F*** You Fan clutch

nismo0886

Original poster
Member
Jan 10, 2012
30
tryin to replace the fan clutch on the trailblazer and so far it has been very frustrating and haven't been successful :banghead: i rented the fan clutch tool from autozone and the big one will not hold the water pump in place and keeps slipping any help or tips would be greatly appreciated and yes i used the search function and tried everything that everyone else has done here is the tool i rented from autozone


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ghenny440

Member
Dec 14, 2011
368
I Only use the small one for the fan clutch nut, put a 3/8 ratchet into the opening prop the hood open with a long pipe or a push broom handle on the side of the radiator by the battery, and hit the ratchet handle real hard with a hammer, if you have access to an air chisel put it on the left side of the nut and give it a couple strikes with that and i guarantee that woukd do it, my fan clutch had to be done like that, i just did radiator, water pump, & fan clutch on a friends TB, i got this particular fan clutch loose useing the hammer method
 

nismo0886

Original poster
Member
Jan 10, 2012
30
ghenny440 said:
I Only use the small one for the fan clutch nut, put a 3/8 ratchet into the opening prop the hood open with a long pipe or a push broom handle on the side of the radiator by the battery, and hit the ratchet handle real hard with a hammer, if you have access to an air chisel put it on the left side of the nut and give it a couple strikes with that and i guarantee that woukd do it, my fan clutch had to be done like that, i just did radiator, water pump, & fan clutch on a friends TB, i got this particular fan clutch loose useing the hammer method



just went to autozone and got a different fan clutch kit a 5 piece hopefully this works
 

Mooseman

Moderator
Dec 4, 2011
24,733
Ottawa, ON
If you have an air compressor and air tools, use a zip gun on the hub nut in the direction to loosen it. Works amazing.
 

ghenny440

Member
Dec 14, 2011
368
Mooseman said:
If you have an air compressor and air tools, use a zip gun on the hub nut in the direction to loosen it. Works amazing.

:thumbup: agreed, exactly what i said to, hopefully he was able to get it done yesterday
 

nismo0886

Original poster
Member
Jan 10, 2012
30
after fighting with it for the entire day an not being able to get it off i :whiteflag:i ended up taking it to a local shop today unfortunately i don't have air tools and after this nightmare that is something im going to have to invest in. hey at least i tried and after scratched up arms and blistered hands even pulled a shoulder muscle i can at least walk away and say i gave it all i had yes i didn't accomplish it but it was definitely a learning experience
 

Dshow

Member
Dec 7, 2011
68
I put one end chain under one of the water pump bots and the other attached to the lifting eye of the engine to hold it still. Getting the nut lose is only half the battle, trying to fish it out once it was lose was another challenge.
 

ScarabEpic22

Member
Nov 20, 2011
728
Errr, guess I was lucky then when I removed mine a week ago... Just used a 10" crescent wrench on the nut and smacked it sharply with a hammer for ~5min and it popped free. That said, it was on my 08 with 33,xxx not the 02 with 13x,xxx.

Fishing it out, better off removing the whole shroud and removing it as an assembly. Then re-install as an assembly, poor design for sure.
 

rmsg0040

Member
Dec 10, 2011
285
i saw in an old writeup, the guy used a 1 - 1/2" wrench and just smacked it and it came loose.
 

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