light Maintenace on 02 GS 300 I can do
#1
light Maintenace on 02 GS 300 I can do
Hi,
Recently got an 02 GS 300 and been doing small replacements.
Cabin Filter replaced
Air Filter replaced
Spark Plugs replaced
Dome lights
Mass Air flow Sensor replaced
PVC Valve replaced
Throttle bodies cleaned
Any way to tell if timing belt was done?
Like signs of worn belt or something?
thank you
Oil Changed
Recently got an 02 GS 300 and been doing small replacements.
Cabin Filter replaced
Air Filter replaced
Spark Plugs replaced
Dome lights
Mass Air flow Sensor replaced
PVC Valve replaced
Throttle bodies cleaned
Any way to tell if timing belt was done?
Like signs of worn belt or something?
thank you
Oil Changed
Last edited by QLex300; 12-25-21 at 01:35 PM.
#2
In order to do plugs I'm sure you were able to see the timing belt. The usual check is for cracks. If there is no sticker or record of having been done, it is safer to replace it than guess and hope. But if it is not oil soaked or discolored and has a regular black color and no cracking it should be good for a long while.
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QLex300 (12-27-21)
#3
+1. If you care enough to do what you've done already, then the timing belt and water pump are next. Go with all Denso parts, if you can. FWIW, after I did the timing belt on my '00 GS400, the air conditioner compressor no longer worked (worked fine before the job). Simply unbolting it and moving it to the side a little was enough to retire it.
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QLex300 (12-27-21)
#4
In order to do plugs I'm sure you were able to see the timing belt. The usual check is for cracks. If there is no sticker or record of having been done, it is safer to replace it than guess and hope. But if it is not oil soaked or discolored and has a regular black color and no cracking it should be good for a long while.
#5
+1. If you care enough to do what you've done already, then the timing belt and water pump are next. Go with all Denso parts, if you can. FWIW, after I did the timing belt on my '00 GS400, the air conditioner compressor no longer worked (worked fine before the job). Simply unbolting it and moving it to the side a little was enough to retire it.
Im get a indie shop to do the job and change out water pump as well.
thanks
actually went to dealer to get timing belt and water belt done.
Last edited by QLex300; 02-18-22 at 08:08 AM.
#6
For me, the toughest part of the timing belt job was sealing the water inlet at the top. It's the joint behind the thermostat, where two rectangular surfaces mate and are sealed with FIPG (RTV). The alignment of these mating surfaces compete with a round tube casting (on the same part) that mates to the intake, sealed with an o-ring. I screwed it up (twice!), and since these two coolant joints are above everything, the resulting coolant leaks cascades down onto the new timing belt!
FWIW, there are two idler pulleys and a tensioner pulley (and arm) that can be replaced, along with the serpentine belt. Have them do a new front main seal while they're in there too!
FWIW, there are two idler pulleys and a tensioner pulley (and arm) that can be replaced, along with the serpentine belt. Have them do a new front main seal while they're in there too!
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QLex300 (12-27-21)
#7
In order to do plugs I'm sure you were able to see the timing belt. The usual check is for cracks. If there is no sticker or record of having been done, it is safer to replace it than guess and hope. But if it is not oil soaked or discolored and has a regular black color and no cracking it should be good for a long while.
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#8
For me, the toughest part of the timing belt job was sealing the water inlet at the top. It's the joint behind the thermostat, where two rectangular surfaces mate and are sealed with FIPG (RTV). The alignment of these mating surfaces compete with a round tube casting (on the same part) that mates to the intake, sealed with an o-ring. I screwed it up (twice!), and since these two coolant joints are above everything, the resulting coolant leaks cascades down onto the new timing belt!
FWIW, there are two idler pulleys and a tensioner pulley (and arm) that can be replaced, along with the serpentine belt. Have them do a new front main seal while they're in there too!
FWIW, there are two idler pulleys and a tensioner pulley (and arm) that can be replaced, along with the serpentine belt. Have them do a new front main seal while they're in there too!
