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Post by elysian on May 1, 2009 19:09:26 GMT 11
Driving home today, I all of a sudden had heavy steering .. pulled over and had a look under the hood .. thought I might be leaking steering fluid or something .. nope.. the bolts holding the power steer pump have snapped/sheared off ..  Got the MU towed back to my place as it was a pig to to turn .. so, whats the best way to fix this ? try using "easy-outs" and replace the bolts , or just drill the buggers out, re-thread the holes and use bigger diameter bolts ? Or, say "screw this for a joke" and get a mechanic to do it ?  |
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Post by geeves on May 1, 2009 19:24:51 GMT 11
Which bolts?
the ones holding the pump to the bracket or the bracket to the engine. Hopefully the former as it makes everything so much easier to get at. You may be lucky and find that once you stripped things to the point you can get tools in there that they will undo easily with no more than a pair of pliers (if the heads snapapped off due to overtightening its very possible. Ive had this several times with free wheel bolts)
If its bolts into the engine I would be very hesitant to drill them out but as a last resort and a lot of care. Radiator will have to come out to get room. I would go the easy out way first.
If its the bracket to pump one bolt is a nut and bolt so no problem It will fall out. The other 2 from memory screw into the bracket so they could be drilled out and retapped but the bolts have to go through the pump so this will need drilling as well. Once again easy out first. At least you can do these ones on the bench.
I will have to ask who last tightened these bolts?
You can drive without power steering but its not nice at low speeds. After about 20kph theres very little loss of manoeuvrability but reversing into a park should not be undertaken lightly. (I drove round for 2 weeks while getting a pump fixed) Try putting an extra 5 or 10 psi in the tyres as a temp work around
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Post by Yarno on May 1, 2009 19:26:05 GMT 11
Hmm haven't heard of this one before, I would use easy outs or left hand drill them (i have a right hand drill I reverse sharpened but you can buy them). If you can get a set of vise grips on there try that, also using a centre punch to knock it round anti-clockwise...
Good luck
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Post by impaul on May 1, 2009 20:19:57 GMT 11
cold chisel will work it round...
but yes,try easy outs
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Post by elysian on May 1, 2009 21:00:03 GMT 11
it's the 2 bolts that hold the bracket to the engine ..
and where the bolts have snapped, it's not possible to get a set of grips on them as it's sheared off inside the threaded hole .. I'll try and take some pix in the morning when there's some light ..
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Post by geeves on May 2, 2009 18:50:58 GMT 11
6mm easy out but its a pain of a job. Radiator out to make room for the drill. I like Yarnos left handed drill trick It might be all thats required
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Post by muvit madness on May 3, 2009 8:30:05 GMT 11
Oi
howd you get on benny boy any updates?.
cheers
muvit 8)
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Post by elysian on May 3, 2009 19:40:53 GMT 11
OK, it's fixed now ..
The bottom bolt had been broken for awhile it seems.. all up 3 bolts needed to be replaced ; the 2 for the power steering pump and one of the ones for the thermostat housing ..
There are 2 different sizes .. the top bolt for the bracket is a M10 x1.25 x 60 , while the bottom bolt is a M8 x 1.25 x 60 .. the middle "bolt" ( stud really ,the one for the thermostat housing) is also M8 x 1.25, but about 85mm long ..
It was a pain in the arse to get the old bolts out .. my father came to help me.. he has a corded drill that drills at 90 degrees , so we drilled a small hole in the middle of the bolts and used some screw extracters .. but to do this we had to take all the hoses off the thermostat housing and radiator , then take off the theromstat housing too =/ . The "stud bolt" we actually use a 100mm M8 bolt that we screwed in, cut the head off and then put the thermostat housing back on, tightened a nut on, then put the power steer bracket on and another nut, plus the 2 bolts for the bracket ..
Replaced all the bolts with new 8.8 grade HT bolts , and 2 new gaskets for the thermostat housing ( one where it bolts to the block, and one where the thermostat is and sensors) ..
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Post by geeves on May 3, 2009 19:53:52 GMT 11
were the bolts tight to get out or did they turn fairly easily once you had the extractor in.
On a side note How did you fit the rear brakes from a 3.1? Is it a complete diff or is it just the brake assembly that bolts to the diff with 4 bolts?
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Post by elysian on May 3, 2009 21:08:57 GMT 11
the bottom bolt took some time to get out ...mainly due to the limited amount of access to it ..
As to the brakes from a 3.1 .. I got the complete axle set up off Fly3r's MU .. unbolted the tailshaft, shocks,leaf springs, etc and rolled my old axle out and rolled Fly3r's in and bolt it all back up .. same for the front too .. had to mod a mount for the handbrake cables as Fly3r has/had a hand brake handle next to the seat, where as mine is the under dash one
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