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Discussion Starter · #1 ·
I am a big believer in preventative maintenance. Repairing or placing parts with a known life is much more convenient, safer, inexpensive, to do than to have to do it as a repair.

Components typically have a life, some due to age, some to miles/usage, and often a combination of both. So with that said, it may be interesting to log here the life of failed components, for reference for all of us.


We can list as follows (just making this up, for the sake of "standard" to follow):

Water pump, original replaced at 75K miles.
or
Fuel pump, original, failed at 130K miles
or
Fuel pump, Walbro, failed with 100K miles of use
or
Door switch, original, went funky after the 10 years

Any component is fair game, A/C compressors, alternators, etc., the more the better. If we list enough common components, we can even come up with predictions for average life of them.
 

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IMO Age and conditions kills things far more than mileage. You could probably put a million miles on a radiator hose but a 20 year old one off the shelf will give out right away.
 

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Well my car was a garage queen before I bought it so I"m pretty sure a lot of it is still stock and I'm now at 116,8xx miles. Only thing I've done is upgrade the alternator, replace the Clutch Master Cylinder (I need to buy a brand new one though, used one leaking slightly), replace the drive belts (didn't actually have to, just did), and a broken tie rod from an accident.

I bought the car at 97,714, in 2008, so yea I'm on my way to 20K since I've owned it. I'll keep ya posted.
 

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Discussion Starter · #4 ·
IMO Age and conditions kills things far more than mileage. You could probably put a million miles on a radiator hose but a 20 year old one off the shelf will give out right away.
Agreed, and usage by region (climate variation) is also a factor.

Still, it'd be interesting to gather this information and we maybe even see some common trends and/or surprises.


Well my car was a garage queen before I bought it so I"m pretty sure a lot of it is still stock and I'm now at 116,8xx miles. Only thing I've done is upgrade the alternator, replace the Clutch Master Cylinder (I need to buy a brand new one though, used one leaking slightly), replace the drive belts (didn't actually have to, just did), and a broken tie rod from an accident.

I bought the car at 97,714, in 2008, so yea I'm on my way to 20K since I've owned it. I'll keep ya posted.
Cool. See? That's good information to know about some key components on a car that has been well taken care of.


I'll add what I know the issues on my car have been, that I can presently recall.
140K, original Brake Master Cylinder was leaking, replaced.
150K, original heater valve hose failed.

...there are other items, I'll check the records when I get home.
 

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Since most of us didn’t get the car of the dealers lot, who knows what’s original and what’s been replaced. Working at the shop makes it easier for me to get the car in the air and look it over, but again most people don’t have that luxury. I suggest people use the recommended service interval as a guide.

For me when I first get a new car (read supra) I replace all the fluids and belts and go from there (inspecting brake linings and rotors, suspension components bushings ect.)

http://www.cygnusx1.net/Supra/Library/TSRM/MK2/manual.aspx?S=MA&P=3

For 90% of us the severe schedule should be used.

This is the schedule we would use at the shop (using Shopkey) I’ve added the Timing belt at 60k as per TSRM. I’ve marked what I think the important things are with a “*”

Things to note.
Repack wheel bearing every 40k
Replace coolant every 60k
Replace timing belt every 60K
Replace spark plugs every 60K

For me I would do the fluids every year or every other year regardless of mileage. Stuff like the wheel bearing should be check often and repacked whenever any play is noticed. Ect.

5k
Inspect Air filter
Replace Oil & oil filter

10k
Inspect Air filter
Inspect Ball Joints
Inspect Brakes
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Replace Oil & oil filter

15k
Inspect Air filter
Inspect exhaust system
Replace Oil & oil filter

20k
Inspect Air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect Diff fluid (LSD)
*Replace Automatic transaxle fluid
*Replace diff fluid (Non-LSD)
Replace Oil & oil filter

25k
Inspect Air filter
Replace Oil & oil filter

30k
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect exhaust system
Inspect fuel system
*Replace Air filter
Replace Oil & oil filter

35k
Inspect Air filter
Replace Oil & oil filter

40k
Inspect Air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect diff fluid (LSD)
*Repack Wheel bearing grease
*Replace Automatic trans fluid
*Replace Diff fluid (both LSD/non-LSD)
Replace Oil & oil filter

45k
Inspect Air filter
Inspect exhaust system
Replace Oil & oil filter

50k
Inspect Air filter
Inspect Ball Joints
Inspect Brakes
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Replace Oil & oil filter

