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Most likely, you have the OEM tank but heat cycled and aged. It’s famous for even the new OEM tank turning into opaque white within several months of installation. In several countries, the driver is required to carry out pre-driving inspection including checking the coolant level. Yet, it’s...

I never got involved in the OEM coolant hose mandrel design so don’t know the definite answer. However, if you serviced the coolant hose on any Honda cars, you would notice that Honda did put lots of effort preventing the EPDM hose from scratching against anything, including another hose...

For early JDM, the empty position is 'not in use' so you are not missing anything. The one next to it at the right top of your photo is the Front Fog light relay, NO type. This should give you some idea. Note that this is for RHD early models. Please ignore the top two relays. Mine is 94...

Simple Answer: Go to bottom of the page. Click on ‘Help’. Select ‘BB Code’. There, you’ll find the answers. Use BB code: QUOTE The quick method: At the right bottom of each post, you will find ‘Reply’ button. Click on it and it will automatically generate the code ‘quoting’ the very post...

Following applies for both the RHD and LHD model unless the car was re-sprayed. Open the Driver side door. Admire yourself of being the NSX owner. Look at the door striker. Depending on the country spec, you’ll find the sticker with the VIN/tire info/Safety Standard/etc. You should see the...

If you are sure that you have short circuit at the VSS (Vehicle Speed Sensor), check the 15A fuse at the fuse box inside the cabin. With the RHD, it’s located at the passenger side. With the LHD, I think it’s at the driver side. Fuse position #2. It’s also the power source for the fuel pump...

RIP, Hugh…. Mine is the JDM 94 model and still in KM so nowhere near to the achievement of some of you. Covered nearly 285,000km/178,000miles in 31 years, bought new so the original owner. Still almost the same engine compression data from 1st year. Kaz

Use Google Lens. If the contents are not too long, upload the pdf file here. I will take a look. Kaz

Please tell us the leakdown result for all 6 cylinders. How long have you owned it and how often do you drive your NSX? Annual mileage? First time carrying out the TB (Timing Belt) job on NSX or done that few times? Personally, I won't transfer the markings from the existing timing/alignment...

The corner sensor was sold as a set for each front and rear bumpers. Therefore, the individual parts such as the sensor, switch, controller, loom, etc were not sold separately. Discontinued but parts # as follows; Front set: 08V66-SL0-001 Rear set: 08V67-SL0-000 The buzzer for the rear bumper...

Your NSX is NA1-100type. Upto NA1-1005465, all JDM NSX had the 1st gen ALB/ABS that consists of 4 separated solenoid modules. Watched the video. As in my above message, all of your video so far are showing just the normal behaviour when there were no codes stored on any of the controllers. No...

Next time, please try recording under better lighting so that we can see volt reading, etc. Did you see any warning lights while driving? Just couldn’t understand what you were really trying to diagnose. Any extra info on the exact issue would help in assisting you. Also, as @Old Guy...

No longer have access to BT3 so following info could be outdated or wrong. Looked into BT3 and communicated with GROM few times regarding the problem when connected to the European spec audio head unit...

For 91 - 94 models (and 95 Type-R only) that are non-DBW, the fast idle target is around 1,500rpm depending on the coolant temperature. Once fully warmed up, the target idle rpm is about 800rpm for MT. At lower rpm range, it is fairly normal to have around 100rpm offset on our gauge cluster...

On this occasion, the ‘mention’ feature worked and got the notification from the server. Thanks for the mention, @drew. Regarding the tension adjustment… Personally, I would leave it as long as it was tensioned properly last time. If not sure and if worried, just carry out the TB/WP service...

While didn’t get any feedback over the GROM Support Forum, contacted their USA Customer Support directly to generate issue ticket. And got reply very quickly and further communication made. Here is the conclusion. If you have the European spec Audio Head Unit, you may have same...

Helping one owner who bought GROM BT3 recently but having problem. Probably very limited number of GROM BT3 users in Europe but hoping to get some feedback through here and at nsxcb.co.uk Then, planning to share this at the GROM Audio US Forum so that someone at GROM can look into this. Please...

If 91 and the CCU was never refurbished, no chance of surviving without the capacitor leakage so start from there. Not sure you are aware of this but it’s not the CCU that controls the A/C compressor CL. In fact, it’s the ECU. Here is how it works. 1. The CCU sends the A/C On ‘request’ to the...

Hope you checked the TSB and the amount on the oil tag. If went with 471-1424, it may only had 80cc as that was the original OEM spec. Later, Honda released TSB and increased it to 120 +/- 10cc.

The other way round please. Gold at the front, black at the rear. Kaz

@asylum What's the year model and country code of your NSX? KF, KG or something else? Kaz

If you manually activated the pump and the fluid level didn’t drop at all, you have punctured accumulator or pump issue. With the leaky solenoid issue A, B, C as above, if your pump/accumulator were both healthy, then you should see something at the reservoir (bubble or foam) or notice the...

Joe's userID is @nsxspdfreak. 'Mention' feature may not work (never worked for me so no notification received) so search the userID and send conversation. RHD model so different configuration from LHD but you'll get the idea. What year model? Heater core on early models is in brass. Later...

Not directly related to the OP but for the installation, addition to the CD port at the back of the OEM audio head unit, there are few options available. The CD changer cable is pre-installed at the factory all the way to the left forward section of the trunk/boot behind the carpet. If you...

@veilsidesfinest Original photo in Fukuoka, Japan. AT model. Side sill plate looked to be the ‘Custom Order Plan’ one. Doesn’t look like any custom configurations done for the interior so must be on the exterior. Wheel colour looked to be standard. Coupe model and the roof in black so the...