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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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940 Must front brake bracket mounting bolts be replaced?Views : 796 Replies : 19Users Viewing This Thread : |
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Mar 30th, 2021, 13:25 | #11 |
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you are right ! The plastic bushes came into production from the 850 onwards , the 900 front callipers are a bigger version of the 300 calliper ..
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Mar 30th, 2021, 14:20 | #12 |
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I acquired my 940 in 2005 with 100,000 recorded miles. As usual I serviced the brakes ASAP and found those sliders seized but the rubber dust guards were sound. I replaced the sliders and the securing bolts, lubricating both the sliders and the rubbers with silicone grease. I strip, clean and lubricate my brakes annually, a habit I developed when I was running a Morris Marina. I did it’s brakes spring and autumn as it had a propensity for the rear drum brake pistons to seize. I learned from a Datsun owner that the manufacturer recommended lubricating the piston bores with silicone grease. Once I did that the pistons didn’t seize again.
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Ian. Since 2005: 1992 Volvo 940 estate 2.0L. Manual. Daily driver and workhorse. |
Mar 30th, 2021, 18:55 | #13 |
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Yes, thanks, good advice. I found one was seized. It needed application of heat before I could get it out of the caliper bracket. Luckily I had some spares from when I changed the calipers on my V90.
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Mar 30th, 2021, 19:10 | #14 |
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The slider pins on my 940, judging by the rust on one that had seized, are most certainly not stainless steel. They slide directly in bores in the caliper bracket which is also steel which rusts very well. (or very badly, depending on your viewpoint). Silicone grease will lubricate them and prevent them from rusting. Silicone grease is also harmless to rubber, so no danger of grease damaging the little rubber bellows.
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Mar 30th, 2021, 20:41 | #15 |
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940 TIC auto 1995
Hi all i have recently fitted BREMBO front discs and pads for less than£100 all in from Euro car parts they are excellent and for that price .i have serviced my brakes every year for last. 22 years on this car only ever needed to change slider pins and bolts last year when i had new calipers fitted i used to use copper slip but now i use silocon grease as recommended .my personal opinion only !
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Mar 30th, 2021, 22:26 | #16 | |
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You can clean the old compound off the old bolts and use something like Loctite 243 when refitting them.
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Mar 31st, 2021, 11:52 | #17 | |
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Mar 31st, 2021, 11:53 | #18 | |
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Mar 31st, 2021, 12:08 | #19 |
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Patch bolts rarely corrode though because of the thread locking compound. However there does seem to be confusion over whether it's the actual caliper bracket mounting bolts that secure it to the knuckle the hub lives on or the caliper slider bolts........................
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Apr 1st, 2021, 21:40 | #20 | |
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