New 850. What stuff are a MUST to replace/repair if the maintenance history is unknown?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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eightfifty2x0
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Re: New 850. What stuff are a MUST to replace/repair if the maintenance history is unknown?

Post by eightfifty2x0 »

erikv11 wrote: Fri Jun 26, 2020 11:25 am I'd check the date codes on the ignition wires.
You mean if they are old, then they should be replaced? But then again, how old is old?

eightfifty2x0
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Post by eightfifty2x0 »

smacknab wrote: Fri Jun 26, 2020 7:45 am Regarding the heater core, it's not a must as far as I know, but you should check to see if it's leaking by pulling back the carpet and trying to get under the floor foam.
Gonna check this soon. Thank you for all of the suggestions

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erikv11
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Post by erikv11 »

eightfifty2x0 wrote: Sat Jun 27, 2020 12:27 am
erikv11 wrote: Fri Jun 26, 2020 11:25 am I'd check the date codes on the ignition wires.
You mean if they are old, then they should be replaced? But then again, how old is old?
1996 is old. Many of these cars are still on the factory wires. 10 years is not old. Somewhere in between it's up to you. Aftermarket is old, those won't have a date code either.
'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 145k
'98 V70, T5 tune-injectors-turbo, LPT engine, 293k
'06 S60 R, 167k
'07 XC70, 170k
'99 Camry V6 :shock: 135k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k

eightfifty2x0
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Post by eightfifty2x0 »

erikv11 wrote: Sat Jun 27, 2020 1:37 am 1996 is old. Many of these cars are still on the factory wires. 10 years is not old. Somewhere in between it's up to you. Aftermarket is old, those won't have a date code either.
Alright, will check them asap.

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smacknab
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Post by smacknab »

erikv11 wrote: Sat Jun 27, 2020 1:37 am
eightfifty2x0 wrote: Sat Jun 27, 2020 12:27 am
erikv11 wrote: Fri Jun 26, 2020 11:25 am I'd check the date codes on the ignition wires.
You mean if they are old, then they should be replaced? But then again, how old is old?
1996 is old. Many of these cars are still on the factory wires. 10 years is not old. Somewhere in between it's up to you. Aftermarket is old, those won't have a date code either.
Yeah I'd agree with this, I had some original ignition coils on my car and one day randomly it started misfiring hard so I had to get it towed home. If you want it to be reliable they might be worth swapping out.
99 s70 NA Manual - >231k miles
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Post by xHeart »

smacknab wrote: Sat Jun 27, 2020 8:29 am
erikv11 wrote: Sat Jun 27, 2020 1:37 am
eightfifty2x0 wrote: Sat Jun 27, 2020 12:27 am
You mean if they are old, then they should be replaced? But then again, how old is old?
1996 is old. Many of these cars are still on the factory wires. 10 years is not old. Somewhere in between it's up to you. Aftermarket is old, those won't have a date code either.
Yeah I'd agree with this, I had some original ignition coils on my car and one day randomly it started misfiring hard so I had to get it towed home. If you want it to be reliable they might be worth swapping out.
1996 IS WAY OLD. Without ODB2 and VIDA, the OP will forever tinker in OLD set up. I feel 1996 is not worth the time and money, not to mention the toll it will take on his family life, unless.

Volvo has discontinued making parts for P80.
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scot850
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Post by scot850 »

(Brittle lines/pipe) All the vacuum lines under the hood that run around the various engine components. If you have a turbo there are a lot more lines. Under the hood there is usually a sticker with the vacuum lines and where they go. With age this sometimes fall off. If you let us know is you have a turbo or non-turbo (NA) then someone may be able to post you a copy of it.

Around the rest of the car yo can get headlight washer lines, windshield washer lines, brake lines and more.

These are nice cars to drive. I rebuilt a 97 850 NA and drove it to California with my brother. The car was for his daughter and they still have it today running well.

Neil.
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2003 Toyota 4Runner V8 Limited
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1993 850 GLT -Sold
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1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

eightfifty2x0
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Post by eightfifty2x0 »

smacknab wrote: Sat Jun 27, 2020 8:29 am If you want it to be reliable they might be worth swapping out.
gonna do it!

scot850
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Post by scot850 »

Vovlo has stopped making many of the P80 parts. But they do have a classics supplier of OE parts in Sweden that dealers can access. PArts do take a while to sometimes get here but they do have a website. Skandix is also a great support as are the many suppliers in places like Sweden.

Neil.
2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

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Post by ZionXIX »

eightfifty2x0 wrote: Sat Jun 27, 2020 12:26 am
ZionXIX wrote: Fri Jun 26, 2020 7:15 am Replaced brittle lines
what are these?
Any vacuum lines that look like they are dissolving
Scarlett: 1996 850 Turbo Wagon in Reagent Red Pearl ~210K mi
Norman: 2012 F150 XLT Crew Cab in Oxford White ~110K mi
Ember: 2005 XC90 2.5T FWD in Ruby Red Metallic ~83K mi *Newest addition to the fleet*
Ruby: 1997 850 Turbo Wagon in Reagent Red Pearl - parts car
Rose: 2020 Ram 1500 in Delmonico Red Pearl - SWMBO's Vehicle

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