#9
Some other tips to look for to verify the need for seals: A common area to see oil build up is the top water pump/alternator area. If it's wet with oil there, it is from the cam seals. That's where it find's it's way out from the front cover. If it's just leaking out of the bottom of the front cover, it is the crank seal. And if you pull the top timing cover to have a look inside, it is common to have oil slung all over in there and up on the underside of the cover. If that's the case it's the VVT sprocket seal. Anyways, I don't know if any of that helps. I figured by your first post that you were doing the work yourself, but I suppose you had them do the other maintenance you mentioned too? It's still good stuff to research and look at before taking it in. You could get calls for more and more money as the job is done. Also you can have the job done and leave thinking the car is good for the foreseeable future only to have some major issues come up if just the belt is replaced. You can save a lot of money by ordering quality parts online and having them on hand if any of these things are needed. I and others on here are also able to give you reputable sources and brands for parts you should or should not use.
Consider this: You will pay more for a low quality timing/WP from a shop (probably Autozone's Duralast brand) (which really really sucks) at their markup price than you will for an actual good brand like Aisin if you buy it yourself and provide it. Same goes with everything else.
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QLex300 (02-18-22)
#11
Yes, a leak before an o2 sensor will cause a code. Go to a muffler shop and ask for a repair. It will be much cheaper and they can seal it up. It's what they do. Also, I'm pretty certain there never was any flex pipes on these. You can also buy a replacement mid-pipe that bolts to the cats if that's what's bad. But a muffler shop will be able to fix you up good for cheap.
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QLex300 (12-28-21)
#12
Yes, a leak before an o2 sensor will cause a code. Go to a muffler shop and ask for a repair. It will be much cheaper and they can seal it up. It's what they do. Also, I'm pretty certain there never was any flex pipes on these. You can also buy a replacement mid-pipe that bolts to the cats if that's what's bad. But a muffler shop will be able to fix you up good for cheap.
#13
Originally Posted by CurlyG
+1. If you care enough to do what you've done already, then the timing belt and water pump are next. Go with all Denso parts, if you can. FWIW, after I did the timing belt on my '00 GS400, the air conditioner compressor no longer worked (worked fine before the job). Simply unbolting it and moving it to the side a little was enough to retire it.
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QLex300 (12-28-21)
#15
HI ,
Updated maintenance...
Gas Cap
Cabin Filter replaced
Air Filter replaced
Timing Belt Replaced *(dealer)*
Water Pump Replaced *(dealer)*
Serp Belt New
Cam SEALS
Idler Adjuster Replaced *(dealer)*
Tensioner Replaced
Valve Cover Gaskets
Spark Plugs replaced
Coils Replaced
Front Brakes
Ball Joints
Lower front Controls
Upper Front Arms
Dome lights/Door lights now working
Mass Air flow Sensor replaced
PVC Valve replaced
Throttle bodies cleaned
Front Right side wheel sensor replaced and VSC/ABS is good to go, No more Code
Oil changed
miles 124867
Thanks to every one on this forum!!!!
@Dwoods801
@True GS300
Thanks for all your help.. you guys are Guru's when it comes to these Lexus!!!1
All the input from so many, THANK YOU...
Looking to do minor mods and really enjoy these car.
Updated maintenance...
Gas Cap
Cabin Filter replaced
Air Filter replaced
Timing Belt Replaced *(dealer)*
Water Pump Replaced *(dealer)*
Serp Belt New
Cam SEALS
Idler Adjuster Replaced *(dealer)*
Tensioner Replaced
Valve Cover Gaskets
Spark Plugs replaced
Coils Replaced
Front Brakes
Ball Joints
Lower front Controls
Upper Front Arms
Dome lights/Door lights now working
Mass Air flow Sensor replaced
PVC Valve replaced
Throttle bodies cleaned
Front Right side wheel sensor replaced and VSC/ABS is good to go, No more Code
Oil changed
miles 124867
Thanks to every one on this forum!!!!
@Dwoods801
@True GS300
Thanks for all your help.. you guys are Guru's when it comes to these Lexus!!!1
All the input from so many, THANK YOU...
Looking to do minor mods and really enjoy these car.
Last edited by QLex300; 02-23-22 at 08:03 AM.