting bolt under the belt tension mounting
remove the 2 retaining nuts/ remove mounting studs/ remove Pwr Str Pump support w/ pump attached
clamp pump in vise/remove pulley (special tool)
remove three bolts on the support, remove Pwr Str pump.
replace as you have taken apart
when installing you will need the second tool "pump pulley replacer"
Check the drain line for kinks or obstructions. You can take a flashlight, remove the hose from the pump and look into the suction port of the pump. Check for anything clogging the pump. (like the occasional stray sock). Also check the pump impellers for broken or missing blades and ensure that the pump impeller spins freely. If any blades are broken/missing or if you cannot get the impeller to spin freely, the pump is defective and will need replaced. Hopefully it is just a clogged pump or drain line. Hope this helped and best wishes.
If the drain line isn't clogged, you may have a problem with the
water pump such as a frozen pulley or a broken impeller. If that's
the case replace the water pump. Note: if you have a belt driven
washer, check the belt(s) for cracks, as this would be a perfect
time to replace the belt(s) if needed.
If it's similiar to the F1231 w than i found a color catcher caught between the pump impeller and pump cover. this is located at the bottom right front of the 1235W and flips open. grey hose beside it pulls out and remove cap of hose and drain into bowl.
Tip take wet clothes out of machine to speed up the emptying of machine - this dawnwd on me after a few minutes.
Some more water will come out when you remove the pump cover - screw anti clock wise.
ee pages 18-19 of the zanussi guide for cleaning instructions. I found this link to manual on internet
or check your own manual for cleaning instructions and remember unplug power first - just in case. you may need to reset your wash to do a rinse again as i got a vibrating sound when i restarted and skipped to spin. hope this helps