Coolant leak at throttle body? - Land Rover Forums : Land Rover and Range Rover Forum
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post #1 of 10 (permalink) Old 01-04-2014, 11:40 AM Thread Starter
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Coolant leak at throttle body?

I've got red buildup at the two black hoses just below the throttle body, and I'm noticing coolant around the air filter. The filter is pinkish, I haven't changed this yet so I'm not sure what color it's supposed to be.

2004 D2
126,000
No mods yet, just starting.
HD Front Driveshaft on order.


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2004 Disco II Trail Edition
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post #2 of 10 (permalink) Old 01-04-2014, 11:49 AM
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So, other then the pre-heater what else is leaking, is the filter wet, is your check engine light on?




Mike

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99 D2, 3" lift, CDL with Detroit,T.T. lockers, 4:11's,H.D. axles, custom ft/rear bumpers with sliders, a 9500 HSI Warn winch and 5 HID's.

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post #3 of 10 (permalink) Old 01-04-2014, 04:11 PM Thread Starter
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No CEL, only occasional 3 amigos. Filter is dry.


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Fred Meisenheimer
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post #4 of 10 (permalink) Old 01-04-2014, 04:14 PM
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So, do you know how to fix the leak?




Mike

Retired service manager, member of Solihull Society, SCLR, NCLR and the Santa Barbara 4Wheelers clubs.
99 D2, 3" lift, CDL with Detroit,T.T. lockers, 4:11's,H.D. axles, custom ft/rear bumpers with sliders, a 9500 HSI Warn winch and 5 HID's.

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post #5 of 10 (permalink) Old 01-04-2014, 04:53 PM
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Throttle Body Heater Plate Kit (Genuine Part # MGM000010) | Land Rover And Range Rover Fuel System Parts

Or

You can bypass it as some others have, I personally would just replace it.

2001 D2
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post #6 of 10 (permalink) Old 01-04-2014, 05:00 PM Thread Starter
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My first plan was to replace all my cooling hoses and go to 180 t/stat per the "Majors" list. Now I guess I'm replacing the two black hoses under throttle body. Haven't had a chance to review Rave yet, but plan to prior to disassembling anything. Since I just ordered the HD driveshaft from GBR, I need to wait a week or so before buying these parts. I was in the middle of sea foaming the D2. Ran a can in the fuel, 1/2 can in crank case, changed oil. Was going to run the last 1/2 through vacuum lines, and clean throttle body while at it. I'll inspect further for more coolant. Gonna get a new air filter too. Just needs to be done regardless.


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post #7 of 10 (permalink) Old 01-04-2014, 05:02 PM Thread Starter
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After writing my marathon post , I noticed Dane 's post . Thanks, looks easier than expected. I might can get started sooner.


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post #8 of 10 (permalink) Old 01-04-2014, 05:53 PM
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If you plan to clean the throttle body, just take it off and replace that heater plate while off. Its ALOT easier let me tell you haha. I replaced it while it was still on because I didn't want to get a new throttle body gasket, but seriously, its not worth it, I have small hands and it was still a bitch, I turned a 15minute job into an hours job.

Good luck with the fix.
Dane.

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post #9 of 10 (permalink) Old 06-21-2019, 08:29 AM
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Try this. Our newest product.
Discovery Range Rover Throttle Body Heater Plate Silicone Gasket
It works wonder.
Introductory special offer to LRO members (50%) - coupon code: LROSIL

Throttle Body Heater Silicone Gasket

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Last edited by bpUtah; 06-21-2019 at 09:37 AM.
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post #10 of 10 (permalink) Old 06-24-2019, 01:57 AM
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I was going to chime in and say just bypass the TBH but that gasket is at really great price.

*EDIT*
Hell... I went ahead and bought one. Cheers @bpUtah !

MIKE
- 2001 Discovery 2 SE (NAS LHD) “MYRTLE”, 110K miles, 4.0L V8, NGK Iridium IX plugs, PCV mod, 180* T-stat, Hayden fan clutch/Dorman fan, removed TBH, SAI modded K&N filter, Safari Gard steel guards, Warn XD9000i winch, KO2 265/75R16 on steel rims, EBC rotors/Akebono pads, +2” TF lift & LEDs
- UltraGauge Blue, Foxwell NT510, Nanocom D2 V8 & TD5


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