55K
Inspect Air filter
Replace Oil & oil filter

60k
Inspect air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect exhaust system
*Inspect charcoal canister
Inspect fuel system
*Inspect Drive belts
*Replace Air filter
*Replace Automatic trans fluid
*Replace coolant
*Replace Diff fluid (non LSD)
*Replace fuel tank gasket
*Replace spark plugs
*Replace Timing belt
Replace Oil & oil filter

65k
Inspect air filter
Replace Oil & oil filter

70k
Inspect air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Replace Oil & oil filter

75k
Inspect air filter
Inspect exhaust system
Replace Oil & oil filter

80k
Inspect air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect exhaust system

Inspect LSD
*repack wheel bearings
*Replace Automatic trans fluid
*replace Diff fluid (both LSD & non LSD)
Replace Oil & oil filter

85k
Inspect air filter
Replace Oil & oil filter

90k
Inspect air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect exhaust system
Inspect fuel system
*Replace Air filter
Replace Oil & oil filter

95k
Inspect air filter
Replace Oil & oil filter

100k
Inspect air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect exhaust system
Inspect Diff fluid (LSD)
*replace Diff fluid (non LSD)
Replace Oil & oil filter

105k
Inspect air filter
Inspect exhaust system
Replace Oil & oil filter

110k
Inspect air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Replace Oil & oil filter

115k
Inspect air filter
Replace Oil & oil filter

120k
Inspect air filter
Inspect Ball Joints
Inspect Brakes (and lines)
Inspect Chassis body nuts/bolts
Inspect Driveshaft & related
Inspect steering linkage
Inspect exhaust system
*Inspect charcoal canister
*Inspect fuel system
*Inspect Drive belts
*Repack wheel bearings
*Replace Air filter
*Replace Automatic trans fluid
*Replace coolant
*Replace Diff fluid (Both LSD & non LSD)
*Replace fuel tank gasket
*Replace spark plugs
*Replace timing belt
Replace Oil & oil filter




enough of the novel...

will
 

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^^^Doesn't get much more detailed than that.

The big things I always replace / inspect monthly, or when I get a car:
-All Cooling System hoses.
-All Belts / or serpentine if applicable.
-All vacuum / emissions related lines and hoses.
-Check and clean ground cables.
-Inspect battery condition (chia pets on terminals, bulging sides, water level if accessible)
-Alternator output in Volts DC. (about 12.8v-14v)
-Alternator check for > 0.5v AC ripple (To preserve computer / components life)
-Fluid levels / conditions
 

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^^^ also good things to check on a regular basis
 

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U want to wait till the timing belt breaks and leaves you stranded or would you rather replace it every 60k and not have to worrie about it? (Much bigger deal for cars that have interfearance engines)

will
 

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If only we had timing gears like my truck haha. PUSHRODS FTW.

I'm thinking of going ahead and replacing the timing belt this summer. If it WAS replaced at 60K then at 120K it's time for another, and I'm only about 3K from that. Now if it wasn't replaced then I'm just hoping it lasts till summer haha.

I'll do as much to the car this summer as I can. Tune-Up takes no time so that'll get done. Clean my Spectre, or just replace it, timing belt, who knows what else I'll do.
 

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My first timing belt went at 194Kmi so I change belt every 100K. Don't worry at 60K, a few extra K won't hurt.
Inspecting/testing front shock inserts is a good idea.
 

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On my 84:

Original brake master cylinder started to go @ 200,000 miles. Is still leaking...

Original clutch started slipping @ 120,000 miles. Replaced with another Toyota one.

Clutch master cylinder went around 130-140,000 miles. Replaced it with a reman. iron one from Checker, along with the slave cylinder. Went again @ 190,000; installed a rebuild kit in it that lasted until recently (204,000) works, but slowly leaking. Car had to be stored for a couple of years outside @ 163,000 miles, which probably contributed to the recent failure rate.

Timing belt broke at 107,000 miles (broke on auto auction floor LOL). Timing tensioner pulley bearing was rough, so a used one and a new belt were installed.

I don't remember other stuff, but I know my water pump is still original @ 204,000. I just check things and replace stuff when it's worn out/breaks, or as I can afford it. I sometimes rob used parts from my other cars, and replace those with new or upgraded parts. I've been driving Supras for 11 or 12 years now, with a couple of Toyota trucks for a winter or 3. The huge temperature range and rust is what causes most of the parts failures around here.
 
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