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Need help finding parts so i can get an alignment 74 620


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hey, I took my car in to get an alignment but they can do it because some parts need to be replaced. I need help finding:

 

1.  Steering knuckle bearing 

2. Sturt bearing, I think the mechanic meant the top hot...

 

Also if there is a like a bushing kit out there thatll be cool and some struts yall recommend just wondering. Thank you. 

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1 hour ago, Richie said:

 

1.  Steering knuckle bearing 

2. Sturt bearing, I think the mechanic meant the top hot...

 

 

 

 

1/ have no idea what this is.  Could be the king pins? in the knuckle spindle??? The steering knuckle, between the tie rods and the spindle is solid and no replaceable parts in or on it.

 

2/ Strut??? bearing? (no struts in a 620) Better get a written description from the mechanic. 

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24 minutes ago, datzenmike said:

 

 

1/ have no idea what this is.  Could be the king pins? in the knuckle spindle??? The steering knuckle, between the tie rods and the spindle is solid and no replaceable parts in or on it.

 

2/ Strut??? bearing? (no struts in a 620) Better get a written description from the mechanic. 

THANK YOU! I thought I was going crazy! I have a written description but i cant read the writing, so he told me what it says. Should i send a picture of the writing?

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Some kingpin suspensions use upper and lower "trunnions" which act like a balljoint. I wonder if this is what he means.

 

image.png.0a84c620545b92d37c5e10ab8c402dab.png

 

Datsuns don't use a trunnion like this. Maybe you simply need upper and lower fulcrum bushings.

 

https://www.carpartsmanual.com/datsun/pickup-1972-1979/axle/front-suspension/to-jul-77/links-shock-absorber

 

image.png.020334481697e7d2deb811272feace6b.png

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21 hours ago, Stoffregen Motorsports said:

Some kingpin suspensions use upper and lower "trunnions" which act like a balljoint. I wonder if this is what he means.

 

image.png.0a84c620545b92d37c5e10ab8c402dab.png

 

Datsuns don't use a trunnion like this. Maybe you simply need upper and lower fulcrum bushings.

 

https://www.carpartsmanual.com/datsun/pickup-1972-1979/axle/front-suspension/to-jul-77/links-shock-absorber

 

image.png.020334481697e7d2deb811272feace6b.png

So i asked him to be more specific and he was like its the bushing on that holds the strut in the housing. Then i said what about the steering knuckle and he just said its the bearing attached to your steering knuckle housing....

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No offense, but the dude sounds like an idiot and you should probably take it somewhere else. Follow the link Stoffregen Motorsports posted and you can see what Nissan calls all the various bushings. Probably a good deal idea to print out the picture of the exploded diagram and take it with you next time. I would look for someone that knows/specializes in kingpin suspension. You will probably want to get a king pin repair kit. Might be worth contacting @mklotz70as he makes some custom replacement parts and often stocks replacement parts.

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15 minutes ago, thisismatt said:

No offense, but the dude sounds like an idiot and you should probably take it somewhere else. Follow the link Stoffregen Motorsports posted and you can see what Nissan calls all the various bushings. Probably a good deal idea to print out the picture of the exploded diagram and take it with you next time. I would look for someone that knows/specializes in kingpin suspension. You will probably want to get a king pin repair kit. Might be worth contacting @mklotz70as he makes some custom replacement parts and often stocks replacement parts.

No offense at all. He made me feel dumb because i thought the datsuns just have shock absorbers. I am looking at the link now and and for real i cant even imagine in my head what he is talking about. I google it but i am not even sure thats what he meant. I might print the manual out and have him circle the stuff he is talking about for steering and suspension. And i might use puppets if i need to.

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A lot of Nissan nomenclature harkens back to when they got in bed with Austin of Great Britain. Shocks are dampers, gaskets (some) are called packings, sump is oil pan, shifter is a control lever and so on. Even in N America some parts have two or more different names for same part.

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Yeah, but this mechanic seems to be using terms that are flatly incorrect...like saying struts when referring to anything on a kingpin suspension. Perhaps he's talking about the T/C rod bushings (radius rod bushings) when he says struts? Who knows?

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Strut rod could be the tension compression rods (T/C), but there is no other strut on this suspension.

 

If the T/C bushings were bad, I could see this affecting the alignment. And they do wear so...

 

A "bearing attached to the steering knuckle housing" would be a kingpin bushing, if his description is sufficient.

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Then again, he could be describing a tie rod end. It attaches to a steering arm, which attaches to the steering knuckle. And it would definitely affect alignment.

 

He does sound like a doofus. Curious what his age is and such. Does he seem educated or just some grease monkey?

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The TC rod could also be called a strut rod......as previously mentioned.  There is a bearing on the king pin....it's between the dogbone and the spindle itself.....all the weight rides on it. It would make it harder to turn, but it shouldn't affect the alignment.  Worn king pins will affect it.....so will the TC rod bushings.  You can replace the TC rod bushings with sway bar bushings.  I don't remember if I put the part number in this clip, but the bushings are '87ish HB(d21) 4wd sway bar end links.  They're the same as the 2wd, but the bolts and spacer are shorter.  https://www.instagram.com/p/CfPU03KFQw9/

 

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  • 2 weeks later...

It took me six months to gather up all the parts to rebuild the front suspension & steering on my '73 620. I just took my truck to the front end shop to have a new carrier bearing and propeller shaft U-joints. My mechanic gave me the bad news. My steering box needs to be rebuilt. Yeah, after nearly 50 years of beating the shit outta my truck... not surprising.  Check out my thread here;  

  So for a couple grand I should have figured out a way to have coil overs and rack and pinion steering...

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  • 2 weeks later...

So after asking again what he meant, the shop wants to charge me another $50 for the inspection. So i am on the look for another shop. Is there any kits out there or anything that is accessible? 

 

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I can only imagine why they want more money.

 

A- they need to make money to keep the doors open.

B - they had their b team on it for the first go around and hoped you'd either have them do the work or go away.

C - now that you're back, they now realize you're not going to pay them to do the work, and are tired of giving out free advice, hence the $50.

 

Either way, a shop that makes money is usually not friendly to DIY Ratsun guys. Shops that are free with their advice work too many hours and don't bring much home. I used to be the second guy, but I have recently grown a thick skin and now turn people away if they aren't willing to do the job my way.

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  • 2 weeks later...
On 7/27/2022 at 10:13 AM, Stoffregen Motorsports said:

I can only imagine why they want more money.

 

A- they need to make money to keep the doors open.

B - they had their b team on it for the first go around and hoped you'd either have them do the work or go away.

C - now that you're back, they now realize you're not going to pay them to do the work, and are tired of giving out free advice, hence the $50.

 

Either way, a shop that makes money is usually not friendly to DIY Ratsun guys. Shops that are free with their advice work too many hours and don't bring much home. I used to be the second guy, but I have recently grown a thick skin and now turn people away if they aren't willing to do the job my way.

 

When shops wont help they come to places like the Napa I work at and are annoyed that we don't have all the info lol

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