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Thread: Coolant question - yes I've searched already!

  1. 29th March 2013, 09:48 AM #1
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    Coolant question - yes I've searched already!

    This is driving me crazy. I did a coolant and hose change last week. No obvious sign of leaks or drop in coolant level. However, I still have a gurgling sound when I accelerate at low speeds - it's not a waterfall sound I had that to start with but after the first bleed/etc. it's more like a babbling brook!

    I've bleed the system several times with no air bubbles appearing. My aftermarket temperature sensor show same engine temp as before change and my low coolant alarm doesn't trigger.

    I've run the heater on full too and how lose of heat/etc. I'm at a lose and get quite frustrated with it!
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  2. 29th March 2013, 10:45 AM #2
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    It usually caused by air in the system, most likely in the heater core. I had this problem it my D1. I run a hose at low pressure into the heater core with the output pipe off. When it was a clean water flow I put the hoses back on. When filling up it helps to have the cars nose elevated and run it at a fast idle then bleed.

    I think it was Blacknight that has a procedure to fill it using a drink bottle into the expansion tank. This lets it find it's correct level.
    Cheers, David.
    My Land Rover has made me a better Mechanic........
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  3. 29th March 2013, 10:51 AM #3
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    I'm not sure where the link is, but if blacknight (Dave) doesn't jump in, I copied and saved his excellent coke bottle post/procedure. Too big to attach here, so PM me an email address and I'll forward it. cheers Gavin
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  4. 29th March 2013, 11:00 AM #4
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    Thanks for the tips. Will try out the coke bottle method!
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  5. 29th March 2013, 11:07 AM #5
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    Dave - have emailed copy of your coke bottle procedure to Jake - cheers Gavin
    D4 MY16 TDV6 - Cambo towing magic, Traxide Batteries, X Lifter, GAP ID Tool, Snorkel, Mitch Hitch, Clearview Mirrors, F&R Dashcams, CB
    RRC MY95 LSE Vogue Softdash "Bessie" with MY99 TD5 and 4HP24 transplants
    SADLY SOLD MY04 D2a TD5 auto and MY10 D4 2.7 both with lots of goodies
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  6. 29th March 2013, 11:24 AM #6
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    Thanks for this - makes sense for a complete fill, if I've just done a fill and mixed concentrate/distiller to correct concentration and would rather not do a complete flush again, would filling the coke bottle with 50/50 work if I went for a run with heater on, left it overnight then followed instructions?
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  7. 29th March 2013, 11:29 AM #7
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    Here is a copy of the procedure for anyone else interested.

    http://www.aulro.com/afvb/projects-t...stem-fill.html
    Cheers, David.
    My Land Rover has made me a better Mechanic........
    D2 TD5 Manual, CDL, Detroit Rear, Truetac Front, 2" OME lift, 32" MT Tyres, ARB Bull Bar, Winch, TJM Roof Rack, Driving Lights, Dual Batteries, ARB Side Steps, Rear Draws, Uhf.
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