Volvo RWD 900 Forum

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Cracked thermostat housing to block on a 960 900 1995

Want more love from your 960? Well break the housing & prepare yourself for hours of fun, well, almost. Needed to replace the thermostat on the 95-960 & my correct tool was nowhere to be found. Son had managed to hide it from me. Started by rounding out the soft metal torx bit bolt on the cover. I've done this job before on a couple 960's & had new replacement bolts on hand for re-install. In my attempt to loosen the bolt with a chisel the housing cracked.

3 bolts hold it to the block & the top 2 are easy to get to. The bottom one is not so visible. At 1st it looked like I was going to have to remove the PS pump, alt., & compressor just to get to the bracket that holds the 3 components to the engine. Do have to loosen & move the PS pump. The bracket would not allow my torx socket to reach the bolt. Fortunately a neighbor had a longer reach torx & I was able to remove the lower bolt without all the dis-assembly. A long reach torx (#40) is the 1st tip. The 2nd tip is that you can use the housing from an 850 if using used parts (or new), but the 850 cover is slightly different, has a nipple going to the coolant reservoir. I was unable to get to the bolt off on the lone 960 they had, & then pulled one from an 850, indentical part.

Posting this as a tip. Removing that accessory bracket would certainly have added quite a bit more time.







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